Northstar engine problems

Remove the air deflector. Remove the oil filter adaptor. Disconnect the crankshaft position sensor electrical connector. Remove the crankshaft sensor retaining bolt. Remove the crankshaft sensor. I got as far as removing the air dam, and when I got back underneath the car, I could see the oil filter and the oil cooler lines, among others.

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.Aug 7, 2006 · 89563 posts · Joined 2004. #2 · Aug 7, 2006. Head gaskets can be a problem on any aluminum engine. Proper cooling system maintanence it the best provention, though not a guarantee. I sold my '97 with 107K and never had a problem. Many here have much higher milage with no problems.Mar 14, 2023 · In this article, we’ll discuss some of the most common Polaris Ranger 570 problems and offer practical solutions to get you back on the trail. From electrical issues to transmission troubles, we’ll cover it all. Starting Problems, Engine Problems, Reverse Problems, Shut off while driving, Overheating Problems, Transmission Problems, Clutch ...Jul 9, 2012 · Change the oil, flush the coolant, change plugs and cables (ac delco 41-950 plugs ONLY) do a block test. Struts and shocks are roughly $800 a wheel for this car. Check for oil leaks at the case halves, if weeping let it do so, if its leaking pretty bad youre looking an extremely costly repair.Oil 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.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.The Car Wizard highlights the design flaws of the late '90s thru early 2000's Cadillac Northstar V8 engine and how they can be fixed.🔮🔧 AMAZON AFFILIATE ST...

After doing extensive research on the Northstar Engines. I have found the problem of what happens to the Head Gasket issue. So again after extensive research. Asking mechanic after mechanic even calling the local Cadillac dealers in my area and scouring the web. I finally found a good Mechanic who knew what the heck he was …northstar engine problems Fact-Checking eBook Content of Gbd 200 Distinguishing Credible Sources www.tropical-islands.com is committed to upholding legal and ethical standards in the world of digital literature. We prioritize the distribution of gm northstar engine problems that are either inWhile 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 or oil leaks.Your engine - high mileage - total rebuild by yourself with help - $2,500 to $3,500 and a LOT of personal time and labor. Look at these sites - www.northstarperformance.com , www.carrollcustomcadillac.com, www.huhnsolutions.com. Premium Member.Engine Cranking, No Start. Here are the common issues that can cause your DeVille to crank but not start. Your car's engine needs air, fuel, and a spark to run. It is highly likely that if the engine is cranking but not starting that it has thrown an OBDII code. Use an OBDII scanner to check and see if the engine has thrown any trouble codes.Is this the first teardown video you've seen on this channel? There are over 110 more as I upload one a week every Saturday evening! Check out my other teard...6 posts · Joined 2012. #1 · Jan 15, 2012. Ok I hope I am in the the right forum. As I have been reading about the Northstar 4.6 it has a history of overheating while driving down the hwy. My problem is mine overheats while at idle or low rpms. When driving down the hwy it seems to run fine. I have had it in the shop, run a car fax on 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 Problems

Oil 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.A simple question about eliminating the fuel cut on my 94 ETC Northstar engine, currently on a test bench with factory wiring harness and ECM. I have wired a Passlock II into the PCM and the PCM is receiving the appropriate rmf signal of about 3VDC. ... I had same problem with a 94 3.4 swap and found the correct resistance for the passkey ...Why I didn't include the Northstar on my infamous list.We would like to show you a description here but the site won't allow us.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 engineOil 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.

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Cadillac Mechanic: Jerry Newton. Timing chain problems on Northstar engines are virtually unheard of. Head gaskets, on the other hand, are a much more common problem. Specifically, broken head bolts and stripped threads in the block. However, the symptoms accompanying a head gasket failure don't include dark grey smoke.Dec 3, 2010 · Sealing them up was in the 12hr range. Caddyman December 4, 2010, 1:53am 7. The NorthStar was originally designed by Lotus as a racing engine. It’s all aluminum split crankcase 32 valve design makes it somewhat unreliable as a passenger car engine…But they sure are fun when they are running right!This is a video showing how we repair our Cadillac Northstar engines without using inserts. We have been repairing these engines for 15+ years and this has ...54 Posts. #23 · Nov 16, 2017. My 01' went 200K miles before I had to have engine out service for a broken flexplte. Ended up going to Northstar performance for the work and had headgaskets/studs done while it was out. Short answer is, at no point throughout the FWD Northstars life did GM ever totally solve the problem.

