A: The most common Northstar engine problems include oil leaks, coolant leaks, and head gasket failure. Q: How can I avoid Northstar engine problems? A: You can avoid Northstar engine problems by following the manufacturer’s recommended maintenance schedule, using high-quality oil and fluids, and driving the vehicle in a gentle manner.In a previous video I said "...the excellent Northstar engine..." and have been criticized for it. This video is a history of Northstar, the common problem, and my (partial) mea culpa for my ...As soon as the engines would be in a overheating situation, the bolts would come off like squeezing a ripe banana. It took many years and many pissed customers but they eventually fixed the problem by using longer bolts with coarser threads (same bolts as the LS6, if I remember correctly). Northstars ftom 2005.5 to 2011 are reliable engines.7. Fuel Pump Problem. Fuel pump overheating is the most common issue among all fuel pump problems of the Polaris Ranger 1000. It usually happens when the fuel pump fails to deliver the required amount of fuel. This overheats the fuel pump and the combustion chamber and ultimately leads to severe engine damage.1996 Deville-Nothing 135k SOLD. 1997 ETC-HG Failure at 100,026. 1998 STS-Nothing 112K. 2003 STS-Nothing 52K. 2005 STS-Nothing 13K. 2006 STS-V-Nothing 17K. rolled the dice one too many times but the engine was replaced previously so they split the cost and ended up paying 2020.26 for the HG repair...Lac' Lo' Discussion starter. 1 post · Joined 2004. #1 · Apr 12, 2004. Im wondering as to what extent is the 4.6L v8 northstar engine modifiable. If im not mistaken it gets 270hp stock, But what all to the engine could be done that would give it substantial hp increase. I plan on getting headrest screens,visor tv screens,two 12" subs/w two ...Okay another quick vid to let you know it's a pain to do, there are 2 sensors one for oil pressure and one for the level, the one in the pan is the one for ...The goal is to make data science so easy that everyone can use it to have data driven decisions in their daily lives. Admitted that grand problems would still perhaps require grand solutions but solving the daily problems should not be difficult. It is in removing this difficulty that Northstar takes a significant step.In this video will be diagnosing a cylinder misfire on a Cadillac DeVille 4.6 L Northstar motor. I will show you how to identify which cylinder is misfiring ...A D V E R T I S E M E N T S. The contact owns a 2005 Cadillac Deville. While driving approximately 55 mph, the engine seized. The vehicle crashed into a median and the air bags failed to deploy ...The Northstar engine series is a family of automobile engines designed by General Motors. The Northstar has been used in several cars in the GM lineup, including the Cadillac Seville, Buick Lucerne, Pontiac Bonneville and Cadillac Eldorado. ... Run through a check list of common overheating problems to troubleshoot the source of your engine ...1. Car Model/Year: 1999 Cadillac Eldorado. Engine: Northstar 4.6L V8 (LD8/L37) Posted May 14, 2012. Hello, I have been researching the head-gasket problem on the 4.6 Northstar engines. I have a quick question. I own a 1999 Cadillac Eldorado that has a confirmed blown head-gasket. I was wondering, is it possible to replace the head-gasket ...The Northstar engine series is a family of automobile engines designed by General Motors. The Northstar has been used in several cars in the GM lineup, including the Cadillac Seville, Buick Lucerne, Pontiac Bonneville and Cadillac Eldorado. ... Run through a check list of common overheating problems to troubleshoot the source of your engine ...DeVille. 157,000 miles. The contact owns a 2002 Cadillac Deville. The contact stated that while driving 55 mph, the engine stalled and the steering wheel became difficult to turn. As a result, the ...Kubota B7800 with FEL. HCJtractor said: I shopped for a large generator for several months and finally decided on the new line of Northstar generators from Northern. These new models have just been introduced and were said to be improved. I did like many of the features as compared to the old ones, including a newly designed Honda engine, a ...The 2006 Cadillac CTS has 26 NHTSA complaints for the engine at 110,783 miles average. (Page 1 of 2)5. Oil leaks. Promar Precision Engines have been pioneers in remanufacturing the 4.6 DOHC 32 Valve Cadillac Northstar Engines. We were one of the first remanufactures in the country to offer remanufactured 4.6 Northstar engines to the public, even before oversize pistons were available. We have made multiple …Late 90's and early 2000's Northstar engines were quite bad about developing lower end oil leaks. Cadillac seems to have gotten that sorted out and we have not had any problems with oil leakage for the past couple of model years.2 days ago · All 2000-2011 Cadillac Northstar V8s use 5w30 Engine oil. Capacity on all front wheel drive cars is 7.5 quarts, or 7.1 liters including oil filter. Engine Oil Supplements. The only engine oil