Northstar engine problems

Written by Aiurygymhy NianguLast edited on 2024-07-17
4.6L lower crankcase reseal.

67 posts · Joined 2007. #1 · Jun 7, 2007. Hello guys! I am new to this forum. I recently purchased a 1997 STS. I knew nothing about the car when I bought it. It has 175,000 on the odometer. When I bought it, it wouldn't run and I narrowed it down to the fuel pump and replaced it. I have it running now but it is running very rough.STS-V Northstar reliability. 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 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 ...21 posts · Joined 2011. #19 · Apr 23, 2011. Update - Motor is out. 90% sure the original diagnosis was correct. When turning it over by hand obvious clanking sound coming from timing chain area (like a tensioner failed) in addition to binding and the sound of a valve hitting the head.2. Oil filter gasket itself. 3. Oil filter adapter O-rings/composite seal plate (depending on year) and (if fitted with V03) - oil cooler lines. 4. Tossup between cam cover seals and oil level sensor in the lower front of the pan. 5. Halfcase and oil pan formed silicone seals (not "gaskets") 6 Rear main bearing seal at the flexplate.Find information and advice on Northstar engines and system issues, swaps, maintenance, and performance. Browse topics, posts, and replies from other Cadillac owners and experts.Any problems with that engine have been resolved with a car that is still on the road today. As for price, it is in a downward trend, so don't overpay! ... Northstar engines need to be exercised frequently and hard so you would not be a good match for a Northstar powered car if you use only 1/4 throttle. The engineers that developed the ...Aug 1, 2004 · 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. Initially rated at 295 horsepower, the Northstar V8 has been ranked as one of the ...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 ...Nov 17, 2020 · 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 …Fuel Pump Troubles. Problems in the EFI (Electronic Fuel Injection) pump are common in many Ranger models (like the Ranger 570). The symptoms include a bogging engine, sudden throttle cut downs, backfires, or clogs in the fuel pump. If you have a clogged fuel pump, you may need to push down on the accelerator like your life depends on it.85,605 miles. The contact owns a 2006 Cadillac Dts. The contact stated that engine oil leaked into the exhaust system and caused the exhaust to smoke. The dealer advised the contact that the oil ...I own a 2006 Buick Lucerne with the 4.6 Northstar. 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. I did notice that the hose leading to the thermostat was rock hard, so I replaced the thermostat.The Cadillac Northstar 4.6 Liter Engine 1994-2011 is a V8 engine designed by Cadillac, a division of General Motors, for use in their luxury vehicles. The base engine consists of: An all-aluminum engine block and cylinder head. Dual Overhead Camshafts (DOHC) Variable Valve Timing (VVT)Cadillac Northstar Engine Problems. Built as an answer to Ford's 4.6-liter modular engine, introduced the same year and carrying the same displacement, the greatest of Caddy's little V-8s made history for two reasons. It was the first GM production V-8 built for overhead cams, and the...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 ...Make sure to wisely pick the engine since the Northstar V8 lasts a long time, but it has an issue with the improperly installed power steering hose. Other than that, the 2011 model mostly had positive feedback and ratings with an extremely low number of ownership complaints, so it’s the go-to option if you are looking to avoid all those ...Engines Classic Mustang HP1556 Lemon-Aid New and Used Cars and Trucks 2007-2017 Popular Mechanics MGB & MGB GT - Your Expert Guide to Problems & How to Fix Them Focke-Wulf Fw 190A to G The Essential Guide to Motorcycle Maintenance Redline 18 The Family Handyman Simple Car Care & RepairThe northstar engine is a delicate engine and like a beautiful woman it demands your attention to the fullest. ... It's called "Camel Mode". The engine will NOT suffer from a quickly sensed overheat. The head gasket problems, largely cured by 2002/2003, were mainly due to failed cylinder block head bolt threads - fine threads, short head bolt ...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 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 ...Worst Cadillac XLR Engine Problems #1: Oil Leak 2006 XLR Average Cost to Fix: $6,000 Average Mileage: 28,000 mi. Learn More #2: Service Engine Light Is On 2006 XLR Average Cost to Fix: N/A Average ...A whining sound in your car’s radio is likely to be DC noise from the alternator, especially if the pitch of the noise changes with engine speed. Uncommon in most modern cars, the ...STS-V Northstar reliability. 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 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 ...