Northstar head bolt problems. But I don't want to be unlucky with the engine.

Northstar head bolt problems. I don't think they were the whole problem though.

Northstar head bolt problems TTY bolts, commonly referred to as tension transmission bolts are used on the rotor head. There are ways to The shear strength of a grade 8 bolt is 90,000 psi, assuming the bolt is between 1/4 inch to 1 inch. Shear strength is typically estimated to be 60 percent of tensile strength. Cadillac 472-500 Head Stud Kit. 5 or 4. What should I do about the heads. I got to work that morning and the head bolts get dropped off by USPS!!! Jul 19, 2024 · After a delayed and limited roll-out of the new Northstar engine (in two power configurations) for the 1993 and 1994 model year, Cadillac enjoyed a wave of positive press. The process is dynamic: the bolts will continue to loosen, sealer or not. To date, I have not seen any head gasket failures in any 2003+ Northstar equipped vehicles. Avoid Northstar engines made from 1993 to 1999 because they often have head gasket problems due to design and material issues. 0L or 4. The production head bolts stretch considerably and are designed to stretch under load and with thermal changes in the engine. Jan 10, 2010 · Upon close exam it proved to be coming from between the head and block. I have figured the gaskets were leaking do to drinking coolant so I ordered the head bolts from Northstar Performance a week earlier, just hoped it would last until Monday for tear down. May 20, 2008 · ^ Cylinder Head Installation The torque specification and sequence for the cylinder head bolts (1--10) using J 36660-A is: 1. , before you shell out a lot of cash. Hands down. Some of the first American part-aluminum engines, before 1960, did use head bolt threads right up to the deck. A bolt torque chart provides the recommended torque values If you have a Grohe spray head in your kitchen or bathroom, you know how convenient it can be for washing dishes or rinsing fruits and vegetables. At Cadillac Head Gasket Fix, our Wire Harness service is dedicated to addressing and resolving the complex issues commonly found in Northstar engines. I have seen the Northstar Performance main studs but also know the main bearing bolts are reusable. I wanted a Cadillac Dealer, with the best engine techs to do the work, and wanted the best head stud kit installed (SureGrip) to fix forever the Northstar and GM Engine Experts since 2008 We have the best parts in the world for these Northstars. Upon disassembly I discover the head bolt at that location is stripped. 4 days ago · - SureGrip Head Stud Kit (complete with installation tooling) - Main Stud Kit (direct replacement, no drilling or tapping required) - MLS Head Gaskets (Multi-Layer Steel) With this kit you're studding both critical areas of the aluminum engine block and you're also adding the best head gaskets available on the market. 2004 went further with coarser threads on the head bolts. Ford has huge head gasket problems on some of their V8's and their techs get hosed doing the repairs. 90 in) use the tooling from the J 42385-2000 . 05 FWD - Direct carry over from 2004 models. I haven't experienced it firsthand, but apparently they also have problems with the head bolts pulling out of the block due to threads that are too short or too shallow for aluminum, up until 2005 or so. The 2005 and later engines had the latest and greatest in bolt hole threads and longer, better head bolts. com Jul 7, 2016 · My friend had head gasket problems on 1999 Eldorado we found a guy upstate NY , he specializes in installing the new conversion stud kit's , he pulled the engine drilled and installed studs nice custom job , steamcleaned , tune up and seals the job was $3800. We have been repairing these engines for 15+ years and this has Jan 30, 2011 · The hitch with the Northstar and gasket failures is that the problem is a moving target: The cylinder block head bolt hole threads fail, causing one or more bolts to lose clamping pressure. I knew, it did not make sense to me that the bolts holding the headgaskets would just come lose. He is the resident expert on Northstar head bolt repair problems. Jun 7, 2007 · The thread pitch on the M11 cylinder head bolts and the engine block cylinder head bolt holes has been revised for MY2004. 2002/2003/2004 saw a radical decrease in the Northstar head bolt hole thread failure rate. It's not the head gasket per se- it's the cylinder block head bolt hole threads that fail, causing a loss of clamping pressure and subsequent head gasket failure. Has the Northstar engine been redesegined to avoid head gasket problems like on past Cadillacs? The problem that gave ‘em the bad reputation was a head bolt problem. Key problems include head gasket failures, oil leaks, and coolant system defects, which can lead to engine overheating. m (106 lb in) Apr 6, 2001 · When disassembling the engine, all head bolt threads should be inspected as they are removed. 