Cadillac northstar engine problems. also from time to time we have seen a .
Cadillac northstar engine problems. We wouldn’t recommend that here at RB Auto Service.
Cadillac northstar engine problems The Cadillac Northstar 4. parked and driving. Leakage and broken seals. Your site should be awesome when it gets up and running, much easier to navigate than the forum, but hey, gotta get the word out about good Northstar mechanics in as many places Feb 23, 2018 · Just recently purchased my 2008 Cadillac STS with Northstar V8 I'm currently at 83,000 miles and was wondering what type of preventive maintenance I can do to keep this car running good other than oil changes and doing the transmission fluid and filter at a hundred thousand miles and the same thing with the spark plugs. how many different ones is it,and what is the best engine to start whith. And with the ‘Northstar Condition’ affecting Feb 17, 2014 · The 04 Cadillac SRX, XLR 4. 7L northstar engines. Find out the main issues, such as low oil pressure, carbon buildup, head gasket failure, and how to fix them. Nov 19, 2017 · in addition to the glass issue, the same problems exist for the headlamps and the tail lamps. I am in the camp that would rather repair the Northstar head bolt thread failure problem correctly than stick BandAids on it. There getting pretty cheap now to. . Mar 19, 2014 · Promar Precision Engines have been pioneers in remanufacturing the 4. Jun 25, 2023 · Engine and Performance Issues. 6L Engines. line on idles down to 42psi key off drops off to35psi. Aug 18, 2020 · 1993 Allante problems. The stalling and stumbling had to continue for a while longer before the problem became frequent enough to diagnose. Check for coolant flow at the Purge line,this is a common problem on the Northstar. Aug 5, 2007 · Someone who works on Northstar engines said the overheating problem on my 1994 Cadillac STS is due to one of 3 problems – a bad water pump, bad head gaskets, or a bum thermostat. I own a 2006 Buick Lucerne with the 4. 2006 Cadillac DTS (Page 1 of 2). You have to keep in mind that a vast majority of people come to the forums to complain or seek help for a problem. in Cadillac ETC 4,6l 1993. I am looking at a 1996 Cadillac Deville, but I hear the Northstar engines have lots of problems what is your view? 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. The Northstar has been used in several cars in the GM lineup, including the Cadillac Seville, Buick Lucerne, Pontiac Bonneville and Cadillac Eldorado. Introduced in 1993 in the Cadillac Allante, Eldorado and Seville STS, the 4. Northstar series. Head gasket issues yes, but that was resolved for the 2003 model years and above. Dec 3, 2010 · I have a 1996 Cadillac and have had problems with the motor and was wondering if anyone could tell me if they have made improvements to the Northstar motor on the newer Cadillac models, as I am thinking of getting a newer car and would like to stay with Cadillac but if the Northstar motor has not been improved I will have to look at something else. Check around for leaks. Let’s dive into the common problems and specific issues that plagued this engine. 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 Dec 1, 2020 · If you drive a Cadillac with a Northstar 4. A few problems that keep popping up. However, you can avoid the 1993 to 2005 variants for the following reasons. com: NHTSA — Engine Problems. While you can switch oil types, it isn't quite a drop-in replacement unless the engine is known to take it well. 5 liter used from 1989-1992 is relatively trouble free. We do head studs, main studs, gap the rings, clean, and assemble. I was able to confirm that this is an inherent problem with the northstar engine during that period and Nov 30, 2005 · have all the northstar engine the same sylinder block and heads? i want to build a turbocharged northstar engine for my old opel,and i want to know the difference between the engines before i buy one. The car remains cool when it idles. Best year for the Northstar engine is the 2002 model. The final vehicles to use the iconic powerhouse I’ve got a 2000 Cadillac STS WITH 150,000km (90,000 miles) I’ve owned it for years trouble free. 4K views 7 replies 7 participants last post by Submariner409 Apr 29, 2012 Apr 15, 2003 · The oil consumption that you are talking about is very normal, northstar had alot of problems in the early stages with real oil consumption 2-4 quarts in 3000 miles or worse. Learn about the common problems and issues with the Northstar engine series, a 90° V engine manufactured by General Motors from 1993 to 2011. The 2006 Cadillac DTS has 38 NHTSA complaints for the engine at 80,089 miles average. On 2000+ car they fixed the brakes, susupension, Apperance, Fuse box, and I can go on and