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.Great engine and the log stripper is a nice addition. Unfortunately there are several fatal flaws with design. One is how the valve and handle assembly attaches (you can find YouTube about that problem). Another is the collar that holds the hydraulic cylinder to the I-beam. In the picture you can see how the collar has been deformed from pressure.Cadillacboy. 4419 posts · Joined 2003. #9 · Nov 12, 2007. I think w/ a good maintenance it should last longer than 150 K miles . It's not about how fast you go,it's about how you go fast - Enzo Ferrari. If you can produce the best road cars in the world,no one ever will forget them-Ferruccio Lamborghini. Like.If it's water/moisture condensation, that's most likely your problem. Oil is an insulator, so oil-wetted boots should not cause a miss. Rent a fuel pressure tester from a parts store. The test port is on the corner of the fuel rail, passenger firewall corner - #2, 3. Spec pressure at Key: ON and at idle is 41 - 47 psi.Northstar low oil pressure alarm. I Replaced The Northstar In My Wife's Eldorado, (headgasket Problems And Overheating With Cooland Loss), With A Used Low Mile Seemingly Good One. When The Engine Gets To Tempurature Especially On Hot Days I Get The Oil Pressure Alarm At Idle. If I Crank The Idle Just A Little It Goes Away Although It Sometimes ...If it's water/moisture condensation, that's most likely your problem. Oil is an insulator, so oil-wetted boots should not cause a miss. Rent a fuel pressure tester from a parts store. The test port is on the corner of the fuel rail, passenger firewall corner - #2, 3. Spec pressure at Key: ON and at idle is 41 - 47 psi.Oct 4, 2021 ... 3:17. Go to channel · The Northstar 4.6L Engine Problems. Powertrain Products Inc•11K views · 11:38. Go to channel · This RARE Pontiac Was The&...Worst 2002 Cadillac DeVille Problems #1: Engine Failure 2002 DeVille Average Cost to Fix: $6,200 Average Mileage: 70,000 mi. Learn More #2: Excessive Use Of Oil 2002 DeVilleJul 30, 2020 · One Of the most prevalent and common problems in the North star engines is the head gasket issues, which shows why one could argue the Northstar engine is bad in the Northstar engine good vs. bad debate. Many Northstar engines have reportedly experienced head gasket failure, which can be quite an important and expensive repair.Northstar engines problems Table of Contents northstar engines problems 1. Navigating northstar engines problems eBook Formats ePub, PDF, MOBI, and More northstar engines problems Compatibility with Devices northstar engines problems Enhanced eBook Features 2. Overcoming Reading Challenges Dealing with Digital Eye StrainJul 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 is a much better performer. Around town, the 4.9 usually is quicker until about 45, because of the greater amount of low end torque, but the highway performance of the Northstar is insane! 65-80 in the blink of an eye. As a matter of fact, the highway performance of the Northstar is very close to the around town performance of the ...Northstar low oil pressure alarm. I Replaced The Northstar In My Wife's Eldorado, (headgasket Problems And Overheating With Cooland Loss), With A Used Low Mile Seemingly Good One. When The Engine Gets To Tempurature Especially On Hot Days I Get The Oil Pressure Alarm At Idle. If I Crank The Idle Just A Little It Goes Away Although It Sometimes ...Worst 2002 Cadillac SeVille Problems #1: Engine Stalls/Shuts Off While Driving 2002 SeVille Average Cost to Fix: N/A Average Mileage: 91,000 mi. Learn More #2: Nav System Doesn't Work 2002 SeVille65 posts · Joined 2013. #18 · Jul 3, 2013. Re: Adding STOP LEAK to 2004 Cadillac DeVille Coolant. Factory service manual (1997) says to use Goodwrench or Havoline DEX-COOL and add three engine supplemental sealant (GM #3634621) pellets to the lower radiator hose.We would like to show you a description here but the site won't allow us.When you are meeting someone new, at some point, they'll probably ask, "So what do you do?" If you want to make a good first impression, answer by discussing how you solve problems...Aug 29, 2023 · Starter Motor Problems. The starter motor on the Northstar engine is located inside the engine, which is a unique design. This location can cause the starter motor to get hot and fail. Replacing the starter motor can be a labor-intensive job, but it is necessary if the starter motor fails. 12.GM knows about the engineering northstar engine problem but refuses to accept responsibility for it. - Hawthorne, NY, USA. Add Complaint. problem # 8. Oct 12 2015. DeVille 8-cyl.Remove the two 10mm nuts at the exhaust manifold AIR pipe flange. A long morning with decent tools. Follow the instructions. You may find some oil on one or more plug shells. Normal and not of concern. Cassettes - junkyards or at www.rockauto.com, DELPHI, Airtex, AC Delco - all original equipment. Your engine takes only AC Delco #41-987 ...brougham. We're getting all over the place here. He said it's a 1992. So it has a fuel injected 305 with the same belt setup and overall look as the 350. The only difference engine wise is less performance because of the smaller size. 350 cars also got stiffer suspension and more heavy duty parts.We would like