Radiant floor heat has existed for millennia. It was originally constructed by ancient Chinese engineers, built upon by ancient Roman inventors, and Expert Advice On Improving Your...1993 Allante problems. to replace front pass pull-down, rear glass molding and struts for the top cover. During the long stay the newish battery died after one too many jumps .... fan relays soon died (replaced), then the tach became an off an on thing & also idle can drop to 200 now with rough running? Any ideas?i've only recently found out about the problems with the pre-2004 head bolt problems on northstar engines. and it has me very skiddish about buying anything with a northstar engine before 2004. ... if you have a car lets say between a 2000 and 03 with a northstar engine, you do the test and it passes the test, is there anything to prevent the ...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)Learn about the main issues that affect the Northstar V8, such as low oil pressure, carbon buildup, head gasket failure, and more. Find out the causes, symptoms, and solutions for each problem and the average cost to fix them.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 ...If low speed fans cannot keep the temperature under control, the fans will turn on high speed at 234 degrees F. A few degrees of fluctuation is perfectly normal- so an engine temperature of 195 to 238 degrees F is perfectly normal for a Northstar and is NOTHING to be alarmed about. Cooling Fans come on Low Speed: 223 Degrees F, or 106 Degrees C.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 …To repair the head bolt problem requires a complete teardown, rethreading the holes & replacing the head bolts. Some repair shops refuse to replace a Northstar head gasket, the ones that will, the starting price is $2,400 up to $4,500. Many suggest "just replace the engine". Replacing the engine is in the $6,000 to $7,000 range.

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 minimum ...

The Northstar engine was NOT part of the class action suit against GM. As with any coolant, you neglect the maintenance and proper change intervals, you have problems. You are perfectly free to run any coolant you please in a Northstar as long as you properly maintain the system and perform recommended exchanges - maybe even changing the ...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)The 2002 Cadillac DeVille has 5 problems reported for engine failure. Average repair cost is $6,250 at 70,600 miles. ... DeVille 4.6L Northstar. Automatic transmission; 70,000 miles;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 ...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.Jan 19, 2018 · Hey gang, A fella at work who knows a lot about cars & engines told me a problem with some of the Northstar 4.6 V8's. He claims that the earlier engine block castings were prone to fail due to porasity in the casting. He claimed that GM's "fix" was to offer coolant "pucks" to add to your coolant to stop erosion of the engine block.Jan 25, 2022. I own a 2020 Polaris Voyageur 550. I was aware of chronic issues with respect to earlier Polaris 550 engines that seem to have been related to over-heating with the intake being situated too close to the exhaust manifold. From what I've read, it appears this problem seemed to disappear around 2010, which is why I went ahead and ...A prevalent issue with the Cadillac DTS Northstar engine is its oil consumption. Several factors can lead to excessive oil usage, with oil leaks being a common occurrence even …

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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 ...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.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)Here is a brief history of my cooling problems. 1.) Water pump was leaking fixed by local shop, I personally did a pressure test of the cooling system afterwards and check out fine. 2.) Took car back to shop, for them to help me figure out way the COMPUTER displayed on the dash the car was getting hot. Found that the Rad cap upper seal was ...The 2006 Buick Lucerne has 21 NHTSA complaints for the engine at 65,570 miles average. (Page 1 of 2) ... engine problem. ... 4.6L northstar engine leaks oil, and when driving you can smell hot ...It would be a lot easier if the front cover was taken off and press in the seal with support on the back side. You could get a piece of flat plate drill a hole in it for the crankshaft bolt to go through and use it and the crank shaft bolt to press in the seal. Again do not compress the front cover. Like. M.27 posts · Joined 2009. #5 · Jan 11, 2010. This valve is in the end of the intake manifold. You have to pull intake, remove the fuel rail and twist over-pressure valve a quarter turn and the pop it out with something long enough to go through the intake (after you take throttle body off) you probly only need to replace o-ring. Like.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. ….

