Cadillac Northstar Overheating Causes

The popular 2000 and 2002 Cadillac DeVilles are prime casualties, with the engine tending to overheat due to a leaking head gasket. The fact that the return line to the surge tank was restricted may have everything to do with the overheating problem. I have noticed that Cadillac still uses the Northstar V8 (until July '10 according to Wikipedia, but I see it still in the Did Cadillac ever "fix" the head gasket issue on the Northstar? (2011, versus) - Chevrolet, Cadillac, Buick, and GMC -Car forums - City-Data Forum. I was told it could be a head gasket. After 3 Years of Field Testing, Steel Seal Is Pleased to Announce a 94% Success Rate on Their Cadillac Northstar Engine Repairs Philadelphia, PA -- ( SBWIRE ) -- 04/02/2014 -- Steel Seal is pleased to announce the highest success rate of the special formula that specifically treats Cadillac Northstar engines. OK here is what I have: Car overheats. Cadillac Cue Problems Cause Class Action Engine began overheating and took it to our mechanic who. 194,000 miles). Leaking coolant is one of the more common types of fluid leaks on DeVilles. "My Cadillac DTS was overheating and pushing water right out of the overflow tank, I used your Dura-Seal and now I can drive all day without any overheating issues" Desmond H. Our remanufactured Cadillac Northstar 4. My sympathies to any Cadillac technician on a FWD Northstar. Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. Hi, great site btw. I HAVE BEEN WORKING ON THE CADILLAC NORTHSTAR ENGINE SINCE 1993. With your coolant at the correct level, does your Cadillac run hot when running at high speed (65mph or so) or when going up steep hills? If so, you possibly have a bad head gasket. So recently my truck has been overheating, i have replaced the water pump cause it started with a leak there, then replaced the radiator cap, now the thermastat , i have noticed it will overheat as i drive and cool down when im parked. We averaged 16 mpg in a Touring Coupe and 18 mpg in a Northstar-engined base coupe. Learn what causes a car to overheat and what steps you can take to prevent it from happening. I don't know what it is, but more and more I am seeing these Cadillac Northstar engines coming in with leaking water pump crossover housings. Hi, great site btw. 6L Remanufactured Engine 1997-2003 Cadillac4. We are Cadillac Northstar Engine Repair Experts If you have a Northstar Engine that has massive oil or coolant leaks we can help! If you have been told that your Head gaskets are leaking on your Northstar Engine We can fix it we have the ability to Fix and update that engine. Repair Information for P0741 Cadillac code. During Closed Loop, the ECM adds HO2S inputs to calculate the short and long term fuel trim (FT) adjustments. Is a 96 cadillac deville northstar the same, have an all aluminum head gasket?Is it the same as what?. Hey Guys Thanks for checking out my post. 0 hour of labor. I have an overheating problem. If this is not the case and all above suggestions are exhausted, pull the rad and have a new core installed. General Motors is recalling 10,005 2004-'07 Cadillac CTS-V and 2006-'07 Cadillac STS-V sedans in the U. If the hose is clear, check for blockage at the nipple on the tank. 3- coolant gets in your oil or vice-versa. Click on the FAQ's above to see if your Northstar may be in need of head the gasket repair. But i am sure that i never had white smoke come out of my tailpipe, and if the intake manifold gaskets were sealing, no water should have gotten into the combustion chamber. Also the CUE screen is no longer under warranty. If the hose is clear, check for blockage at the nipple on the tank. And, is very expensive to repair. If the problem is caught quickly you can save the headache of a major engine repair and possibly having to buy a 2000 Cadillac Deville Car Overheating. With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating. Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. Before we get into the causes of vehicle overheating, let’s help minimize the potential damage to your car NOW until you can get it into a shop: 1- Turn off the AC immediately. I have bleed the bleeder screw. An overheating engine can cause more problems especially if you let it go too long and end end up cracking your block. During the failures, the engine overheat light would illuminate on the instrument panel. I have a 200 Cadillac deville dhs 8 cylinder northstar. Northstar broken valve spring. There is only 4 problems with a Northstar equipped car. Also the CUE screen is no longer under warranty. do NOT contact me with unsolicited services or offers. after this I'm doing a complete breakdown with new cooling parts. 