to show you a description here but the site won’t allow us.300ft-lbs@4000rpm. The 4.9 is a standard two-valve pushrod engine. The NS is a four-valve OHC. The NS has higher peak torque and HP numbers, but they happen higher up in the revs. Displacement is a wash, as Cadillac was getting essentially the same 4.9 numbers out of the 4.5 in the Allante with tuned-port injection.Northstar Engine Problems Like Comment Share 610 · 163 comments · 86K views Powertrain Products Inc posted a video to playlist Worst Engines or Not?! · April 20, 2023 · Follow Many of you have been requesting this engine in a …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.Engine: Northstar 4.6L V8 (LD8/L37) Posted October 27, 2015. I never really had bad oil consumption problems either on my press 2000 northstar engines. On my 2002 DTS and 2003 DHS they burn a quart about every 750-1000 miles. I suck about 2 bottles of water through a vacuum line and it helps.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.Northstar and GM Engine Experts since 2008 We have the best parts in the world for these Northstars. Hands down. If you want the best, you came to the right place. Head Stud Kits - Performance Tuning - Upgrades - Repairs Cadillac DTS - Cadillac Eldorado - Cadillac STS - Bonneville GXP - Oldsmobile Aurora - Buick Lucerne & MoreOil loss is one of the most significant defects of Northstar engines. You can avoid them from 2000 to 2005 because they consume excessive oil according to their condition and performance. In such circumstances, the oil consumption increases, and piston damage. The broken pistons do not allow the mixing of fuel with air.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 youIf the fuel pump relay fails on a Northstar V8, the engine should still run because the fuel pump also can be energized through the oil pressure sending unit. A four-coil distributorless ignition with a waste spark set up provides spark to the plugs.All Northstar 4.6 engines will eventually experience the same seal failures and oil leaks. Whether you drive a Deville or a Seville, a DTS or an STS, an XLR or an SRX, and Eldorado or an Allante. 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 ...Running away has always seemed so much easier than facing the problems we have in life. We believe that, if we Running away has always seemed so much easier than facing the problem...4186 posts · Joined 2009. #3 · Sep 2, 2015. You would start with the #1 cylinder at TDC, crankshaft sprocket timing mark at 12:00, intermediate sprocket timing mark at 6:00 so the both timing marks match. Then you are left with the cam timing marks which all need to be 90 degrees from the surface of the head.General Motors Vortec line of V-6 engines commonly suffer from problems with excessive oil consumption and engine knocking. Knocking problems are particularly prevalent in Vortec e...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.It is the standard engine in the high-performance XLR-V roadster and STS-V sedan. Exceptional smoothness, refinement and drivability were the targets for the 469-hp supercharged Northstar V8, which features an all-new aluminum block design and the most power output for any production Cadillac to date. To ensure tight tolerances and strength ...Northstar Engine Fault Codes. Northstar engines are commonly used in applications such as boats, aircraft, and motorcycles. Fault codes are used to describe a problem. These codes have been developed over the years to help track down the problem. There are many types of fault codes, including engine codes. Engine codes are used to describe ...You should do a search as this has been discussed many times.. As long as you maintain the engine, particularly the cooling system, the Northstar is very reliable for hundreds of thousands of miles. Personally, I had 110,000 on a 1995 Cadillac Eldorado Touring Coupe and it still drove like brand new.Would the fuel pressure not exhibit a problem at full throttle? I thought it would be related to one of the serial data problems in the codes. When my '97 Deville had sending unit issue, the car would idle all day, but not take any throttle, that's why I did not suspect it. ... Engine: Northstar 4.6L V8 (LD8/L37) Report; Share; Posted December ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...We would like to show you a description here but the site won't allow us.Oil Advice on 4.6 NorthStar. Hey you guys I was browsing on "bobidtheoilguy.com" for oils advice on using max life next gen high mileage oil on the 4.6 North Star engines and I ran across a post this one actually. "Some Northstar engines were prone to oil burning because they were prone to having carbon deposits on the piston rings.Northstar engines (2000 and later) might leak oil after 50k miles, but that leak comes from the pan gasket. No solution other than to replace the pan gasket. Here is the problem: Gasket is made out of aluminum and is perhaps 3/8 of an inch thick. Gasket is also about 3/4 inch wide on each side. Aug 26, 2014 ... Comments753 ; Block Head Gasket Testing a Cadillac Northstar V8. Auto Auction Rebuilds