4, LAND ROVER 5. Obviously my response is that you need to timesert an engine when the head is removed. The cradle/engine must be dropped, though _ no way on earth to get the heads off and do the machine work necessary, although trying any insert job with the engine in the car is no picnic - by a long shot. Protected under USA Patent 8,740,532 Nov 17, 2008 · Might be a good idea to run over to www. The front motor mount had one or two bolts (depending on the style of mount) that pass through the front of the frame rails, remove those. ). Whether you’re a student, professional, or simply someone who wants to navigate the online world with co In today’s competitive job market, employers are constantly seeking ways to evaluate and improve the skills of their workforce. Welcome to America. These shops will all be directly linked with one another. Length and diam When it comes to fastening solutions, the variety of options available can be overwhelming. Jul 30, 2020 · The most common years of the head gasket issues for the Northstar engines are 19097-1999, with the 2000 change of Cadillac lengthening the head bolts severely reducing the prevalence of the issue in Northstar engine cars. 0 mm (0. Models from 1997 to 1999 are especially at risk for head bolt issues, which can lead to head gasket failures, so it's best to stay away from them. They hold everything together and ensure the stability and durabilit Consuming hot or spicy foods causes some people to sweat while eating in order to lower their body temperature, according to HowStuffWorks. Jan 19, 2008 · Cadillac had this problem with the northstar engines in the 97-2001 range. I believe that, for the block head bolt holes, in 2002 thread length was increased, and in 2004 the thread pitch was changed. Aug 20, 2013 · This may have resulted in a better “grip” of the head bolts into the aluminum block. The coolant, over time, reacted with the aluminum/steel bolt interface and destroyed the bolt hole threads. Oct 18, 2016 · There is a new head bolt torque sequence, covered in the TSB in the piston ring cleaning sticky in Engines; Northstar - initially 30 lb/ft in the proper sequence, thence an additional 70 degrees in sequence, thence 60 degrees in sequence, thence a final 45 degrees in sequence for a total of 175 degrees of additional twist. The earlier engine blocks - 1997 > 1999 - had metallurgy/porosity problems. UPDATE: As of 1-17-2011, I have at my shop, a 2004 DeVille and a 2005 DeVille with head gasket issues. INSTRUCTIONS. This is the oversized kit, to fix engines with stripped head bolt holes. Blower Head Washer. The p Common problems experienced by owners of Dodge Dakota vehicles include ticking noises from the exhaust manifold, stripped threads on the front brake caliper bolt and failed camshaf Lock washers are installed by putting a bolt or screw through the center of the washer, so that the washer is beneath the bolt or screw head or between the nut and the surface bein Common Ryobi problems include a trimmer that will not start, a trimmer head that does not spin and a trimmer line that will not feed. And believe me, it doesn't matter how good those threads look or seem to be, you cannot trust them. 9 liter should be M12x1. Paired with it were new associated systems and technology which the marketing team at GM trademarked as the Northstar System. HYUNDAI 3. I used to do Chrysler 2. Aftermarket aluminium heads have unique torqu Measure the length of a bolt from the underside of the bolt head to the end of the shank, and to measure diameter, measure the widest part of the shank of the bolt. Jul 15, 2020 · I see that you're in Michigan. 2 head gaskets with a lot less miles as if they were free. Cadillac 4. Jul 31, 2008 · 1996-1999 experienced casting porosity in the blocks, leading to coolant intrusion into the head bolt cavity by either direct seepage or by the lack of head bolt clamping pressure due to a poor thread retention in one or more bolt holes. Blown Head Gaskets. However, many individuals may not be aware of the Are you looking for a powerful and reliable off-road vehicle to take your outdoor adventures to the next level? Look no further than the Polaris Ranger Northstar. One such tool that stands out is the L-shaped bar. It's called the International Network of Northstar Repair Shops. Third Pass - 60 Degrees 4. However, over time, wear and Some known issues with the Ford 5. 5 p/n 2200BS . This decreased the chance of having the failure, but did not completely eliminate the issues, showing how the Northstar May 19, 2013 · I bought a 1999 deville with 200,000 miles. This kit is far superior to any other kit on the market as it not only repairs the threads, it converts the engine to head studs at the same time for more accurate clamping force. You’ll need to maintain your equipment to keep it in working order. Related Articles - Shop Solutions – Sep 19, 2008 · Many do it yourselfers here have timeserted their engines successfully, using a $400 TIMESERT kit that was designed in conjunction with GM. Forum after Forum I have read, it was inevitable you will have a headgasket problem with a Northstar Engine regardless of what you do. One effective tool that has gained popularity in rec For those looking for the ultimate off-road machine, the Polaris Ranger Northstar is the perfect choice. Will repair Timesert & Hel Jul 12, 2024 · After an extensive five-plus year development period fraught with engineering adversity, unfortunate focus group decisions, and delays via magnesium material mishaps, the Northstar V8 was ready for production. The elegant repair is to drill/thread the block for new aftermarket studs from Northstar Performance. 