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. Re-assembled engine and retested: Smooth running engine / no more misfire codes!. This is measured from the top of the block to the first starting thread 35mm. An example where the reason for the overheating was not the cooling system but the tune-up is a 1947 Cadillac with a 500 cubic inch Cadillac engine that belongs to a local car collector; after everything in the cooling system had been changed, the car was brought to us to see if we could help. I have a 1999 Cadillac Deville Concours with 78,000 miles. The Northstar was designed to produce more power to compete with BMW, MBZ, and new luxury cars like Lexus & Acura. 1997 - 2003 Cadillac Deville. It was the first GM production V-8 built for overhead cams, and the last of the "non-corporate" V-8s the company would ever use. That said, cooling systems need pressure to function, so even a small leak that hasn't drained a lot of coolant can cause problems. do NOT contact me with unsolicited services or offers. Why is my 2000 Cadillac Deville over heating and I have change the radiator, thermostat and the water pump. Can dirty coolant cause high idle in cadillac' s? No, coolant only keeps the motor from freezing or overheating, it otherwise has nothing to do with the performance of an engine. Also the CUE screen is no longer under warranty. Re: 1996 Cadillac Concours Overheating while driving (can idle all day) Sign In depending on what they do,i think most cadillac dealers are up around 100 plus bucks an hoursome,like the last dealer i was at are using a matrix type labor scalethat increases the labor big time,retro to the first hour after 2 plus hours of labor. This paticular engine was an early model, so it did not have the coil over ignition like the newer ones. I HAVE BEEN WORKING ON THE CADILLAC NORTHSTAR ENGINE SINCE 1993. When you're ready to replace the alternator of your vehicle, choose a high-performance Cadillac DeVille alternator, which keeps your battery powered up. If this isn't possible, get a Northstar made after 2000. My 2002 Cadillac Deville also overheats to the max on the temp indicator however while on the highway the temp maxed out and then a few minutes later it went back to the normal operating range. i bought a cadillac deville with a 4. The 1999 Cadillac DeVille has 5 problems reported for over heating. All of those are known to cause leaks after so many years of heat cycling. The 97-99 northstar has the highest headgasket/headbolt failure rate. Is it possible that the air conditioner would cause an issue? The A/c was running both times that it overheated. This fairly new cause is the failure of threads for the head bolts in the aluminum engine block. It causes damage to the engine each time overheating occurs. Guess what? Your vehicle is overheating* and you need to do something about it RIGHT NOW. Mechanic has tried a number of repairs, and none of them were worked to stop this oil usage. Consumer states engine stalls and coolant leaks, the engine was also overheating and the vheicle was blowing blue smoke. Recommended Northstar Repair Facilities Having recently suffered a blown head gasket (and then some!) on my 98 Eldorado ETC, I wanted to make sure that the shop I took my car to to get fixed would know what they were doing with my car. The fact that the return line to the surge tank was restricted may have everything to do with the overheating problem. I have a 1996 Cadillac Seville with the Northstar V8 Engine. Leaking coolant is one of the more common types of fluid leaks on DeVilles. Northstar engines can be found in Cadillac garages and via online websites. Steam or Water From Your Hood If you're wondering what causes a car to overheat, one of the biggest culprits is low coolant levels. problem with engine and engine cooling. It may be losing coolant and you can't explain where it's going. Sucks, as the car was such an awesome drive for a while, but the $$$$ I've spent on this car just to try and fix this and that is ridiculous. I don't know what it is, but more and more I am seeing these Cadillac Northstar engines coming in with leaking water pump crossover housings. Either that or by it cheap and yank out that crap engine. 1999 Cadillac Deville, Have Problems Either A Cracked Head, Block & Head Gasket With This Engine And The Dealer Say Its Not One Of Them With My Vin # Bullshit, They Just Don't Want To Pay To Replace A Defective Engine Knowing Theirs A Problem. There are three ways the head gaskets can fail on a Northstar. Some overheating problems aren’t related to the cooling system at all. There is only 4 problems with a Northstar equipped car. Hello there, many different faults can cause your 2001 Cadillac DeVille to overheat. Flushing and other methods will do you no good. Thermagasket…. I work in a Cadillac dealer and I can tell you that from your description of your problems it sure sounds like a head gasket failure. Why is my 2000 Cadillac Deville over heating and I have change the radiator, thermostat and the water pump. Hey Guys Thanks for checking out my post. 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. That's rather a small leak to cause severe overheating, but I guess it leaks faster with the system pressurized. I was told it could be a head gasket. The Northstar engine series is a family of automobile engines designed by General Motors. The first of a series of videos we're releasing. 