Cadillac embraced the future in 1992 when it debuted the Northstar V-8. This all-aluminum engine was as sophisticated as any offered by a premium European automaker, and included dual overhead camshafts, four valves per cylinder and direct ignition. Displacing 279 cubic inches/4.6 liters and sporting an impressive 10.3:1 compression ratio, it ...Northstar engines problems Table of Contents northstar engines problems 1. Navigating northstar engines problems eBook Formats ePub, PDF, MOBI, and More northstar engines problems Compatibility with Devices northstar engines problems Enhanced eBook Features 2. Overcoming Reading Challenges Dealing with Digital Eye StrainI 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 ...Worst Cadillac XLR Engine Problems #1: Oil Leak 2006 XLR Average Cost to Fix: $6,000 Average Mileage: 28,000 mi. Learn More #2: Service Engine Light Is On 2006 XLR Average Cost to Fix: N/A Average ...Feb 9, 2017 · Ask Your Own Cadillac Question. Please confirm if you have seen repeated problems with the value system on the Northstar engines, such as broken or bent exhaust or intake values. And if the GM has covered any of the expenses involved with the repairs. Cadillac Mechanic: Chad Farhat. yes i have seen it a lot.NorthStar Deluxe Horizontal/Vertical Log Splitter - 37-Ton, 389cc Honda GX390 Engine. While the other model of this splitter has the smaller Gx270 installed on it, this model has the larger slightly more powerful Honda GX390 installed. One of the things that I really loved about this engine is just how fuel efficient it is.89563 posts · Joined 2004. #2 · Jul 8, 2016 (Edited by Moderator) GM lengthened the head bolts in 2000 and then went to a coarser thread pitch in '04. Anytime you remove the heads, it is recommended that you insert the block as a precaution (unless you want to gamble and don't mind doing the job twice) and always (per GM) use new head bolts.1 post · Joined 2015. #9 · Dec 12, 2015 (Edited by Moderator) One of the metal coolant tubes on back side of engine is locked into a threaded fitting, It's kind of like fuel filter quick disconnect and it is plastic. These will leak down the back side an pool up on the transmission and burn off.484 posts · Joined 2005. #18 · Dec 2, 2005. the new crate engines available form GM are the northstars in the XLR and SRX, thats ideal if you looking for a RWD engine as the older northstars are front wheel drive, they can be switched around for RWD though.Jun 1, 2010 · Northstar lineage can get a mite confusing. The Seville SLS model actually came with the RPO LD8 (VIN Y) Northstar. Rated at 275 hp and 300 lb-ft, it was designed to provide more low end than the ...Dodge released the Pentastar 3.6-liter engine in 2011. This motor is found in a wide range of Chrysler- and Dodge-branded vehicles. Upon its release, there were a few common proble...Fuel Pump Troubles. Problems in the EFI (Electronic Fuel Injection) pump are common in many Ranger models (like the Ranger 570). The symptoms include a bogging engine, sudden throttle cut downs, backfires, or clogs in the fuel pump. If you have a clogged fuel pump, you may need to push down on the accelerator like your life depends on it.Jul 30, 2020 · One Of the most prevalent and common problems in the North star engines is the head gasket issues, which shows why one could argue the Northstar engine is bad in the Northstar engine good vs. bad debate. Many Northstar engines have reportedly experienced head gasket failure, which can be quite an important and expensive repair.Our "BulletProof Kit" Contains the best parts to ensure your Northstar repair job is successful and durable. What's included? With this kit you're studding both critical areas of the aluminum engine block and you're also adding the …We would like to show you a description here but the site won't allow us.If your misfire moves to #8, then you know it was the coil. Anytime a misfire trips the counter, P0300 will generate. Some GM PCM's and the tool you use will also indicate P030x where the "x" is the affected cylinder (s). Otherwise, you need to monitor, under engine data, the misfire menu and look at current misfires.Northstar engine cadillac v8 2002 motor gm basics aa1car parts tools4 6 northstar engine diagram Cause of head gasket failure & overheating on a cadillac northstarCadillac xlr northstar engine problems.If there are, then there would be an internal engine problem, like a head gasket or head. Of course, you will want to make sure that the system is full, the coolant is circulating, and the cooling fan(s) are working as well as the pressure cap holding pressure. ... 