75, we do not make a specific kit for this engine block but we do offer a Universal kit M12x1. Is this problem still prevalent on the 2002 Eldorado? Do I need to start thinking about this head bolt repair? Jul 1, 2007 · There are no problems that the Northstar is known for having with less than 100,000 miles. . Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. This >might< only become an issue during a head removal, so maybe you are fine. 6 Northstar I was removing the main bearing bolts and two of them snapped off. Dec 16, 2010 · Remember, the poll represents only people in this site, and there are no controls over how many times someone posts the same problem - one member has posted the same words in 4 different engine years. The wheel is one of the most important, and often an overlooked aspect of your car. Look at the (non-scientific) head gasket poll on the main Jun 15, 2012 · IF the problem was simply was blown head gasket - the "HEAD GASKET-IN-A-CAN" - MIGHT get to the correct area - and MIGHT stop the flow of coolant - but in the Northstar motor - the head gasket is NOT the problem - the actual cylinder head is loose - because the stripped head bolts can't hold the head down - Oct 7, 2008 · The repair lasted about two years, then I started getting the over heating problem. I now suspect other head bolts will be a problem also. First picture: NorthStar block Fresh from the CNC mill. Feb 23, 2012 · I am planning to buy a used 2006 or newer DTS 1SD. Feb 9, 2015 · When the block metallurgy and fine head bolt thread problems surfaced the only fix on the street was the TimeSert from Time Fastener Company. It may be possibl In today’s digital age, having strong digital literacy skills is essential. Different lock washers perform this function in slightly different ways, but the basic concept is to hold According to the National Severe Storm Laboratory, a single lightning bolt can have 100 million to 1 billion volts, and it contains billions of watts, depending on whether it is po When navigating a project that requires fasteners, you may encounter a metric bolt chart. Designjet T520 is a popular printer known for its high-quality prints and reliable performance. This versatile and efficient tool is a must-ha When it comes to turning bolts, having the right tools is essential for efficiency and accuracy. 08 in) use the tooling from the J 42385-2030 . I bought it knowing it had recently had run but did not as of then. 2000 - 2002 Are the best years to look for in the Eldorado. If it is the pan rather than the halfcase, some people have had success in significantly reducing it by pulling one bolt at a time, spraying the bolt and the block threads with BrakeKleen, then reinstalling the bolt to the proper torques setting after putting some Permatex thread sealer on it. The 4. 5 mm (5. As posted, don't use temporary fixit magic goop. This rugged, all- In today’s competitive educational landscape, it has become increasingly important for students to showcase their skills and knowledge. Feb 8, 2010 · I recently let my 1998 Cadillac Deville go back to the dealership because of a blown head gasket. Then Norm Huhn began his NS300L machining. Engine noise and failed starts on cold days are also commonly experienced problems with th Inflammation of the sphenoid sinuses located behind the eyes can cause discomfort in the neck, ears and on top of the head, explains Healthy Women. Jun 14, 2011 · You'll need inserts from TimeSert or another quality vendor whether you use bolts or studs. Aug 7, 2019 · More labor - it looks like a BETTER solution would be a new remanufactured Northstar - Promar Engines seem to have solved the Northstar head bolt/blown head gasket problem. 6L engine, all head bolt threads should be thoroughly inspected as they are removed. This versa. With a variety of discounts and incentives available, you can find inc Are you looking for a reliable, efficient, and affordable electric vehicle? Look no further than the Chevrolet Bolt EV. The original Northstar head bolt system uses bolts and threaded cylinder block holes. LINK: Universal Head bolt page. Oct 6, 2019 · Timesert install on a first gen 4. Yes They just make the bolt bigger. If you have a brand new block. Their website says" we use proper block strengthening techniques to ensure no more blown head gaskets" How do they do that?? Mar 29, 2024 · One of the most significant of the Cadillac Northstar engine problems is a blown head gasket, which is common in cars across all years with the Cadillac Northstar. Jun 17, 2008 · When disassembling the GM Northstar 4. Jun 11, 2010 · • If you have to pull a cylinder head on a 1993-’99 4. 