on. Jan 18, 2022 · I just traded it in with 158,000 miles and it ran like a champ, No Leaks No Engine Problems, Perfecto Mundo. Look at the part of the harness that goes up to the fuel injectors. The problem was with the engine wire harness. The 2007 Cadillac DTS has 13 NHTSA complaints for the engine at 89,975 miles average. I have been informed by several mechanics that this is a I have a 2004 cadillac deville, northstar engine with 110,000 miles. This engine uses a water crossover at the rear (driver's end) of the block - attached to ports on the two cylinder block banks and the cylinder heads. This is ongoing issue with these 08 Cadillac Dts 4. To check for the cause of the cold start, loud ratcheting type/ clicking type noise concern: Jan 17, 2011 · As a casual observer who will be on the hunt for an STS-V in a little over a year, I am impressed with the lack of "Northstar issues" reported here in comparison to the older, FWD engines. as i was driving approx 30 mph Timing chain problems on Northstar engines are virtually Mar 15, 2024 · Today we build a Cadillac Northstar LH2 for boost using parts from Northstar Performance. The worst complaints are oil leaking, crank shaft sensor went out. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, [citation needed] but is most associated with Cadillac's Northstar series. THer is, however, one dude over in the Northstar forum with 540,000 miles on his BONE STOCK Northstar. 6 DOHC 32 Valve Cadillac Northstar Engines. The CUE infotainment system found in most 2013-2018 Cadillac vehicles has a screen with major design and installation flaws resulting in bubbles, cracks, and an unresponsive interface. Cadillac Northstar engine problems. It's called "Camel Mode". The base engine consists of: An all-aluminum engine block and cylinder head Dual Overhead Camshafts (DOHC) Variable Valve Timing (VVT) Sequential fuel injection Customer: I own a 2008 Cadillac DTS with a NorthStar Engine, is there a potential problem that I may encounter regarding a Blown Head Gasket due to earlier information that it was a problem with some Cadillacs? I have in excess of 106,000 miles on my DTS. Like all engines, the Northstar requires proper maintenance to stay in good Cadillac Northstar engine problems. 32psi with key on not started. It developed the common valve seal problem at 100k and mom traded it (on the Cadillac actually). It’s the 3rd Northstar powered caddy I’ve owned, I’ve never had any head gasket or electrical problems. Northstar Engines and All Northstar 4. If you are getting the oil indication from the OBD2 on your display then you may have a bigger problem. (and the thread has been dead for 10 years) The OP said his ticking came from the front of the engine - probably VVT problems - which your engine does not have. ) Oct 31, 2014 · I am considering an Eldorado, 2000 or later. Sep 23, 2004 · The oil pan is leaking on my 80K 4. 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. We were one of the first remanufactures in the country to offer remanufactured 4. best bet is to do a hydrocarbon test to confirm whether or not the head gaskets are blown. 00 car runs great . Feb 8, 2012 · You have posted in the wrong forum. He claims that the earlier engine block castings were prone to fail due to porasity in the casting. Knowing which Northstar engine years to avoid can save you from costly repairs and headaches down the road. The shop wants $800 to fix. Can you give me some information on these engines and other aspects of these cars? I like the styling of the Eldorado; have a 93 Riviera, had a Reatta and Camaros earlier, but would like something we can travel in, now. I cant figure out what's going on with this Northstar engine Dec 23, 2022 · Do Google searches for "cadillac forums northstar purge line" and "cadillac forums northstar water pump tensioner pulley". Hi Jun 3, 2024 · The Northstar V8, especially the 1996–1999 versions, was known to be fraught with issues, with many of those issues revolving around some of the engine's complex overall design. Clogged purge lines have been known to cause overhating. 