Dec 9, 2009 · ben.gators. 5855 posts · Joined 2009. #2 · Dec 9, 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. Like.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 ...Engine Restore is one of the finest products on the market for older vehicles, my Jeep with 200K+ likes a can with each oil change, gets better gas mileage and runs cooler and quieter. ... "Success" in the case of the Northstar head gasket problem is a moving target. A couple of members have gone 7,000+ miles with either Thermagasket or another ...Learn about the main issues that affect the Northstar V8, such as low oil pressure, carbon buildup, head gasket failure, and more. Find out the causes, symptoms, and solutions for each problem and the average cost to fix them.electrical problems 1 NHTSA complaints: 2. suspension problems 1. windows / windshield problems 1 NHTSA complaints: 2. fuel system problems NHTSA: 8. brakes problems NHTSA: 7. engine problems ...Jun 17, 2020 · Well this must be a 2006 thing with the 4.6 Northstar because on the Cadillac forums the 4.6 engine is said to be far better from 2003 on up with much improved head bolt and intake/head gasket design.The Northstar engine range featured an aluminum block with four valves per cylinder, and first debuted in the 1993 Cadillac Allante roadster and the Cadillac Eldorado. ... The central problem with ...Engineering teams face steep challenges when it comes to staying on schedule, and keeping to those schedules can have an impact on the entire organization. Acumen, an Israeli engin... Northstar engine problems, Personally, I would change coolant - ANY coolant - every 3 years, religiously. The car runs DEX-COOL, the truck runs Ford Coolant - a similar long life coolant, and no problems. Cadillac allows a coolant/water ratio of between 50/50 and 70/30. I usually run near 60/40. Premium Member. If it won't run, chrome it. Maryland Eastern Shore., I 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 ..., If your Cadillac has the 4.6l Northstar engine, then there is a potential for that problem. The issue is that the block is aluminum and the head bolts are steel. There is a chemical reaction to steel in aluminum that causes the aluminum to corrode and weaken. The result is that the head bolts get pulled out of the block once the threads get too ..., 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., Jun 17, 2020 · Well this must be a 2006 thing with the 4.6 Northstar because on the Cadillac forums the 4.6 engine is said to be far better from 2003 on up with much improved head bolt and intake/head gasket design., 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 root cause was corrected on the 2000+ engines. On 2000+ car they fixed the brakes, susupension, Apperance, Fuse box, and I can go on and on. It is part of evolution. They took a junk 4.9L and fixed it. The designed the Northstar. They fixed the first gen by making the second and third. They are fixing the Low powered Northstar., Engine and Performance Issues. The Cadillac XLR is equipped with a 4.6-liter Northstar V8 engine that generates 320 hp and 310 lb-ft of torque.. Despite its impressive output, the XLR's V8 engine has had common problems, some of which include: Carbon Buildup: This affects your engine's performance, causing poor acceleration and fuel efficiency. Water Pump Failure: A malfunctioning water ..., 1999 STS Northstar problems. Hello, I am new to this forum and not a Cadillac owner yet. I am currently looking at a 1999 sts with the northstar v8 and i have some questions / concerns. It has 160xxx miles the power steering gets tight and loose here and there. there is a strong smell of anti freeze throughout the car but the current owner ..., 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 enhancements and longevity ..., 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 ..., Jun 29, 2023 · Engine and Performance Issues. The Cadillac XLR is equipped with a 4.6-liter Northstar V8 engine that generates 320 hp and 310 lb-ft of torque.. Despite its impressive output, the XLR’s V8 engine has had common problems, some of which include: Carbon Buildup: This affects your engine’s performance, causing poor acceleration and …, An engine oil analysis may help diagnose car problems. Learn how engine friction and gas mileage are related at HowStuffWorks. Advertisement Everyone knows it's important to have y..., 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 enhancements and longevity ..., 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 ..., Repeat this three times. Start the engine and allow the engine to warm up completely. It should be at normal idle speed at about 550 rpms. Hold brake and put in Drive, continue to hold brake. Then turn on climate control system and let it run for a while. Turn off the climate control and return the car to park., Why I didn't include the Northstar on my infamous list., Top 2006 Cadillac DTS Problems. Oil Leaks From Lower Engine Area. 316 people have reported this. 139. Steering Wheel Position Sensor May Fail. 80 people have reported this. 24. Rubber Transmission Cooler Lines Can Leak Fluid. 46 people have reported this., Check out our Cadillac STS overview to see the most problematic years, worst problems and most recently reported complaints with the STS. 2005 Cadillac STS engine problems with 26 complaints from ..., A prevalent issue with the Cadillac DTS Northstar engine is its oil consumption. Several factors can lead to excessive oil usage, with oil leaks being a common occurrence even …, 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 ..., My problem: I have a 97 ETC w 4.6L Northstar engine. The car has 172,000 miles on it (I am original owner) but the engine only has 95,000 miles. Was replaced at about 77,000 miles. My current problem is "oil pressure low STOP ENGINE" line comes on after the car is warmed up. As long as I am giving the car gas, the light is out., 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 ..., i've only recently found out about the problems with the pre-2004 head bolt problems on northstar engines. and it has me very skiddish about buying anything with a northstar engine before 2004. ... if you have a car lets say between a 2000 and 03 with a northstar engine, you do the test and it passes the test, is there anything to prevent the ..., 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., Top Cadillac XLR Problems. Steering Wheel Position Sensor May Fail. 14 people have reported this. 4. Check Engine Light Due to Gas Cap Issue. 10 people have reported this. 1. Contamination of extended life coolant. 6 people have reported this., Basically, Vin 9s are identified as ETCs while Vin Ys are ESCs. I have a '98 ESC which I love. It is black on black with chrome wheels. Often ESCs are equipped with aluminum wheels. Vin 9's engines are rated 300hp while Vin Y's are 275hp. Both are great engines. Good Luck, RDH, To order, select your kit below by determining the year of your Northstar powered car, and click add to cart. You can also call us direct at 888-800-9470. Leave a message if you don't get an answer, we return calls promptly. If we don't answer it just means we're wrenching away on a Cadillac, or packaging stud kits., Reasons To Avoid. The engine can overheat and crack valve covers, causing oil spillage. The original L37’s pressure relief valve is problematic. The engine’s oil pressure can …, 4.6L lower crankcase reseal, Carbon build-up in an engine is a widespread automotive issue that can hinder your vehicle's performance over time. While this might seem like a technical concern only mechanics need to worry about, it has a real impact on your vehicle. A clear understanding of carbon build-up can help you better maintain your vehicle and address potential problems early., Feb 1, 2019 · The first Northstar engine, RPO Code L37, was launched in the 1993 Cadillac Allante roadster and the Cadillac Eldorado. It displaced 4.6 liters and delivered 295 horsepower and 290 pound-feet of ..., 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 ...