supplement I will recommend or allow the use of under engine warranty, is GM "Engine Oil Supplement" available through GM dealers. Part number 88862587.I have a 2007 Lucerne CSX with V8 Northstar engine purchased new in 2007. Have never had an engine problem untill now. Have always had it serviced by Buick dealer at least every 3000 t0 3500 mles. This last time it was over 4000 miles and my service engine light came on saying to stop engine. I added half quart of oil, no more service enging ...A fault TPS sensor can confuse the ECU causing the idle to be erratic or "hunting". High Idle Speed: The TPS may report faulty values causing the engine idle speed to be increased above normal. This is normally found in conjunction with a slow engine return to idle speed symptom. Slow engine return to idle: A failing TPS can report the …Cadillac 4.6 aurora 4.0 both north star idle problems engine shake shaking at idleculprit rubber gasket exposed finally clear view of rip in rubberon both my...The Northstar V8 engine family is General Motor's top-of-the-line luxury power plant. Introduced in 1993 in the Cadillac Allante, Eldorado and Seville STS, the 4.6L 32-valve dual overhead cam all-aluminum V8 engine was a quantum leap forward for U.S. automakers. ... Oil leaks around the rear main crank seal have been a problem on some 1996-'99 ...Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. Although most of these issues are...May 11, 2021. #1. My 2019 Ram 1500 with 5.7 with approximately 48k miles developed a ticking noise. It sounded like a exhaust leak, but as the engine heated up, it went away. The noise was quite loud. I thought it was an exhaust leak on the exhaust manifolds. Well I took it to the dealer and the tech thought the same thing.In a previous video I said "...the excellent Northstar engine..." and have been criticized for it. This video is a history of Northstar, the common problem, and my (partial) mea culpa for my ...Everyone's feet are different, but certain everyday foot problems are common. Learn about these annoying foot conditions and how to improve them here. Advertisement Feet are like s...Top 2004 Cadillac SRX Problems. Failure of Front Turn Signal and DRL Bulbs. 250 people have reported this. 133. Steering Wheel Position Sensor May Fail. 230 people have reported this. 81. Sunroof May Not Work. 142 people have reported this.38K views 17 replies 12 participants last post by Ranger Nov 5, 2004. P. plefe Discussion starter. 25 posts · Joined 2003. #1 · Sep 23, 2004. The oil pan is leaking on my 80K 4.6L 270hp Northstar Concours. The shop wants $800 to fix. Ouch! Standard procedure for this problem is to pull the motor and replace the dual pan setup.A healthy Northstar will use a quart every few thousand miles, and a drip or two overnight won't really affect that. Both the Ford and Cadillac engines are good engines. We had a 2-valve version of the Ford engine in a '92 Crown Vic. Good piece. It developed the common valve seal problem at 100k and mom traded it (on the Cadillac actually).fraudfighter Member Posts: 9. November 2003 edited March 2014. I am researching the excess oil consumption problem with Northstar engines. Saw some posts here back in 2001 but none since. It is apparently a very wide spread problem - 3 technical service bulletins posted thus far and no known fix for certain models.Northstar overheating causes. 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 am looking for second opinions because he thought it probably was the head gaskets and that the cost would be over two thousand bucks.The Northstar is a perfect example of an engine that was slightly over-engineered for its own good. It's finicky, high-maintenance and expensive to repair if anything breaks. Fortunately, its most common problems are easily dealt with -- and savvy buyers have been known to get great deals on engines sellers thought were toast, but were really ...Katshot. 6482 posts · Joined 2003. #4 · Sep 21, 2003. Bottom line: Cadillac says 1000 miles per quart is "normal" oil consumption for the Northstar, and therefore they will take no action to fix it. If the rate is higher than that, they will do the "de-carb" and as was said, it generally is less than effective.Nov 17, 2010 · Crest Cadillac has one of the best Northstar engine men in the country. His name is Guss; I cannot spell his last name! The service advisor that was handpicked for me to work with, to be the first to use the SureGrip Head Stud Kit, was Mr. Randy Nabors (O-214-613-1416 / Cell 469-446-9712). Crest Cadillac was very interested in seeing and ...Top 2005 Cadillac DeVille Problems. Power Window Regulators may Fail. 738 people have reported this. 405. Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail. 620 people have reported this. 285. Oil Leaks From Lower Engine Area. 504 people have reported this.Now I got a P0300 code random misfire. The engine idle quality is poor. I took it for a drive and on highway speeds, the engine responds well. Drove the car for about 17 miles with the goal of perhaps more codes would appear in order support a better assessment. No such luck just the same P0300 random misfire code.Example: "Bad Brakes", "Toyota Recall", etc. Bump the DTS problem graphs up another notch. Get answers and make your voice heard! 