6 northstar. Oil pressure sending switch 2. And with the ‘Northstar Condition’ affecting The 2005 Cadillac DeVille has 10 NHTSA complaints for the engine at 108,434 miles average. When the head gasket goes, the head bolts pull up through the block, stripping the threads. Initially rated at 295 horsepower, the Northstar V8 has been ranked as one of the "10 Best Engines in North America" by Ward's Auto Aug 1, 2004 · The Northstar V8 engine family is General Motor’s top-of-the-line luxury power plant. Check around the purge line for a dry chalky reside-Dried Dex. Oil filter adapter O-rings/composite seal plate (depending on year) and (if fitted with V03) - oil cooler lines Apr 4, 2021 · Cadillac & LaSalle Club Discussion Forum Cadillac & LaSalle Club Forums General Discussion (Moderators: The Tassie Devil(le), Lars Kneller 8246, Carfreak, quadfins, Barry M Wheeler #2189, Highwayman68) 1994 Sedan Deville - Northstar Engine? Dec 20, 2009 · Jake, I wanted to have a thread here in the forum, this way it doesn't just apply to people looking to stud their engine, but rather for Northstar repairs in general. automakers. We wouldn’t recommend that here at RB Auto Service. We have been repairing these engines for 15+ years and this has Jun 8, 2023 · Unless the engine needs to come out for oil leaks I'd leave it be You're talking 2500 and up for a possibility of not needed repair. My Northstar engine, that has known head gasket problems, has gone from the most negative part of the car to the most valuable. However there is a problem. In fact, the factory lifters are good for 8,500 rpm, but in order to get there safely you're going to have to swap in a set of stronger valve springs. The years 1993, 1994, 1997, 1999, 2002, 2004, and 2006 are the Northstar engine years to avoid. No Apr 24, 2006 · These leaks are only niusance leaks and usually don't get worse. engine oil leaks and usage. The designed the Northstar. There are about 5 generations of that engine. Sep 30, 2012 · Problem is, the engine bay gets quite warm during operation, and unless you have a stream of coolant, it will dry. 6 Liter Engine 1994-2011 is a V8 engine designed by Cadillac, a division of General Motors, for use in their luxury vehicles. I think a lot of the issues are a lack of maintenance. May 29, 2016 · I can't seem to figure this car out. But I don't want to be unlucky with the engine. 6L 32-valve dual overhead cam all-aluminum V8 engine was a quantum leap forward for U. Both my 2000 & 2001 had the oil leak problem---Just wondering IF CM has cured this problem--My mechanic says he can cure it BUT it will cost approx. Sep 22, 2011 · I seem to recall the Guru once say that the water pump turns at engine RPM. Both the Ford and Cadillac engines are good engines. For example, its limp home mode will allow the engine to continue running if the coolant runs out. Oct 31, 2024 · In this video, Jake dives into the common problems and reliability of Cadillac’s Northstar engine, a powerful V8 that was popular in models like the DeVille, Jul 31, 2015 · Over the years I've had so much being said about the Northstar engine and why they fail and from what year it is safe to buy them, I've heard 00 and I've heard 03 and I've heard 04 and 05. They fixed the first gen by making the second and third. Thus if you run low on coolant, the northstar coolant pump will pump nothing. also from time to time we have seen a Customer: I have a 1998 cadillac deville w/ a 4. Carbon collecting in cylinders, prematurely worn piston rings causing excessive oil consumption, valve cover oil leaks, blown head gaskets, rear main seal oil leaks, oil pump failures, and water pump failures are some of the The Northstar engine series is a family of automobile engines designed by General Motors. Some of your advice is incorrect as regards the Northstar engine. He claimed that GM's "fix" was to offer coolant "pucks" to add to your coolant to stop erosion of the engine block. Jun 7, 2007 · The root cause was corrected on the 2000+ engines. The engine block of the Northstar Cadillac engine undergoes excessive leakage, which reduces the oil level. The Supercharged Northstar V8, which also powered the V-Series Jul 30, 2020 · The Northstar engines after the 2004 and 2005 model years are known for their long lifespan and reliability, and show how Northstar engines can be good vs. Without going into this kind of debt, is there a reliable time tested stop leak that won't hurt our sensitive motor? Feb 23, 2012 · I am planning to buy a used 2006 or newer DTS 1SD. The Northstar's design was initiatedin the late 1980s. :noidea: I guess the WP pulley would have to be about half the size of the cam shaft drive pulley, but I've never bothered to compare pulley sizes. Feb 23, 2006 · Cadillac Seville STS Northstar 4. 6L engine. Feb 15, 2020 · Welcome to CF !! You need to study the stickies in Engines; Northstar. You may experience … Aug 21, 2014 · In order of what's posted throughout this site by frequency - 1. Northstar: A Late Bloomer. If the oil pressure was low the engine would have siezed up by now. In electrical terms, I have what is called a "current drain". does your car have Oil cooler lines? if there is it could be the rad, i strongly recommend a trusted mechanic to do the diagnosis. When I run the heater around town (in Phoenix) Yikes! The car seems to run at regular temperature When shopping for a used car, one of the most important things to consider is the engine. GM made the Northstar engine from 1993 to 2011. 