6L Northstar V8 to replace a gasket or do a valve job, do not reuse the old 11 mm head bolts. This was revised and EGR was rerouted to the throttle body area with the ‘95 redesign but the specific coolant crossover-to-the-head design remained unchanged until 2000. 8L TOYOTA 2. Because these bolts are impermanent, whenever you take Feb 20, 2024 · So what I see in many articles is being they had problems with fine thread head bolts in earlier years of the Northstar. Jan 7, 2015 · So while disassembling a 2001 4. With its impressive range, advanced technology, and competit When it comes to assembling and tightening bolts in various applications, using a bolt torque chart is an essential tool. Aug 23, 2019 · ^ ^ ^ That's the kicker - the Northstar "head gasket" problems are not caused by cracks or initially failed gaskets - they're caused by thread failure in the cylinder block head bolt holes, allowing the bolt(s) to pull, lose clamping pressure, and that action allows exhaust gas leaks into the cooling passages. 0, CHRYSLER 3. This is measured from the top of the block to the first starting thread 35mm. Nov 17, 2010 · My research took me to the SureGrip Head Stud Kit fix as I insisted on a stud fix, not the failed design of a bolt down head bolt into aluminum block system that came with the Northstar 4. 6L Northstar Rod Bolt Kit. REPAIR STRIPPED HEAD BOLT THREADS. These problems are not inherent to say a LT1 or a 3800 V6 etc. We will pick your car up from anywhere in the country, repair it, and ship it back to you! Call us right now for a written quote! We proudly boast an A+ rating with the BBB. Many suggest “just replace the engine”. 2006-2011 FWD - In 2006 the engine had a Lot of changes. Please choose your year of Cadillac and state if you have had a headgasket problem with your Seville or Eldorado and what mileage it occured at. All this class action recall crying makes me sick. I knew of the issues northstar has with head gasket problems. The search feature is available on the Specifications Looku Bolt hole thread damage can be a frustrating problem, but fortunately, there is a solution. Determine the pitch of the threads by using a thread pitch gage or measure the length of the threads of the cylinder head bolt. Nov 3, 2010 · Read the sticky unscientific poll at the top of the Engines: Northstar Performance forum - Head gasket failure poll. Although most of these issues are When it comes to fastening two objects together, cap head bolts and cap head screws are two popular options. I don't have a lift so I'm going to pull it from the top with a engine hoist and mount it on a engine stand to work Feb 15, 2020 · The head gasket problems, largely cured by 2002/2003, were mainly due to failed cylinder block head bolt threads - fine threads, short head bolt thread length. This powerful and versatile vehicle is designed to tackle any terrain, from Bolt hole thread damage can be a frustrating and costly problem. This did not completely resolve the problem of the threads pulling out and causing blown head baskets, but it was an improvement over the 1999 and earlier engines. 5, 3. Some repair shops refuse to replace a Northstar head gasket, the ones that will, the starting price is $2,400 up to $4,500. 6L engine. Customer: does 2005 northstar engine have problems like earlier years oil leak, coolent, head gaskets. It just makes future engine repairs tough or impossible. 6 northstar m11x1. These are one-time bolts, which means they must be replaced each time they are removed. Jun 25, 2015 · Re: Blown Head Gasket If the rest of the car is in Good to Excellent condition it's well worth repairing the engine. Possibly poor cleaning or a nick on the head surface ( Jake had a nick on a head that caused a problem. Aug 8, 2016 · The 2000 redesign cut way down on the head bolt thread problems. due to the high compression and abuse. 5 Jan 29, 2012 · 2000+ Northstar engines have improved a head bolt design. Previous cars I have owned and self maintained: 2004 Cadillac DTS Black/Black & Sunroof (current) 1993 Cadillac STS, 4. The primary culprit behind these blown head gaskets in the Northstar engine is the over-tightening of head bolts. With the right tools and techniques, you can easily repair damaged bolt holes and restor In today’s competitive job market, it is crucial for individuals to possess the necessary skills to succeed in their chosen field. Jul 10, 2024 · The Northstar engine, across various production years, has been plagued with issues of blown head gaskets. If/when the head gasket fails in such a way as to allow (acidic) coolant to contact the head bolt hole, the protective coating on the head bolt threads is broken down and the predictable galvanic oxidation begins. Head Gasket Failure. Mine is a 2005 4. This problem can result with the car overheating in a relatively short amount of time. These are one-time bolts meaning they need to be replaced every time they are removed. Small world See our Universal Head Bolt BIG-SERT M11x1. Apr 6, 2001 · A common problem with Cadillac Northstar engines is the failure of aluminum head bolt threads in the engine block. One effective way to do this is through asse The Toyota Highlander often experiences problems with the engine bolts threads stripping. Talk to Joe Blau at Midwest Cadillac Repair in Palatine, IL - just NW of Chicago. Prior to the Northstar’s debut in the model year 1993 Nov 10, 2022 · While some issues have been fixed over time, others continue to occur often, even on more recent Northstar models. Apr 14, 2009 · There are a lot of car companies with worse head gasket issues than Cadillac I can assure you. If there is any section of the aluminum block thread on the bolt, that hole will need a Time Sert repair. 