2011 Cadillac DTS engine problems with 6 complaints from DTS ...Cadillac Northstar owners to those whose vehicle is overheating .My 99 Deville was overheating turns out it was Catalytic Converter.Dont rely on PCM for code.If the Cat converter gets plugged up the heat will not get past converter it will back up into engine block causing overheating.My deville ran at between 190 & 201 degrees this morning.If you have a misfire the unburnt fuel goes into ...Here are some things about your Cadillac and what you should do to prevent Overheating and solve diagnose, repair, prevent your 1998 Cadillac Northstar GM en...As soon as the engines would be in a overheating situation, the bolts would come off like squeezing a ripe banana. It took many years and many pissed customers but they eventually fixed the problem by using longer bolts with coarser threads (same bolts as the LS6, if I remember correctly). Northstars ftom 2005.5 to 2011 are reliable engines.4258 posts · Joined 2012. #4 · Nov 5, 2012. I did not know that. I've always wondered why the Northstar wasn't more widely used. Even in it's front wheel drive format it would make a decent power plant for a build. I've had a few Northstars and other than the typical problem of overheating that they had occasionally, they are a strong performer.LD8 Northstar Engine. The LD8 engine is a transverse V8 for front-wheel-drive cars first introduced in 1994 and designed to provide more torque than the L37. Used on all torque-tuned Notaris, the compression ratio is 10:1 and is quieter than previous Northstar engines due to a tuned intake system and better hydraulics. Northstar Engine ProblemsCrossing more than 200,000 miles (or 13 years) should not be an issue with a typical 4.6 Ford engine. They have been popular in policeman cars forever and remain in peak condition to this day. Of course, proper and regular maintenance schedules must be in the picture. A common assumption is that durable engines tend to come with lower ...The 4.9L is no more reliable than a Northstar, it's susceptible to its own problems, including H/G issues, just like every other engine ever made. It's a decent engine, but the Northstar eclipses it in nearly every way. That engine wouldn't be an option for you anyways, unless you sell the car to buy a 4.9 powered one.Making a computer understand voice commands is tough—just ask Google, which has put some of its best engineers against the problem, or Apple, which is locked in an arms race with G...The Northstar gets a bad rap from mostly owners who neglect maintenance. Head gasket issues yes, but that was resolved for the 2003 model years and above. Don't let that discourage you from buying an older one though, they're still relatively bulletproof motors that love WOT runs. Just do your homework and check maintenance records.From the first Northstar engine I brought, 1997 Deville , has cost me 1000's of dollars because of the many problems. The 2005 Deville I also have now also leaks oil and my mother inlaw also has a 2005 DTS that leaks oil. The question is: Who was the dummy that designed and who allows this engine to be put in Cadillac.Top 2005 Pontiac Bonneville Problems. Engine Stalling Due to Mass Air Flow/Crankshaft Position Sensor Failure. 149 people have reported this. 44. Mode/Temperature Door Actuators May Fail. 146 people have reported this. 61. Car Won't Start Because of Anti-Theft System That Uses Raised-Chip Key. 101 people have reported this.Check out our Cadillac DeVille overview to see the most problematic years, worst problems and most recently reported complaints with the DeVille. 2000 Cadillac DeVille engine problems with 75 ...Despite these problems, we have heard of a 1993 Allanté engine that lasted 350,000 miles, and the car was still running with 440,000 miles on it when it was rear-ended and totaled. ... Northstar engine, refurbished $2,000. Master cylinder, ABS, rebuilt $950. Mirror, outside rearview, used $600. Spoiler, front, reproduction $199. Wheels, chrome ...The dealer service dept agrees with Ranger that the engine will have to be dropped to get at the seals. A 20 hour job. I think it is the crankcase seal. Also seeing tranny fluid on the lift. They say if I don't get it done it will get worse and start to …A real world example is the Northstar engine from 1999 to 2000. The 1999 engine was a 10.3:1 compression ratio and was designed to use premium fuel. For the 2000 model year, with a revised the combustion chamber and faster burn it is designed to operate on regular fuel and the compression ratio only had to be lowered .3 to only 10:1 to make it ...1G6ET12912B100942 2002 Cadillac Eldorado 4.6L Northstar Engine, Viv code #9 problem: --came in for oil leaks & coolant leaks --engine ran fine prior to service, no warning lights on prior to service - … read moreJul 30, 2014 · Submariner409. 