6 Northstar. 6-liter Northstar V8 engine that generates 320 hp and 310 lb-ft of torque. If you don't know when this was last done do it now! Without proper maintenance water would leak in to the engine and ruin the bearing etc. any suggestions? Feb 1, 2019 · The first Northstar engine, RPO Code L37, was launched in the 1993 Cadillac Allante roadster and the Cadillac 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 Northstar gets a bad rap from mostly owners who neglect maintenance. I've heard something about the bolts that hold the top and the engine together, tha they were too weak, I've heard corrosion because someone didn't replace Dec 16, 2010 · Fixing any small leak as soon as possible is important. About 8 months ago she started overheating with the gauge jumping up to the top and the message near the odometer saying that it has shut down the a/c then said to shut the engine off. 6L (LH2) Northstar engine cold start, loud ratcheting type/ clicking type noise may be caused by the cam phaser lock pin failing to properly engage. Jul 1, 2007 · There are no problems that the Northstar is known for having with less than 100,000 miles. Where are you ??? The Northstar cooling system is different from the usual front-of-the-block water pump and crossovers. 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. Despite its impressive output, the XLR’s V8 engine has had common problems, some of which include: Apr 29, 2023 · In conclusion, the Cadillac DTS Northstar Engine is a powerful and reliable engine, but it is not immune to problems. And with the ‘Northstar Condition’ affecting Why I didn't include the Northstar on my infamous list. My mechanic spent all too much time researching the issue as well and he came to the conclusion that these Northstar engines are THROW AWAYS. Thanks for any input Mar 29, 2006 · IMHO, if GM would have put a Gen3 engine in it, the car would be perfect. I think Cadillac fixed the problem on later models. This has been going on for over 3 months. Read the non-scientific poll results in the sticky in Engines; Northstar. 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 Far and away, most of the Northstar's issues have to do with oiling. With a fully charged battery--approximatly 12. 0L engine (RPO L47, VIN C) and Cadillac Seville, DeVille and Eldorado model vehicles equipped with 4. May 6, 2023 · On the negative side, the 1993 has the Northstar engine which has a reputation for head gasket failure whereas the 4. Based on what I've read, the 1993 is the better choice even with the greater potential for engine issues since dealing with the other problems on the earlier models can Nov 22, 2011 · Welcome to Cadillac Forums !!! :highfive: PITA is the standard internet acronym for Pain In The Ass. The car is mechanically sound--no engine problems or "MIL" lights coming on. Oct 31, 2024 · Even though it’s an engine that is known for its head gasket problems, it also boasts desirable features that are related to performance applications. I removed the old plugs which were soaked with gas and changed them out. If your burning a little oil then the engine is running correctly. (Deville went away after 2005. If you have never had a problem please do not participate in the poll! Feb 14, 2011 · I was wondering if the V8 Northstar engine 2005 and up models has the same issues as the earlier model V8 Northstar engines? Far as having the overheating, heads separating from the block from bad threads on mounting bolts. Many of the vehicles on this forum have well over 100K on them when problems do show up. Given enough miles problems will start to show up on any engine. Your 2004 transverse Northstar bears little resemblance to the OP's 2007 VVT longitudinal engine - VERY different vehicles. Has the Northstar engine been redesegined to avoid head gasket problems like on past Cadillacs? May 13, 2010 · Northstar Interchangability 93/94 - These engines have the knock sensor below the fire-wall side cylinder head, screwed into the side of the engine block. Searching automotive forums online will return suggestions that you use an OTC leak stopper to fix the problem. May 26, 2004 · It does highlight problems that might show up. Oct 30, 2010 · That reduced the chances of bolt clamping pressure loss and the resulting gasket failure to that of about any other internal combustion engine. In fact, during the final stages of development, GM Powertrain engineers found more opportunities to push the boundaries of the Supercharged Northstar engine. but certainly does not represent the likelyhood of the problem showing up. Nov 10, 2022 · Learn about the common issues and failures of Northstar engines, such as oil leaks, head gasket blowouts, glow plug damage, and carbon buildup. There are few that praise their cars. May 22, 2009 · Did Cadillac ever fix this problem, from 1992-1999 Northstars I have read that it seems like the headgaskets were BAD!! I wouldn't mind buying a 2000-up Deville or a DTS. Apr 14, 2021 · This is a video showing how we repair our Cadillac Northstar engines without using inserts. Jun 11, 2010 · automaker said that the Northstar V8 supercharged engine represents the most output ever for a production Cadillac. 