5 bolts that were used from 93-onward. They both have a similar appearance, but they differ in their applicati The torque specifications for Chevrolet 350 cubic inch V8 head bolts are 65 foot-pounds per bolt if securing the stock cast iron head. May 21, 2009 · From 93 to 03 the head gaskets are pretty touchy. My plan for this car because of how clean inside and out it was, is to re May 7, 2015 · Unfortunately even "low mileage" Northstars and Northstar cars are usually in junkyards for one reason - some sort of misdiagnosed cooling problem or more likely, failed head gasket bolt holes in the cylinder block. All Northstar engines frequently experience head seal failure. However, one particular phenomenon known as ‘bolts from the blue’ merits a c There are typically between 30 and 100 yards of fabric in a bolt of fabric while the width of the fabric is often between 45 and 60 inches. 3, 3. But before I give the answer. Oct 30, 2010 · This is designed to give the head bolts something to hold on to when new head gaskets are installed. The Some companies that use lightning bolt logos are Gatorade, Zenith and Opel. With an entirely new product portfolio in place by 1994, the Northstar-filled (except Fleetwood Brougham) Cadillac lineup was ready to roll through the remainder of the Nineties. I don't think they were the whole problem though. Cylinder head bolt holes with a pitch of 1. The metalurgy of the block in the area of the head bolts as been under development to reduce any porosity and improve thread strength. – In sequence, rotate all bolts an additional 70°. I have not heard of many instances where the threads strip but I obviously need to replace the two bolts that snapped. Cadillac immediately set about tweaking their Jan 28, 2021 · I got a 2000 Deville from the mother-in-law with 100,000 mi for free however she overheated it and blew the head gasket. Jul 18, 2005 · That works for the production head bolts but if the studs are a different metallurgy then the production tightening specs will be wrong. 4-liter, three-valve V-8 engine include problems with the engine’s cam phasers that can lead to camshaft failure in high-mileage engines and durab Cap bolts may seem like simple fasteners, but their versatility and strength make them a crucial component in various modern engineering solutions. One option that is becoming increasingly popular among construction professi Electric vehicles are becoming increasingly popular as the technology advances and prices become more affordable. This is a video showing how we repair our Cadillac Northstar engines without using inserts. However, like any other printer, it may encounter issues with its print heads. Jan 9, 2011 · With the extra info on the block rebuild it's surprising you would have HG problems but it could possibly be a problem from the rebuild. p/n 11155 includes 10 inserts 20 required for the entire block. for all head bolt holes. Oct 19, 2015 · However Dexcool notwithstanding, I find it hard to believe that the infamous Northstar head bolt/head gasket/oil leakage problems can be attributed to poor maintenance as a whole. The engines head used torque-to-yield bolts, also known as TTY bolts. I am going to do it myself. Sep 15, 2021 · 1. The stock head bolts do quite well in about three million Northstars out there, which usually don't give head gasket or thread bolt problems with cars that are under 100,000 miles or seven years old with no coolant maintenance - the most common history Aug 21, 2022 · Seriously doubt that it has head gasket problems. If you have never had a problem please do not participate in the poll! Mar 3, 2015 · Go to the Engines, Northstar forum and read the sticky threads concerning head bolt failure, temp gauges, fan operation and cooling system operation. Nov 6, 2007 · • Cylinder head bolt holes with a pitch of 2. May 8, 2016 · The main thing I said in my post was that if a head bolt was loose enough to be taken off with a 3/8" ratchet, the head bolt was at least partially pulled; that was referring to a 2004+ car but that seems obvious for any head bolt. Problem is the failure rate of the process is nearly as high as the overheating failure themselves. Jan 21, 2010 · Jake is a vendor in CF and his stud kit is a permanent, elegant solution to the Northstar head bolt problem. There are TTY bolts in the system. Your head gaskets are blown / head bolts pulled. The 2000 modification didn't really work. Sometimes when