1997 - 2003 Cadillac Deville. I have a 200 Cadillac deville dhs 8 cylinder northstar. Often times the higher the load, the more super-heated combustion gases are introduced into the cooling system. com, the official. An overheating engine is a definite indication that something is wrong. Oil consumption with a Northstar engine is normal. On extremely hot days, your pool pump may shut off because it simply cannot pull enough electricity from the grid. During Open Loop, the ECM determines fuel delivery based on sensor signals without heated oxygen sensor (HO2S) input. You can also find other images like images wiring diagram, images parts diagram, images replacement parts, images electrical diagram, images repair manuals, images engine diagram, images engine scheme diagram, images wiring harness. It keeps overheating. Click on the FAQ's above to see if your Northstar may be in need of head the gasket repair. Average repair cost is $310 at 76,600 miles. The 1999 Cadillac DeVille has 5 problems reported for over heating. Overheating (Engines) Cadillac Northstar is a a type of motor car engine produced by the American compant Cadillac. 68,887 2013-14 Cadillac ATS and 21,863 2014 Cadillac CTS sedans. My Car is Over Heating - What Causes This to Happen? Reader Question: My car is overheating, what causes this to happen? Love your site, John Harrison. The comfort level is very good because of a smooth ride and roomy. The contact owns a 1998 Cadillac Deville. Why is My Car Overheating When the AC Is On?. The Northstar was designed to produce more power to compete with BMW, MBZ, and new luxury cars like Lexus & Acura. I have had the blue devil sealer put in the big bottle they only used half I have had my thermostat, water pump, temp senor, and my spark plugs changed and my car is still running hot, I am at a lost and have spent a lot of money. 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. Common problems with the Northstar Engine usually relate to dealing with stripped head bolts. The most common overheating problem with the Northstar engine is a blocked purge line. i bought a cadillac deville with a 4. Learn more about the 2000 Cadillac Seville. Since the introduction of the Cadillac Northstar engine they have been plagued with cooling system vapor locking problems and head gasket failure!. The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Common Causes of an Engine Overheating. There are three ways the head gaskets can fail on a Northstar. With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating. 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. Click on the FAQ's above to see if your Northstar may be in need of head the gasket repair. 68,887 2013-14 Cadillac ATS and 21,863 2014 Cadillac CTS sedans. 6 liter engines are being shipped daily to warranty companies, Cadillac dealerships, engine repair facilities and directly to Cadillac vehicle owners. Get reliability information for the 2008 Cadillac DTS from Consumer Reports, which combines extensive survey data and expert technical knowledge. Cadillac DeVille overheating? Unfortunately this is a common issue for this model of Cadillac. Learn about your vehicle's service history, warranty, recall and more at your Cadillac Owner Center. This is my first car. The first of a series of videos we're releasing. 6 engine the engine runs great i can have the car running at idle for about 1 hour and the tempeture is normal. 1999 Cadillac Deville, Have Problems Either A Cracked Head, Block & Head Gasket With This Engine And The Dealer Say Its Not One Of Them With My Vin # Bullshit, They Just Don't Want To Pay To Replace A Defective Engine Knowing Theirs A Problem. USUAL CAUSE The most common cause of an engine overheating condition is a defective thermostat. Can dirty coolant cause high idle in cadillac' s? No, coolant only keeps the motor from freezing or overheating, it otherwise has nothing to do with the performance of an engine. I replaced the fluid and drove it to my mechanic. com FREE DELIVERY possible on eligible purchases. Power for the 1993 Allante was a generous 295 HP and 290 lb-ft, all to the front wheels. Repairs all head gasket symptoms including overheating, coolant loss, and pressure in system. When it starts to overheat if I rive the engine the gauge goes back to normal, then starts to rise again. 6L Northstar 2000-2005 Cadillac Deville Seville or Eldorado Bonneville GXP Olds Aurora 4. An overheating engine can cause more problems especially if you let it go too long and end end up cracking your block. 