83834 posts · Joined 2006. #15 · Apr 24, 2016 (Edited) Look at the sticky threads on the Northstar forum main page. There's one that lists the number of head gasket failures of CF members by year. It's not scientific, but the trend shows that the '98 and '99 are/were the worst.The Northstar has a very aggressive cylinder hatch pattern, to promote sufficient oiling at high engine speeds (6000 rpm). Unlike many engines, this thing was designed for sustained high rpm use and will run at 6000 rpm all day. The aggressive hatch pattern tends to retain the oil longer than a slicker cylinder wall will.From the first Northstar engine I brought, 1997 Deville , has cost me 1000's of dollars because of the many problems. The 2005 Deville I also have now also leaks oil and my mother inlaw also has a 2005 DTS that leaks oil. The question is: Who was the dummy that designed and who allows this engine to be put in Cadillac.83883 posts · Joined 2006. #17 · Mar 28, 2014. Take a look in my albums - there's a pic of the oil pan (sitting on the garage floor) filled with 7 quarts of oil. The various parts are labeled. The Community tab, Albums, the red Seville. 2 albums, 6 pages of stuff. The oil level sensor is nylon and uses an O-ring seal.Polaris Ranger 570 Problems To Watch Out For. The seven most common Polaris Ranger 570 problems are: Excessive heat in the cab. Overheating. Airbox lid warps and no longer fits. Hard shifting. Brake pressure sensor switch gives out. Fuel pump problems. Starting Problems.A healthy Northstar will use a quart every few thousand miles, and a drip or two overnight won't really affect that. Both the Ford and Cadillac engines are good engines. We had a 2-valve version of the Ford engine in a '92 Crown Vic. Good piece. It developed the common valve seal problem at 100k and mom traded it (on the Cadillac actually).The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. 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.LS1 Engine Problems. 1. Piston Ring Seal Failure. Each LS1 piston uses 4 seals, a 1.2mm combustion ring, a 1.5mm seal, and two 2.8mm oil rings. These rings on the LS1 are known to deteriorate …Hello - 2007 XLR Northstar engine work. Hello,I have a 2007 XLR and bought it last month.I love the car and bought it out right.Was taken care of very well seeing the records of every oil change,repair including every leak fixed.So far it drives good.Plans are to pull the engine out next month putting in head and main studs.Starting to have a ...2006 4.6 Northstar overheating. Hello everyone, I'm back again with another 4.6 Northstar overheating problem in my 06 Lucerne. The car has only 74,000 miles. The purge line has been blown out in the past and the thermostat has been replaced a couple years ago. There are NO visible coolant leaks and NO coolant on the floor.Cadillac Northstar engine problems A cornerstone of older Cadillac models, the Northstar engine was hailed for its cutting-edge technology, becoming synonymous with the Cadillac brand. However, the complexity of Northstar engines meant they quickly became notorious for head gasket failures .It will repair the "oil-side" seals while our Head Gasket Repair Kit seals the "coolant-side" seals... 8 Cyl. Northstar Dura-Seal® Head & Gasket Kit. Regular price: $179.99 (includes: Dura-Sealer, Instructions, Liquid-Ice Additive and Extreme Sealer Additive, Free 30 Day Tech. Service) This is a Custom Special Formula.AJxtcman. 3877 posts · Joined 2007. #4 · Jan 22, 2008. In the 96 to 99 engines the Intake Cams are the only mechanical differences. The tranmissions are different from a Y to a 9 application. The biggest part is the final drive gear ratio. 3.11 vs 3.71. The PCM program is different on many levels.If you or someone, you know, have been personally victimized by a Northstar engine, please comment belowWe don’t sell them, but we are here to support youI have a 2005 STS 4.6L Northstar....Let me start by saying I first bought car with 89,xxx miles on it. Have done regular fluid changes and thats about it....Fast forward to now about 137,xxx miles. Driving and then all of a sudden check engine light comes on. I hook scanner up says cylinder 5 misfire...At this time I realize I have never done ...1356 posts · Joined 2018. #8 · May 10, 2020. The engines in these things are pretty bulletproof and should easily last 10, 15, even 20K miles if maintained. It's all the other stuff that breaks. For example, if you ride any water at all, wheel bearings will last 1-2,000 miles.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 some '04 and '05 engines there may be an engine oil leak from the front cover of the engine. There is an updated front cover and gasket; part #89017798 cover part #12593627 gasket Bulletin #05-06-01-015 BruceMaking a computer understand voice commands is tough—just ask Google, which has put some of its best engineers against the problem, or Apple, which is locked in an arms race with G...The acual capacity of a northstar is 7 quarts. 6 crankcase and 1 in the filter. 