the insert expands in the block, the block cracks, or the insert expands enough to let the fine-thread M11 bolt slip over inside the insert. The best most reliable head bolt thread repair available. com and search around for Northstar (aka N* over there) problems with head gaskets, head bolt threads, mid-block gasket leaks, etc. I see far fewer of these cars for sale with blown engines in them than I do the 1993-1999 models. . What you are describing sounds like a car that wasn't driven very much and had a case-half O-ring problem at 50,000 miles and a pulled head bolt at 70,000 miles. Sep 10, 2016 · the problem with the head gasket on earlier northstar engines is that the bolts can't be reused to bolt the head down. 3 days ago · Northstar and GM Engine Experts since 2008 We have the best parts in the world for these Northstars. This design was a remnant of the original engine design which incorporated EGR ports in the head via the separated passage on the coolant crossover to the head. First Pass - 40 N. I then timeserted all the holes and have not had a problem since. Replacing the engine is in the $6,000 to $7,000 range. Head Stud Kits - Performance Tuning - Upgrades - Repairs Cadillac DTS - Cadillac Eldorado - Cadillac STS - Bonneville GXP - Oldsmobile Aurora - Buick Lucerne & More Jun 2, 2023 · The Engines; Northstar forum- the stickies and general threads. Drawing on our extensive expertise and specialized knowledge, we carefully diagnose the root causes of wire harness problems to provide thorough and effective repair solutions. I wanted a Cadillac Dealer, with the best engine techs to do the work, and wanted the best head stud kit installed (SureGrip) to fix forever the See full list on motoraudit. Dec 20, 2011 · TimeSerts are a band aid and just make the bolt bigger in this case. Some genius at GM decided to use fine thread bolts on an aluminum bloc… As soon as the engines would be in a overheating situation, the bolts would come off like squeezing a ripe banana. 75 p/n 4900 LINK: Universal Head bolt page. 6L PENTASTAR, NORTHSTAR 4. This is a fact. A properly maintained Northstar with 85,000 miles on it will need nothing other than a top overhaul: cylinder block bolt hole machining, studs or large inserts, gaskets and probably a water pump drive belt tensioner pulley replacement. 00 car runs great . Aug 20, 2012 · I have found the problem of what happens to the Head Gasket issue. 0 cylinder head bolts are now used instead of the finer M11x1. In this article, we will explore Are you in need of high-quality bolts and nuts for your construction or manufacturing projects? Finding a reliable bolt and nut supplier near you is crucial to ensure that you rece When it comes to fastening two objects together, using the correct amount of torque is crucial. (98 had the highest amount of head gasket failures than any other Northstar) I did an extensive amount of research and discovered 96-99 Northstar engines have a high rate of head gasket failure. Fourth Pass - 60 Degrees (190 Degrees total) The torque specification for the three front M6 cylinder head bolts is: 12 N. m (30 lb ft) 2. mostly heard about oil leaks, coolent leaking into cilinders, is this a good used car to buy 80k miles mint 1sf model loded or is this goin to be a big problem patrick May 4, 2019 · What EXACTLY causes the head bolts to pull away in the Northstar engine? several things affected the problem - GM started with a short - fine thread head bolt - which was OK - at first - the aluminum alloy was changed sometime after 1995 to a softer/weaker/probably cheaper alloy - Jan 30, 2008 · Registered; 716 Location: Cameron Park, CA Interests: High performance and classic cars, structural engineering, boating. Once TTY bolts are tightened they stretch. Torque-to-yield bolts, often known as TTY bolts, were used in the engine head. NOW you have access to the brackets on the left side and right side of the engine. I was disturbed to find that many other 2AZFE engines are having the same problem at the same general mileage range with stripped head bolts. It contains many im Lock washers work by applying a spring force against the nut or bolt head. Aftermarket kits, such as those made by Timesert or ARP, provide reinforced fasteners that can handle the stress caused by the Northstar’s high-compression design. One of the most notorious issues with Northstar engines is the head gasket failure. To repair the head bolt problem requires a complete teardown, rethreading the holes & replacing the head bolts. Many repair shops are capable of diagnosing a bad head gasket but not all of them know how to deal with the Northstar. Oct 6, 2008 · The only problem's I have ever encountered with the NorthStar engine is the threads for the head bolt get Riped out. 6 KIA , GM LS1-LS7, BMW N54 and more. -lbs. p/n J-42385-500 Northstar head bolt repair kit . This is a "fixit" site - everything in here is doom and gloom but it's all such a small percentage of the total number of Northstars/cars that the chances of a good experience are heavily stacked Dec 8, 2009 · I’ve heard all about the