6 DOHC 32 Valve Cadillac Northstar Engines. You can read more here and make your cookie choices. If your transmission is running hot, be aware of possible causes. Mechanic has tried a number of repairs, and none of them were worked to stop this oil usage. The Northstar engine needs to have the thermostat installed or all sorts of temperature issues will result. This is just one of the solutions for you to be successful. For a while it has been saying Coolant Level Low, and Change Oil. It has to be one of the nicest surviving examples from the first Northstar year, and while it probably wasn't the best choice for a 10-day vacation that. Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. com : Car complaints, car problems and defect information. If you are experiencing coolant loss in the form of a leak, refer to the "Coolant Loss" symptom on this site. The contact stated that while driving at various speeds the vehicle would stall due to the engine overheating. Radiators cause overheating not engine parts. Many head gaskets have been blown out. An overheating car is a sign that something is wrong, and you can be in line for major repairs if you ignore the issue. I know its possible to convert a l98 to a lt1, and people have done it with Lb9s as well, how hard is it, and what do you need to modify? I also have a cadillac northstar engine with a cracked block, can any parts go on my 305, heads etc? Will it be pointless? I already have a fresh 305, I dont want a 350. No, your EGR problem is not at all related to your overheating problem! There are hundreds of threads on here about the common causes for overheating. Cadillac embraced the future in 1992 when it debuted the Northstar V-8. Check for coolant flow at the Purge line,this is a common problem on the Northstar. The compressor can overheat due to the failure of other components. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary,. We dont use dex cool in them! Check To See That The Oil Jugs You Buy Have The Exact Amount Of Oil In Them And Have An Inner Seal Under The Cap. I really dont have alot of money so I just bought new Coolant and new 10-30 Oil which was specified for the car. I have noticed that Cadillac still uses the Northstar V8 (until July '10 according to Wikipedia, but I see it still in the Did Cadillac ever "fix" the head gasket issue on the Northstar? (2011, versus) - Chevrolet, Cadillac, Buick, and GMC -Car forums - City-Data Forum. That's rather a small leak to cause severe overheating, but I guess it leaks faster with the system pressurized. There is a small diameter hose coming from near the top of the coolant tank,this is the purge line. Cadillac claimed that both Northstar engines yielded 0-60 mph acceleration of 7. An overheating engine is never a good thing to have happen. Overheating of the engine may cause the cylinder head to expand, severely straining the head bolts and damaging the threads in the engine block. Learn what does P0741 Cadillac Torque Converter Clutch Circuit Performance or Stuck Off means, location and how to repair? The torque converter clutch solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from. If the thermostat is "stuck" it can close off all coolant to the engine…thus overheating and no heater heat will result. The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. I have bleed the bleeder screw. The best part is, our Cadillac DeVille Coolant Reservoir products start from as little as $15. view details; oct 13, 2008 - englewood, nj - engine and engine cooling. The comfort level is very good because of a smooth ride and roomy. After 3 Years of Field Testing, Steel Seal Is Pleased to Announce a 94% Success Rate on Their Cadillac Northstar Engine Repairs Philadelphia, PA -- ( SBWIRE ) -- 04/02/2014 -- Steel Seal is pleased to announce the highest success rate of the special formula that specifically treats Cadillac Northstar engines. Highway I'm fine the temp satys aroung 199 to 205 but as soon as I get in the city the car starts to run hotter. Pulled over & after a short cooling off inspected the Radiator cap, it was old and bad. There are typically two weep holes in a water pump. I have a 1996 Cadillac concours with a northstar engine. The thermostat should open and close as the engine temp moves up. The Cadillac Northstar ignition system on a factory 1993-1999 Northstar engine is composed of an ignition module, four coils, a crankshaft trigger wheel, two variable reluctance crankshaft position sensors, and a cam sensor used for SFI operation by the PCM. i can also have it running up in the lift running and after running it for 30 miles the the tempeture still normal i can go up to 60 on the lift and the tempeture. My 2002 Cadillac Deville also overheats to the max on the temp indicator however while on the highway the temp maxed out and then a few minutes later it went back to the normal operating range. Overheating can be extremely bad for a car. I have bleed the bleeder screw. the car still overheats. Inside the thermostat housing the thermostat pin inserts into a hole that is on top of a column which is part of the thermostat housing mold. I have a 2000 Cadillac SLS with a overheating problem. Repair Information for P0741 Cadillac code. However, there are numerous items that can cause an overheating condition. 