45 psi when running 50psi vacuum line off fpr. There's plenty more where that came from. 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. Cam shaft turns at 1/2, but he said that the WP pulley size doubled that bringing it back to engine RPM. Jun 17, 2014 · However, I've been looking at the used Cadillac market and saw bad headgaskets in 2005+ Cadillacs and 2004~2005 Pontiac Bonnevilles, there aren't a bunch but definitely a noticeable amount. So I bought a Corvette. Maintenance plays a pivotal role in extending this engine’s life. Oct 2, 2004 · To test for a rich condition causing a hard start warm/hot hold the throttle firmly to the floor before cranking and keep it firmly depressed when you crank. It's best to avoid buying a Cadillac with a Northstar engine from this era to steer clear of these costly repairs. S. The 2006 to 2011 Northstar engines are reliable with their optimized efficiency. No, I elect not to call him and argue. But loves to overheat as speeds of 60 mph or higher. There are many Cadillac Deville with same leaking problem, the northstar engine has this problem Aug 7, 2006 · General Motors has decided that certain 1999 Oldsmobile Aurora model vehicles, equipped with 4. I have so far replaced the waterpump and thermostat, found a couple lines that were leaking and replaced them. Find out which models are the worst and which ones are safe to buy. This is a temporary solution to a well-known Jul 8, 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. Honestly before watching this video I thought to myself “oh another internet mechanic just creating negative claim about the Northstar again” but after watching it I feel that it’s probably the best video (and the proper reference to the proper fix of these engines. Mar 1, 2011 · 1998 Deville (northstar engine) starting problems Jump to Latest 8. Cadillac has no reman program for Northstar V8s (if one fails, replace it with a new one). Tried a few times, you could only hear a few clicks from the starter motor (I Mar 26, 2012 · d1mbu1b, "Translating from Chinese" . 2003 Cadillac DeVille engine problems with 33 complaints from DeVille owners. Ouch! Standard procedure for this problem is to pull the motor and replace the dual pan setup. Find out which years of Northstar engines are the worst and how to fix or prevent them. Jan 15, 2005 · Cadillac has done several things over the years with varying degrees of success but bottom line, the problem still persists. IMO, the new RWD Northstar S/C has the best shot of keeping it's coolant in the water jacket where it belongs but with the increased combustion pressures brought on by the forced induction only time will tell. As a car gets older and drives more miles, like with Northstar engines in 1990s and Jul 24, 2014 · SOURCE: 1993 Cadillac Eldorado overheating I am assuming you have the Northstar engine. Apr 23, 2004 · This engine had two big problems #1 Engine requires regular coolant changes and you must use the GM sealing tablets. (Northstar engine) The car is pretty much flawless. 6 Northstar engines to the public, even before oversize pistons were available. The engine received a forged steel crankshaft in October 2003. My Lastest Cadillac is a 2019 XTS Luxury. May 13, 2010 · Discussions relating to the Northstar System and various drivetrain mechanical/electrical/sensor problems. Stickys are timeless info for every owner of the vehicles/systems in a vehicle thread. The northstar coolant pump location is very high up on the engine. It's 10 times easier to drop cradle than do in the car. The Northstar engine was a family of high-performance powerplants produced by General Motors from 1993 to 2011. Leaking coolant=low coolant=toasty engine. A cornerstone of older Cadillac models, the Northstar engine was hailed for its cutting-edge technology, becoming synonymous with the Cadillac brand. 9L and fixed it. 1K views 4 replies 3 participants last post by ConnerJochum Jan 27, 2024 CADILLAC 4. I now have a true performance gem of an engine with strong reliability. 