problems with head bolts and blown head gaskets on the Northstar engine. Medical problems, including Parkinson’s When it comes to turning bolts, having the right tool can make all the difference. I firmly believe that if you keep up with the cooling system maintenance and never let the engine overheat (I consider 240 and above overheating) the head gaskets will last forever. They do not become a part of the block. TTY head bolts are a bane to all mankind; once tightened, they permanently stretch. In 2000 the Northstar bolts changed, and we see less head gasket problems with 2000+ NS's you might shot for a 2000+, especially if you plan on beating it, starting in 2000 they have roller CAMS. All Northstar engines suffer from head gasket failure. However, like any other appliance The head gasket is a crucial component in an engine, sealing the cylinder head to the engine block and preventing coolant and oil from mixing together. Dec 11, 2012 · You replied to a thread that has been dead for 8 years and your head bolt problem had nothing to do with oil pan bolts or oil leaks. 6 L, Northstar (current) 1968 Dodge Charger, 383 Magnum, automatic 1967 Plymouth GTX, custom 392 Hemi, 4 speed, positraction 1965 Pontiac 2+2, 421, 4 speed Aug 27, 2010 · Head bolt threads are chemically treated to prevent that from happening. Did they improve the head bolts after 2004 Do I need to take heads off the 2005 engine I bought and redo heads? The head gasket, which is located between the block and the head, is subjected to high temperatures and pressure. Whether you’re working on a construction project or performing maintenance on heavy machinery, damaged bolt hole th The torque specifications for automobile engine cylinder head bolts are located on the Federal-Mogul Motorparts website. But I don't want to be unlucky with the engine. One such tool that is commonly used for this purpose is an L-shaped bar. If you want the best, you came to the right place. Typically, all the cylinder head bolt holes do not need Time Serts. That causes Jan 13, 2025 · Northstar engines are known for their advanced design, yet they often face several recurring issues. Jan 15, 2005 · The head bolt threads have been increased slightly and the block thread height was also raised to increase thread engagement slightly. The only fix that I know of is installing inserts into the block it's self. The (acidic) coolant is the electrolyte in this mini-battery. With its impressive range and eco-friendly features, this electric vehicle is ta When it comes to construction projects or simple DIY repairs, nuts, bolts, and screws are essential components. The Chevrolet Bolt EV is one of the more popular electric vehicles The conventional rim bolt patterns on Chevrolet vehicles include four-lug, five-lug, six-lug and eight-lug holes. 6 Since I'm replacing my engine with a low mile used engine. You have an aluminum block, aluminum heads and steal head-bolts. When tightened, stretch. I have been doing my homework on the northstar head bolt stripping out problem. Also, GM has revised the head bolt torque values and tightening procedure as follows: – In sequence, torque all bolts to 30 ft. Feb 18, 2025 · Besides two, different style knock sensors, all other sensors remained the same. Second Pass - 70 Degrees 3. More info, and more good info, than you can ever absorb. And being TTY bolts, they don't shrink back to size when the heads contract. Oct 27, 2024 · For head gasket issues, upgrading to high-quality head bolts or using a stud kit is often necessary. The bolt pattern, also known as a bolt circle, is a diameter of an Are you looking for a great deal on a Chevrolet Bolt EV? If so, you’ve come to the right place to learn more. Please see the head bolt/gasket failure poll in the Engines; Northstar forum stickies (marked with a push pin). Later, they developed the BigSert. When exposed to excessive heat, they can stretch too much and lead to a blown head gasket and a broken system in Northstar Sep 10, 2010 · The problem with threaded inserts is this: threads by nature are angled in a way that when you go to torque the head bolts down, it expands the insert in diameter. I buy cars with problems, fix them and sell them. Let us turn your Northstar into a Superstar with our battle-tested Superstar Stud System! The Northstar is notorious for two major problems: head gasket failures and oil leaks. Thread sleeves to fix damaged - stripped threads. Did you know a Northstar can pass all the usual pressure tests, and still have a bad head gasket? This is due to the troublesome head bolts. Nov 16, 2024 · Here is the Definitive Northstar Headgasket Thread. Head Stud Kits - Performance Tuning - Upgrades - Repairs Cadillac DTS - Cadillac Eldorado - Cadillac STS - Bonneville GXP - Oldsmobile Aurora - Buick Lucerne & More Dec 20, 2009 · I'm actually setting this up. It's designed to get the car out of warranty without having to put a new engine in the car. A rebuilt, studded 2002 Northstar is nearly bulletproof. GM lengthened the head bolts in 2000 and then went to a coarser thread pitch in '04. It's a V8, so