5-liter V6, 4. The best way to find if that is the case is to go to napa auto parts and get a block tester and check to see if there are exhaust gasses in the coolant reservoir, if so it is the headgasket problem and will range anywhere from 2-5k to get fixed. During Open Loop, the ECM determines fuel delivery based on sensor signals without heated oxygen sensor (HO2S) input. The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. I just don't know how to get the air out the system if there is any in it that's cause overheating. Cadillac embraced the future in 1992 when it debuted the Northstar V-8. There are three ways the head gaskets can fail on a Northstar. 3- No, seriously. 6L V8 Northstar engine, so I'm thinking head gaskets…? The dealer got the keys from me and said he'd check it out, do a pressure test, and they have not tried to pull any "sorry about your luck, you're on your own now, papers are signed" BS. Changed water pump, radiator cap, thermostat, checked purge line fluid flowing. There are 4 gaskets between this housing that are often times overlooked when doing just a water pump. my 2000 cadillac Seville Northstar motor is overheating, I changed the thermastat with no luck what do I do? I need my vehicle asap for work. An overheating engine can cause more problems especially if you let it go too long and end end up cracking your block. You can also find other images like images wiring diagram, images parts diagram, images replacement parts, images electrical diagram, images repair manuals, images engine diagram, images engine scheme diagram, images wiring harness. When it starts to overheat if I rive the engine the gauge goes back to normal, then starts to rise again. It contains a magnesium sacrificial anode designed to attract and absorb electrical energy that may cause electrolysis and shorten the life of the coolant. (185 people reported this problem). Cadillac claimed that both Northstar engines yielded 0-60 mph acceleration of 7. Further I expect the main cause and reason a lot of Northstar engines end up overheating and needing head repairs is due too bad driving and maintenance skills ie. 2- Turn on your defroster and your heat to HOT, fan on High. Hello there, many different faults can cause your 2001 Cadillac DeVille to overheat. With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating. Promar Precision Engines have been pioneers in remanufacturing the 4. Why is My Car Overheating When the AC Is On?. A bad gasket in either location can cause your engine to run hot, to lose coolant, and–ultimately–to score the cylinder liners as a result of overheating and/or burn out the main bearings as a result of dilution/contamination of the motor oil. An overheating engine is usually more than a bummer, If you do not take. My 2000 Cadillac Deville northstar motor is overheating and loosing coolant. 2000 cadillac deville overheating. With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating. Images are from the brochure collection of the author. From its classic frame to its luxury features, your Cadillac DeVille turns heads, no matter where you drive it. Re: 1996 Cadillac Concours Overheating while driving (can idle all day) Sign In depending on what they do,i think most cadillac dealers are up around 100 plus bucks an hoursome,like the last dealer i was at are using a matrix type labor scalethat increases the labor big time,retro to the first hour after 2 plus hours of labor. But i am sure that i never had white smoke come out of my tailpipe, and if the intake manifold gaskets were sealing, no water should have gotten into the combustion chamber. Hey Guys Thanks for checking out my post. I HAVE BEEN WORKING ON THE CADILLAC NORTHSTAR ENGINE SINCE 1993. ), Radiator Fan, Thermostat, or something else. 1999 Cadillac Deville, Have Problems Either A Cracked Head, Block & Head Gasket With This Engine And The Dealer Say Its Not One Of Them With My Vin # Bullshit, They Just Don't Want To Pay To Replace A Defective Engine Knowing Theirs A Problem. do NOT contact me with unsolicited services or offers. AutoZone carries hundreds of thousands of parts and accessories. There is no leaks, no noise, No smoke and it still runs good and purrs like a kitten. The northstar is a wonderful engine until you have the head gasket problem the engine has to be removed to repair but not all of them have the problem. Unfortunately, this vehicle is prone to suffering from overheating issues that may cause it to break down. 1999 Cadillac Deville, Have Problems Either A Cracked Head, Block & Head Gasket With This Engine And The Dealer Say Its Not One Of Them With My Vin # Bullshit, They Just Don't Want To Pay To Replace A Defective Engine Knowing Theirs A Problem. Some overheating problems aren’t related to the cooling system at all. On extremely hot days, your pool pump may shut off because it simply cannot pull enough electricity from the grid. Is it possible that the air