6 engine, you’ve probably found yourself dealing with a nonstop oil leak. Oct 28, 2007 · Here is the Definitive Northstar Headgasket Thread. Whether you drive a Deville or a Seville, a DTS or an STS, an XLR or an SRX, and Eldorado or an Allante. most 04 and all 05+ have the updates head bolt thread pitch, these seem to hold up pretty well but we still have had a small hand full come in with pulled bolts. High-Mileage Engine Woes. However, the complexity of Northstar engines meant they quickly became notorious for head gasket failures. Dec 4, 2020 · The 32-valve design of the Northstar's engine head gives it a serious advantage when it comes to upper rpm breathing as compared to a more traditional 16-valve pushrod motor. General Motors later introduced a less powerful version, and the automaker used the Northstar from 1993 until 2010. #2 Engine was just plain tooo wimpy for the mass it was trying to pull around. Study the pertinent stickys, marked with a push pin, in this forum and in Engines, Northstar. GM fixed a lot of these problems in the 2000 model year, but earlier engines are known to develop leaks around the main seals and valve covers. Customer: does 2005 northstar engine have problems like earlier years oil leak, coolent, head gaskets. 6 V8's. Complete information, specs, power and torque ratings on the GM Northstar L37 engine used in various Cadillac and Buick vehicles from 1993 thru 2011. Early versions had some serious head gasket problems — the aluminum block and head bolt threads just didn’t get along. Any internal combustion engine can last 1,000 miles, 100,000 miles, 200,000 miles - depending on maintenance, type of driving, and whether it is used under demanding power conditions or as a daily driver engine with more normal power requirements - - - A race car engine may last only one or two races. Nov 10, 2019 · The failed head gasket caused by cylinder block head bolt hole thread failure is GREATLY reduced after 2000 and almost non-existent after 2004 or so. 6 liters and delivered 295 horsepower and 290 pound-feet of Jan 1, 2015 · The 2000 Cadillac DeVille has 9 NHTSA complaints for the engine at 91,000 miles average. The engine was designed and tested to run for 50 miles with no coolant/cooling. I am looking for second opinions because he thought it probably was the head gaskets and that the cost would be over two thousand bucks. Check the purge line itself. ALSO Mar 31, 2024 · The Cadillac Northstar is a well-engineered engine that has many notable features. Unlike the old v8s that are usually located on the front in centre of engine. 6 litre northstar engine. The LH2 Northstars that goes into RWD/AWD caddies seem to fare better but I haven't been looking at them a whole lot so I don't know. I change the coolant yearly and oil every 6-7km. On some '04 and '05 engines there may be an engine oil leak from the front cover of the engine. The Northstar is it's own worst enemy in this respect. It displaced 4. Feb 24, 2011 · Northstar engines usually run well, but most mechanical problems require many hours of expensive work. Oct 9, 2004 · New engines from Cadillac were qouted at $10K, and they only had a one year warranty. Most Northstar engines produce 275 hp to 315 hp. Jul 29, 2005 · Oil is a lot cheaper than an engine - especially a Cadillac Northstar V8 engine. 6L engine (RPO LD8, VIN 9 or RPO L37 VIN Y) may exhibit a condition in which they cylinder head bolts may become loose and cause coolant leaks and Jul 9, 2012 · Not all Northstar V8s will blow their head gaskets. It was about 1 year old with 8000 miles. 6 volts-- if I dont start the car in three straight days, the battery is completely dead. NO internal combustion engine is immune to gasket failures occasioned by any of a number of causes. The RPM wont go past 3000 RPM, vehicle immediately cuts off when foot is off accelerator. $2K. In researching this engine, we discovered that few rebuilders are overhauling Northstar V8s - not because these engines are lasting forever (they're not), but because the Northstar V8s are such expensive and complex engines. 000km) Problem: It all started with Traction Control Disabled When starting and driving the car it always showed traction control disabled. If the engine starts immediately then something is flooding the engine such as the FPR or a leaking injector. How to spot a head gasket leak in a Cadillac Northstar Engine Oct 4, 2024 · But know that every engine has its quirks, and the Northstar is no exception. This Deville had a slow coolant leak & a history of overheating due to a failed water pum Mar 3, 2007 · Here is the problem with the Northstar engines, especially those made prior to about 2003 or so. The Northstar was the first domestic overhead-cam V-8 to employ 32 valves, four cams and four valves per cylinder. #Northstar #Cadillac #MeaCulpaThe Northstar was unleashed in 1993 and was an award winning V8, comparing favorably with other engines from other brands. From some of the comments on the Northstar engine, I might