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. If your burning a little oil then the engine is running correctly.83883 posts · Joined 2006. #6 · Feb 18, 2014 (Edited) Let's move this engine-specific question to the Northstar forum - and you can read the several sticky threads at the top of that forum on how to diagnose head gasket, cooling system, fan, and gauge operation problems. You should have diagnosed and repaired cooling system problems first ...While the Northstar V8 is well engineered, like other engines they’ve had some problems. According to various sources, head gasket failures are not uncommon. Nor is oil burning …Sep 5, 2020 ... Links Below: Cadillac Northstar engines are known for overheating. This Deville had a slow coolant leak & a history of overheating due to a ...As for swaps, you'll have major issues with engine & transmission electronics. With enough money anything is possible I guess. Since you mentioned 300hp, I assume yours is a DTS model. If it's a base model it has 275. If you bought it thinking you would mod it for more performance, you picked the wrong car.This is a common problem after replacing the ISC where the PCM does not know where the idle point is in regard to the TPS. It must "relearn" the position. The trick to properly setting the ISC has to do with several factors. How the idle system works on the Northstar. This engine has a "base" or "minimum" idle speed adjustment screw.1356 posts · Joined 2018. #8 · May 10, 2020. The engines in these things are pretty bulletproof and should easily last 10, 15, even 20K miles if maintained. It's all the other stuff that breaks. For example, if you ride any water at all, wheel bearings will last 1-2,000 miles.Oct 19, 2015 · Please read the non-scientific poll on Northstar engine/gasket failures in the stickies in Engines; Northstar. Stickies, marked with a push pin, are necessary, timeless info in any forum of interest. 1997 - 1998 - 1999 had block metallurgy troubles, 2000 had head bolt thread length problems.general motors is recalling certain model year 2010-2011 dts and buick lucerne vehicles equipped with v8 engines. THE STARTER OR ALTERNATOR CABLE IS IN CONTACT WITH THE POWER STEERING RETURN LINE.The Northstar engine series is a family of automobile engines designed by General Motors. The Northstar has been used in several cars in the GM lineup, including the Cadillac Seville, Buick Lucerne, Pontiac Bonneville and Cadillac Eldorado. ... Run through a check list of common overheating problems to troubleshoot the source of your engine ...January 26, 2023 by John. If your Northstar engine is leaking oil, there are a few things you can do to fix it. First, check the oil level and make sure it is full. If it is low, add more oil. Next, check for leaks in the hoses and gaskets. If you see any leaks, replace the hoses or gaskets. Finally, check the seals on the engine for leaks.Engine/transmission: The car's 4.6-liter, 32-valve, double overhead-cam Northstar V-8 engine develops 320 horsepower at 6,400 revolutions per minute and 310 foot-pounds of torque at 4,400 ...Coolant system problems have plagued the Northstar engine because of some design flaws that have never been corrected. Over time the steel head bolts and the threads in the aluminum block will begin to “stretch” and the head will seperate from the block, usually around 100,000 miles.If you or someone, you know, have been personally victimized by a Northstar engine, please comment belowWe don’t sell them, but we are here to support you If you or someone, you know, ...The dreaded northstar oil pan leak problem. My 1997 ETC Eldo is leaking a few drops a night of oil, looks like from the oil pan gasket. I am told to change the gasket the engine needs to be pulled as the exhaust crossover pipe is in the way. Anyhow, I am trying to avoid doing this, especially where as I am only having to add a quart every ...The Northstar is a perfect example of an engine that was slightly o, Northstar Engines and System Technical Discussion. BEWARE OF SCAMMERS. Anyone trying to get your money sh, Most Northstar dipsticks are badly marked. The motor tak, South Central Texas. Apr 18, 2005. #1. Just read a write up on the new Northstar 4.4 supercharged V-8 in, Jake Wiebe from Northstar Performance speaking with Joe @ Performance TV in Tennessee, showcasing o, Oct 30, 2010 · 756 posts · Joined 2003. #6 · O, Nov 10, 2019 · Pre-2006 is the 1.5 hour twist it out twist, The Northstar engine is a family of high-performance 90°, Northstar Engines and System Technical Discussion. BE, The Northstar engine problems were more prevalent in the earlier, 5. Oil leaks. Promar Precision Engines have been pioneer, When disassembling the GM Northstar 4.6L engine, all h, A: The most common Northstar engine problems include oil leaks, cool, The 3.5 would reportedly have been expanded to 3.7 L for the Intrig, Problem is, the engine bay gets quite warm during operation, and unl, I was advised by my local cadillac dealer to find a good used no, 85,605 miles. The contact owns a 2006 Cadillac Dts. , In this video will be diagnosing a cylinder misfire on a.