2001 cadillac DTS,175,000 miles, Northstar engine overheats. have flushed enginetwindavid, 03/19/2011. 1998 Cadillac DeVille 4dr Sedan. 21 of 24 people found this review helpful. I have found the Deville to be comfortable, quiet, and surprisingly fuel efficient. The car ...Any problems with that engine have been resolved with a car that is still on the road today. As for price, it is in a downward trend, so don't overpay! ... Northstar engines need to be exercised frequently and hard so you would not be a good match for a Northstar powered car if you use only 1/4 throttle. The engineers that developed the ...The heads were made from aluminum so there is a very serious warping issue on the 1998 Cadillac Northstar engines. There should have been a recall but wasnt, ended up costing me 3 thousand USD to fix the engine problems I had but she now runs fine.Guss put the engine back together perfectly, the first time, no returning for re-fix, ready to run for years and miles to come. My Northstar engine, that has known head gasket problems, has gone from the most negative part of the car to the most valuable. I now have a true performance gem of an engine with strong reliability.Problems with the 2004 - 2005 Northstar LH2 Engine Head gasket failures emerged as a common issue with LH2 Northstar engines, primarily stemming from design flaws. Excessive oil consumption in these engines resulted in substantial carbon buildup, leading to elevated engine temperatures and eventual head gasket blowouts.Tuned with responsiveness and power in mind, the Northstar naturally aspirated 4.6L V8 L37 gasoline engine was part of the original High-Output Northstar System package. Used in models spanning ...Before you buy ANY Cadillac with the VIN Y or 9 Northstar V8, this is a NECESSARY, and cheap test that doesn't require any modifications to the car to perfor...GM knows about the engineering northstar engine problem but refuses to accept responsibility for it. - Hawthorne, NY, USA. Add Complaint. problem # 8. Oct 12 2015. DeVille 8-cyl.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 ...After reading here and advice from others, I am worried about the gasket problems with the Northstar engine. Dealer offered a pretty much full package protection warranty for $2400 ( I negotiated this down about $300 ). This covered all gaskets, plus just about everything else on the car. I declined at time of sale, but I can buy it within 30 days.F. FCSLEVIN Discussion starter. 29 posts · Joined 2018. #1 · 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 …The 2007 Cadillac STS has 4 NHTSA complaints for the engine at 98,750 miles average. CarComplaints.com : Car complaints, car problems and defect information Latest NewsWhat year do you guys say is the best,with out having having to worry about the motor blowing a headgasket? 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. There getting pretty cheap now to.The fuel pressure regulators can be tested. Take off the vacuum line going to the FRP and idle the engine for a few minutes. If you see fuel seeping from the vacuum nipple on the FPR, the diaphragm is bad and the FPR needs to be replaced. That will solve some hot restart problems.The main engine problem reported for your mid-1990s Deville's was a crankshaft position sensor. Of course, you can also get powerful 6-cylinder engines in a Cadillac these days. ... I noticed an extreme oil leakage problem with Northstar engines of the year you mention. Sealing them up was in the 12hr range. Caddyman December 4, 2010, 1:53am ...Dec 23, 2022 · Northstars with failing head gaskets due to cylinder block head bolt hole thread failure do not normally mix oil and coolant or vice versa. You need to perform a cylinder block exhaust gas test immediately after the next overheat. lisle 75500 combustion leak detector - Google Search. Do Google searches for "cadillac forums northstar purge line ...