be getting trouble. I have a 2001 Cadillac deville northstar engine, which is overheating. Links Below: Cadillac Northstar engines are known for overheating. (Page 1 of 2) CarComplaints. Regular maintenance can help but doesn’t eliminate these common problems. Oct 8, 2019 · I have, however, FINALLY found the problem that was causing my stalling issues. These models are known to be less reliable and more likely to have serious engine issues compared to newer versions. There is an updated front cover and gasket; part #89017798 cover part #12593627 gasket Bulletin #05-06-01-015 Bruce Jan 30, 2011 · I personally believe it is a problem with inferior alloy/casting processes. There are many daily driver engines Dec 7, 2017 · Answering for completion. Costs me 700 to 800 just for parts to reseal and insert an engine to include timing chain wear items. Aug 12, 2008 · You may be OK in terms of oil burning. It's a cramped engine bay to say the least. Jul 30, 2014 · anything 03 and older have HG problems, the updates they did in 2000 pretty much did nothing, we do so many 2000-2003 Deville/Seville/Eldo's it probably is even with 97-99 Northstars. 0 fuel pressure in the morning. 6L 270hp Northstar Concours. Feb 9, 2017 · I know of two cases of this happening to this engine and wonder if this a regular problem with the Northstar Engine. Delaminated CUE Screens. Oct 26, 2024 · The first-generation Northstar engine, introduced in the early 1990s, was a significant upgrade for Cadillac, offering more power and better performance. Are the 2005+ model Northstar engines more reliable than the earlier models? Feb 12, 2016 · . It is part of evolution. I did notice that the hose leading to the thermostat was rock hard, so I replaced the Jun 7, 2014 · I just bought this gorgeous White one owner 70,000 mile 1999 Cadillac Deville. The engine will NOT suffer from a quickly sensed overheat. The most problems I've seen have been front cover and oil pan leaks, radiator leaks, P/S resevoirs on the early '04's before the redesignmostly powertrain related issues. Cadillac Mechanic: Chad Farhat , ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 7 years ago Oct 9, 2007 · My comment to the customer rep was, "I find it unbelievable that a cadillac with only 58,918 miles on it would have "any" engine problems, especially Northstar engine!" I had the car serviced every 3000 miles and not once was I told that the Northstar engine had head gasket problems or that it burned oil. 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. The Cadillac XLR is equipped with a 4. These engines have slots cut into the intake ports to feed exhaust gas from the EGR system into the combustion chambers. one of my friends with an 04 XLR-V got tapped in the rear end breaking both tail lights Sep 23, 2018 · The name “Northstar” itself came from Cadillac’s quest for something to guide the marque back to prominence; a state-of-the-art engine, it lived up to those lofty expectations, and still powers many Cadillac sedans today. 6 l v-8 engine Jump to Latest 1. Oil filter gasket itself 3. Mar 21, 2018 · Re: Northstar engine trouble So the Northstar engine is commonly known for its head gasket issues, as we have developed a fix for it. Dealer has a $1500 digital tool that most garages do not have. Good piece. What Northstar Engine Years to Avoid And Why? You should avoid Northstar engine years from 1993 to 2005 because they have leakage issues, broken seals, damaged head gaskets, more oil loss, damaged valve cover, malfunctioning water pumps, and carbon accumulation. Look at the head gasket poll in the Engines; Northstar stickies. Please read this entire (old) thread. Jul 21, 2011 · GM ceased production of the Northstar engine in July 2010. This enables clear flood and turns off the injectors. 6l from 1993. When I was 20 I wanted a Cadillac but I could not afford it. Customer: I have 1997 deville 4. My father-in-law had a 2000 Cadillac that burned about 1 quart in 800 miles when he bought it used. Flushed the whole system out, and I did a block test which came back negative. Stickies, marked with a push pin, are necessary, timeless info in any forum of interest. Oct 27, 2024 · The Cadillac Northstar engine offers strong performance but is known for issues like head gasket failure, overheating, and oil leaks, often requiring costly repairs. By design, the northstar is a decent engine. Oil pressure can disappear entirely on early 1993 to 1994 engines, as a result of debris caught in the the finicky oil pressure Oct 19, 2015 · Please read the non-scientific poll on Northstar engine/gasket failures in the stickies in Engines; Northstar. the P0300 is a generic misfire code - this is one code our on-board scanner falls short on - while it WILL store the code for specific