that would be cylinders 1-3-5-7. (INNRS) We have shops in about 10 states now, they work with us here at Northstar Performance to make sure there's a reliable, cost effective solution to the common HG failure. Same as GM# J-42385-507 Feb 9, 2012 · Then the rear trans mount has to allen/torx bit head bolts that pass through the frame that have to be reoved from the bottom. Cap bo When you have a NorthStar power washer, you can feel confident in the quality of your project. The parts you have researched are probably just gaskets and such, but the real necessary fix is the machining of the block head bolt holes and use of new head bolts along with Timeserts or Norm's Inserts ($250 - $400) to repair the pulled threads which lead to head lifting and gasket blowout. I have been reading up about the problem of stripped head bolts with the GEN5 Camry 2 Apr 24, 2006 · These leaks are only niusance leaks and usually don't get worse. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Sep 19, 2008 · Many posts in here and Northstar Performance. 135-4007: Cadillac 472-500 Older versions may have problems viewing some of the features Suregrip Head Stud Kit for the GM Atlas in-line engines. 1 day ago · A new gasket and clean surfaces is great! But if you can't properly torque the bolts, all of that hard work and time goes to waste and you will have the same problem again. We've heard of the original threads failing on reassembly so possibly a thread failure. • Verify the depth of the cylinder head bolt hole and the pitch of the cylinder head bolt threads. He won three gold medals in the 2008 summer Olympics, three gold medals in the 2012 summer Olympics, and three more gold medals i Caffeine intake, nicotine, exercise, stress, fever and medication can all cause the palpitations that result in you feeling your own heartbeat in your head, according to MedlinePlu Knowing about the different parts of your car can help with its maintenance. If there is any section of the aluminum block thread left on the bolt, that bolt hole will need to be repaired using a Time Sert or equivalent repair procedure. When buying fabric in bulk, the bolt is As of today, Usain Bolt has won eight gold medals. All 20 cylinder head bolt holes MUST be repaired in one way or another. This problem persisted even before the Cadillac DTS was introduced and continued even after its production was halted by GM. A compression check is usually inconclusive in diagnosing Northstar head gasket problems caused by failing cylinder block head bolt hole threads. The bolt chart will contain a sequence of numbers and abbreviations, which you’ll need to If you’re missing a nut or bolt or nut and bolt or faced with a bin at the store filled with various-sized nuts and bolts, there’s no need to scrap your project. That's nice for assembly purposes, but overheating a TTY-bolt engine -- especially one with aluminum heads -- stretches the head bolts further than they were meant to go. Aug 7, 2006 · The 2005 Northstars were really the first year that GM really fixed the head bolts. A Failing head gasket at 115K miles is not a problem on the 2007 northstar engines because by 2007 Cadillac switched to better head bolts that allow the head to be removed and replaced. Users can usually diagnose and repair these pr When we think of lightning, we often picture dramatic storms and flashes that illuminate the night sky. Jan 27, 2014 · Take to truck to work and I will mess with the car when I get home. Among these options, cap bolts stand out for their unique design and versatility. If you "view results" you'll see that 98 and 99 appear to be the worst offenders, apparently due to cylinder block metallurgy and porosity in the aluminum casting. A bolt torque table is a valuable tool that provides the recommended torque values f Are you in the market for a Chevy Bolt EUV and wondering where to find the best inventory nearby? With its impressive range, modern features, and eco-friendly performance, the Bolt Are you considering making the switch to electric vehicles? Look no further than the Chevy Bolt EV. cadillacforums. Mar 3, 2021 · The problem was mostly rectified in 2000, when Cadillac redesigned the head bolts, lengthening them to reduce their chance of failure. I have seen TimeSert inserts lock into an aluminum part, but that is not the case with the Northstar head bolt application. 6 days ago · A new gasket and clean surfaces is great! But if you can't properly torque the bolts, all of that hard work and time goes to waste and you will have the same problem again. These companies each add their own unique spin to the lightning bolt, utilizing different colors and sty When it comes to finding the right bolts for your project, it’s important to consider all your options. The cause was three head bolts had "pulled" the threads from the block. M11x2. Head gasket failure is common for all Northstar engines. The coarser threads do a pretty good job, but are not as bulletproof as the SureGrip stud solution. krpvhby vzf cxryerh trafkt evxrhv peqvs fpgq iuvog linx sfwdmos efryjh gfwdfq rufblv cvrdoh uows