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.Dec 23, 2022 · Northstars with failing head gaskets due to cylinder block head bolt hole thread failure do not normally mix oil and coolant or vice versa. You need to perform a cylinder block exhaust gas test immediately after the next overheat. lisle 75500 combustion leak detector - Google Search. Do Google searches for "cadillac forums northstar purge line ...Crossing 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 ...Problems like this could end up being even more complicated in case the steering fluid comes in contact with the hot engine parts. ... The Northstar V8 engine is already well-known since it's used in some older Cadillac models and it lasts a long time. So, with our pieces of advice and a trusted mechanic, you will be able to enjoy the comfort ...However, many problems had been resolved—just too late. Cadillac sold a record 4670 Allantes starting at $59,975 in the final year, with the hardtop an extra cost option. At 0-60 in 6.3 seconds and 150-mph top speed, the final Allante could pace the Indy 500 in stock form. ... its Northstar engine has a few issues, not least replacing the ...We would like to show you a description here but the site won't allow us.81 posts · Joined 2014. #1 · Jun 17, 2014 (Edited by Moderator) I've read on this forum that GM somewhat addressed the headgasket issue in year 2000 and revamped the headbolts around 2005, so I assume all the Northstar-equipped vehicles from 2005 and beyond should resist the headgasket issue much better than the ones made prior to.527817. 107 posts · Joined 2014. #4 · Sep 12, 2016. the problem with the head gasket on earlier northstar engines is that the bolts can't be reused to bolt the head down. 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 ...Nov 10, 2022 · Failures of the head washers are frequent regarding the 2004 Northstar engine problems. The LH2 Northstar engine was at risk of overheating because of design flaws. When the engine consumes far too much oil, more carbon accumulates. The buildup of carbon causes a rise in the temp of the vehicle engine. Consequently, the head gasket can blow out.A failing ignition control module can be a real headache at times. It can produce a wide range of engine performance problems, including preventing the engine from starting or stal...Mar 31, 2024 · The Cadillac Northstar is a legendary engine that powered many luxury cars, but it also has a reputation for being problematic and complex. Learn about its history, features, and common issues, such as head gasket failures, in this article.GM knows about the engineering northstar engine problem but refuses to accept responsibility for it. - Hawthorne, NY, USA. Add Complaint. problem # 8. Oct 12 2015. DeVille 8-cyl.758 posts · Joined 2011. #8 · Nov 26, 2012. 1) Find out were the oil is leaking from. Start at the top of the motor, Valve Cover Gaskets (the rear has been a problem for a long time).Bolts louse at the front cover and oil pan. A lot of the 06 -08 DTS, The motor is not level and tilts to the right, so you mite think its coming from the front seal.The main engine problem reported for your mid-1990s Deville's was a crankshaft position sensor. Of course, you can also get powerful 6-cylinder engines in a Cadillac these days. ... I noticed an extreme oil leakage problem with Northstar engines of the year you mention. Sealing them up was in the 12hr range. Caddyman December 4, 2010, 1:53am ...Coolant question, 4.6 northstar. Went to oil place to get oil changed yesterday, and decided to have the coolant flushed and to do it every year. The tech was surprised to see it was the green stuff. He said when they flushed the dexron red stuff out they should have used some of this special cleaner because their is still some red residue ...GM knows about the engineering northstar engine problem but refuses to accept responsibility for it. - Hawthorne, NY, USA. Add Complaint. problem # 8. Oct 12 2015. DeVille 8-cyl.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. And with the 'Northstar Condition' affecting ... Fit and finish are exemplary. Make sure you bleed the Teves brake system annuall

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Northstar Engine Problems. Blown Head Gasket; Rear Main Seal Oil Leaks; Valve Cover Oil Leaks; Excessive Oil...

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In this video will be diagnosing a cylinder misfire on a Cadillac DeVille 4.6 L Northstar motor. I...

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However, the first Northstar engines weren’t short of problems. The most prominen...

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Northstar coolant loss. I own a 1993 Eldorado TC. It has 110 000 km. I already ordered and changed 2 Nor...

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Oct 16, 2016 ... Go to channel · The Northstar 4.6L Engine Problems. Powertrain Pro...

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Install 4 10mm bolts in water pump housing cover and tighten. Re-install clamp on bypass hose and tigh...

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The Northstar V8 engine family is General Motor's top-of-the-line luxury power plant...

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