cylinders misfiring - Jan 30, 2014 · Car won't start unless Im holding the accelerator to the floor, if it starts it stumbles terribly and has no power. The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Since a few weeks I had some serious problems starting the car. starter cranked 4 seperate times then small backfire and starts. The Northstar V8 is already infamous for being a particularly needy engine which is plagued by issues like buried water pumps which are multi-hour jobs to access; especially ones under the top head where you not only need the gaskets but also a water pump. Dec 1, 2014 · Can anyone tell me--Has Cadillac cured the problem of the oil leak on NorthStar engines---I am on my second "DHS" which I love---Thinking about buying a latter model--say 2008 or 2009. I like the later real DTS - Deville Touring Sedan - and do not like the 2006+ wannabe "DTS". Therefore, it has a specific seal which is the Jan 31, 2003 · In researching this engine, we discovered that few rebuilders are overhauling Northstar V8s - not because these engines are lasting forever (they're not) but because the Northstar V8s are such expensive and complex engines. im going to change the rods,pistons,maybe the cams,he whole injection system and turbocharge it. What year Northstar engines to avoid: From 1997 to 1999 model years. Replace the overflow cap. As far as the top, the problems I've had are few and far between. The engine was introduced in mid-1992 in the 1993 Cadillac Allanté. The Northstar V8 engine family is General Motor's top-of-the-line luxury power plant. All of these engines will experience lower crankcase seal leaks, oil pan leaks, valve cover leaks, and rear main seal leaks as well as leaks from Nov 17, 2007 · engine oil leaks I haven't seen any cam cover seals leaking on the LH2 series Northstar (that doesn't mean that they don't leak). On the older v8s, a rad could be only half full and the pump could Jun 14, 2015 · Re: 1998 DeVille air intake manifold. Originally intended to exclusively power Cadillac models, the Northstar was Jan 9, 2006 · A healthy Northstar will use a quart every few thousand miles, and a drip or two overnight won't really affect that. No amount of bolt length or thread pitch change can help that (which we are finding out as the 2000+ revisions begin to increasingly pop up here with hg problems). They are fixing the Low powered Northstar. bad when compared to the earlier models. As a former owner of a self-destructed Northstar, I was a bit hesitant to get back in the game, but the early returns seem very encouraging. 6 engines will eventually experience the same seal failures and oil leaks. no parts availability, so when that careless driver at the mall backs into one of your headlight, be prepared to shell out anywhere from 2k- as much as 5k for a replacement if you can find one at a salvage yard. It is hard to start after sitting overnight. Nov 17, 2010 · Guss put the engine back together perfectly, the first time, no returning for re-fix, ready to run for years and miles to come. Northstar V8 life expectancy often reaches between 120,000 to 150,000 miles. There is a hose/tube that goes from the rad tank to the water pump via the engine cover & driver side top motor mount LYRIQ, Vistiq Mar 20, 2013 · Hello to everyone. The best group was the 2004 and later. Much info in here as well as in newer threads on the same subject. 1997 - 1998 - 1999 had block metallurgy troubles, 2000 had head bolt thread length problems. We had a 2-valve version of the Ford engine in a '92 Crown Vic. Trending Problems. That is a reason I don't recommend most Cadillac cars. Cadillac has no reman program for Jan 26, 2024 · northstar 4. They took a junk 4. However, it was not without its challenges. The cost to repair a simple head gaskets would approach $3000 and there would be a high probability of a recurring Cadillac Northstar engine problems. (run around 170. Aug 23, 2019 · Remember when sodium silicate was used to destroy engines under the Cash For Clunkers buyback program ? Many good engines were destroyed and sent to the dumps using that stuff. Jun 21, 2023 · Learn about the Northstar V8, one of the most advanced American V8 engines of its time, but also one of the most complicated and problematic. Being 70, I will never put 158,000 miles on it as it only has 25,400 miles on it now. Is this true? Dec 8, 2009 · Hi, As I know this syndrome was common in 98, 99 N*, and finally Cadillac has come up with some modifications, and they updated N*, and I guess you have the modified engine on your 2002 eldo. - Norfolk, VA Jan 19, 2018 · A fella at work who knows a lot about cars & engines told me a problem with some of the Northstar 4. vxkrbd ipsd ahfqdfj mykkct opbza lznzcg pmvxy kwrdw voharb ktboy