conditioner would cause an issue? The A/c was running both times that it overheated. The comfort level is very good because of a smooth ride and roomy. Overheating problems due to the head gasket may also be due to a break in the head gasket that is allowing combustion gasses to be pushed into the coolant. Cadillac: Prestige Cars, SUVs, Sedans, Coupes & Crossovers. If the car overheats when at idle, then the most likely faults would be the cooling fan, thermostat, air in the cooling system, or a clogged coolant passage. Cadillac DeVille Overheating? RepairPal will help you figure out whether it's your Coolant leak (water pump, radiator, hose etc. So your Northstar powered car overheated, or it's blowing white smoke. Chances are you have either a radiator cap leak, internal coolant leak or an external coolant leak. They are presented somewhat in order from most to least likely to be causing the code:. automakers. I've changed thermostat twice? The 1st time I changed the thermostat and added coolant, it didn't overheat for approx. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2011 Cadillac SRX. The Final Solution For Northstar Overheating and Head Gasket Issues. Overheating and cracked engine blocks in Cadillac DeVilles. Why is my 2000 Cadillac Deville over heating and I have change the radiator, thermostat and the water pump. GM Kent Moore Time Sert ® Northstar Engine Cylinder Headbolt Repair Tool Kit Rental. My Wife has a 00 Cadillac Sedan Deville with a Northstar Engine and it blew the Head Gaskets at 68K. 1997 - 2003 Cadillac Deville. Cadillac did flip the engine 90 degrees and run power to the rear wheels in 2004 for SRX, XLR, and STS. Unfortunately, this vehicle is prone to suffering from overheating issues that may cause it to break down. do NOT contact me with unsolicited services or offers. The cost of diagnosing the P0300 CADILLAC code is 1. An overheating car is a sign that something is wrong, and you can be in line for major repairs if you ignore the issue. The PCM considers the engine over temperature whenever the Engine Coolant Temperature reaches a predetermined temperature. They use about one quart every 1,500 - 2,000 miles. I have bleed the bleeder screw. do NOT contact me with unsolicited services or offers. I have a 2000 Cadillac Deville DHS. Sucks, as the car was such an awesome drive for a while, but the $$$$ I've spent on this car just to try and fix this and that is ridiculous. I really dont have alot of money so I just bought new Coolant and new 10-30 Oil which was specified for the car. Imagine you are driving on a hot summer day but suddenly your car starts overheating and you can't use the AC. With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating. 6 Northstar engines to the public, even before oversize pistons were available. And there are many reasons for a car overheating, ranging from simple over­use to an electrical or mechanical failure under the hood. (185 people reported this problem). Repair Information for P0741 Cadillac code. I work in a Cadillac dealer and I can tell you that from your description of your problems it sure sounds like a head gasket failure. Does anyone have the answer to the northstar overheating issue? There has been many post about the issue, but no answer. 1994 Cadillac Deville holds pressure but overheats was created by popoften These days I'm also working on my 1994 Cadillac Deville (4. The company says the problem happens because of a weak electrical connection in the module that powers the defroster, located in the driver's side rear pillar. Here are the most common problems that will throw the code. Cadillac did flip the engine 90 degrees and run power to the rear wheels in 2004 for SRX, XLR, and STS. Cadillac Northstar Engine Problems Overheating 1 Free Download Book Cadillac Northstar Engine Problems Overheating [BOOK] Cadillac Northstar Engine Problems Overheating Yeah, reviewing a book cadillac northstar engine problems overheating could amass your close connections listings. 6L Northstar Engine. If the hose is clear, check for blockage at the nipple on the tank. We are Cadillac Northstar Engine Repair Experts If you have a Northstar Engine that has massive oil or coolant leaks we can help! If you have been told that your Head gaskets are leaking on your Northstar Engine We can fix it we have the ability to Fix and update that engine. I have a 1999 Cadillac Deville Concours with 78,000 miles. Overheating and cracked engine blocks in Cadillac DeVilles. ) the owner (*note) 2. Power for the 1993 Allante was a generous 295 HP and 290 lb-ft, all to the front wheels. When you're ready to replace the alternator of your vehicle, choose a high-performance Cadillac DeVille alternator, which keeps your battery powered up. USUAL CAUSE The most common cause of an engine overheating condition is a defective thermostat. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2011 Cadillac SRX. While there are a variety of reasons your Cadillac DeVille is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc. There is only 4 problems with a Northstar equipped car. Get reliability information for the 2008 Cadillac DTS from Consumer Reports, which combines extensive survey data and expert technical knowledge. 3- No, seriously. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary,. By a large margin, the most common cause for engine overheating is simply a low coolant level. Is a 96 cadillac deville northstar the same, have an all aluminum head gasket?Is it the same as what?. Titan® Head Gasket Sealers are rated #1 by auto mechanics. An overheating car is a sign that something is wrong, and you can be in line for major repairs if you ignore the issue. Of course, you might just have another simple leak of coolant somewhere. The cost of diagnosing the P0300 CADILLAC code is 1. Changed water pump, radiator cap, thermostat, checked purge line fluid flowing. Coolant loss will also cause an overheating condition. My Car is Over Heating – What Causes This to Happen? Reader Question: My car is overheating, what causes this to happen? Love your site, John Harrison. For 1993, the Northstar V8 brought class-leading performance, even in front-wheel drive configuration, to Cadillac’s lineup. Common Causes of an Engine Overheating. After 3 Years of Field Testing, Steel Seal Is Pleased to Announce a 94% Success Rate on Their Cadillac Northstar Engine Repairs Philadelphia, PA -- ( SBWIRE ) -- 04/02/2014 -- Steel Seal is pleased to announce the highest success rate of the special formula that specifically treats Cadillac Northstar engines. do NOT contact me with unsolicited services or offers. If you are driving and notice the temperature gauge is all the way up to the "H," your 2011 Cadillac CTS Coupe is "running hot" and overheating will occur shortly. Judging by the location it might be your water pump (either the shaft seal or the cover seal) or the radiator end tanks. Last year for this block 1999. GM Recalls Cadillac ATS Models for Overheating Window Defroster. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. Coolant Leaking problem of the 1998 Cadillac Deville 3. Dura-Seal® custom mixes this no water-glass , no silicate formula exclusively for the Cadillac Northstar all aluminum engine. A faulty thermostat might not open, meaning coolant won't flow. If you have never had a problem please do not participate in the poll!. Re: 1996 Cadillac Concours Overheating while driving (can idle all day) Sign In depending on what they do,i think most cadillac dealers are up around 100 plus bucks an hoursome,like the last dealer i was at are using a matrix type labor scalethat increases the labor big time,retro to the first hour after 2 plus hours of labor. 6 DOHC 32 Valve Cadillac Northstar Engines. Radiators cause overheating not engine parts. always copper, stainless steel or some other malleable metal. 100,000 mile Nationwide Warranty. The 1999 Cadillac DeVille has 5 problems reported for over heating. The popular 2000 and 2002 Cadillac DeVilles are prime casualties, with the engine tending to overheat due to a leaking head gasket. So your Northstar powered car overheated, or it's blowing white smoke. Imagine you are driving on a hot summer day but suddenly your car starts overheating and you can’t use the AC. Learn what does P0300 Cadillac Cylinder Misfire Detected Random Cylinders means, location and how to repair? When a misfire occurs, engine speed will fluctuate. Chances are you have either a radiator cap leak, internal coolant leak or an external coolant leak. through online research, my daughter discovered the cadillac deville 1999 northstar model/vehicle has numerous issues due to overheating and head gaskets. NHTSA ID Number: 10115013 Manufacturer Communication Number: PIP5300 Summary This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that engine overheating, and/or poor heater performance, AC off message, and Malfunction Indicator Lamp illumination. 3- No, seriously. I know its possible to convert a l98 to a lt1, and people have done it with Lb9s as well, how hard is it, and what do you need to modify? I also have a cadillac northstar engine with a cracked block, can any parts go on my 305, heads etc? Will it be pointless? I already have a fresh 305, I dont want a 350. I was told it could be a head gasket. And, is very expensive to repair. 1993 - 1994 Cadillac Eldorado. 1993 - 1994 Cadillac Seville. The Northstar has been used in several cars in the GM lineup, including the Cadillac Seville, Buick Lucerne, Pontiac Bonneville and Cadillac Eldorado. Regardless of the underlying cause, the problem you are experiencing now is that your fine American Luxury Car (Cadillac) is overheating, or at the very least losing coolant. Get reliability information for the 2008 Cadillac DTS from Consumer Reports, which combines extensive survey data and expert technical knowledge. When it starts to overheat if I rive the engine the gauge goes back to normal, then starts to rise again.