How to Stop an Engine from Overheating. The radiator is partly clogged and must be removed and cleaned. Our remanufactured Cadillac Northstar 4. 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. my daughter discovered the Cadillac Deville 1999 northstar model/vehicle has numerous issues due to overheating and head gaskets. Cadillac 2008 DTS Manual Online: Engine Overheated Stop Engine, Engine Power Reduced. I would highly recommend another dealer who if there are any issues they will be there to help not push you aside. When the Northstar was first introduced they still had the standard Cap on Radiator cooling system, these early model vehicles were not plaqued with overheating issues. During the failures, the engine overheat light would illuminate on the instrument panel. Master ASE certified auto, diesel and machinist. I drove it about 4 hours on the highway without overheating. World's only "Ploymer-Based" Sealer. There is a faulty design between the motor and oil pan in these automobiles to cause them to leak so soon. The 97-99 northstar has the highest headgasket/headbolt failure rate. 100,000 mile Nationwide Warranty. QUESTION: I have a 2000 Cadillac with 96,000 miles. 6L V8 66,000 miles I recently got my hands on a 97 Deville in excellent condition, except for overheating issues. 0 The cost of diagnosing the P1258 CADILLAC code is 1. Don't forget to like And subscribe!! Here are some things that you should do to prevent and solve your Northstar engine from overheating some of them are basic. 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. A car AC compressor can cause overheating of the car engine. 6L 32-valve dual overhead cam all-aluminum V8 engine was a quantum leap forward for U. Not only would this be. Overheating (Engines) Cadillac Northstar is a a type of motor car engine produced by the American compant Cadillac. my 2001 cadillac deville overheats and blow antifreeze out of the reservoir- just had a thermostat put in and this happened 5 days after this! can you tell me what might be wrong? it has a Northstar engine. no aluminum head gaskets though. Chances are you have either a radiator cap leak, internal coolant leak or an external coolant leak. Cause of head gasket failure & overheating on a Cadillac Northstar engineNorthstarPerformance. View all 59 consumer vehicle reviews for the Used 1999 Cadillac DeVille on Edmunds, or submit your own review of the 1999 DeVille. Here is my problem. Often when a Northstar overheats, a mechanic checks the cooling system and finds nothing wrong. com Cadillac Northstar Head Gasket Engine Repair. There are three ways the head gaskets can fail on a Northstar. P0301 CADILLAC Tech Notes The P0301 code means that the cylinder 1 is misfiring or is randomly misfiring. 1- exhaust gases blow into the cooling system under load, such as when you climb a hill or pass someone. GM Recalls Cadillac ATS Models for Overheating Window Defroster. How to prevent Cadillac Northstar GM engine from overheating what mechanics wont tell you – HD. 0 The cost of diagnosing the P1258 CADILLAC code is 1. Coolant loss will also cause an overheating condition. 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 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. Why is my 2000 Cadillac Deville over heating and I have change the radiator, thermostat and the water pump. my daughter discovered the Cadillac Deville 1999 northstar model/vehicle has numerous issues due to overheating and head gaskets. Learn about your vehicle's service history, warranty, recall and more at your Cadillac Owner Center. Notice: If You Drive Your Vehicle While The Engine Is Overheating, Severe Engine Damage May Occur. Not keeping an eye on fluid levels…or not letting the engine get up to normal operating temp before hammering the trans and accelerator…not checking both the cooling fans thermos. to best of my knowledge no car has ever had all aluminum head gasket. I get these cars from thousands of miles away to fix. Cadillac Northstar 4. CONS: Coolant system problems have plagued the Northstar engine because of some design flaws that have never been corrected. If you see your vehicle's temperature gauge creeping into the hot zone, try not to panic. 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. Learn more about the 1999 Cadillac Seville. I just don't know how to get the air out the system if there is any in it that's cause overheating. I drove it about 4 hours on the highway without overheating. It doesn't like the one steep hill that I have to travel on. Although heat is a normal consequence of compression, a system that gets too hot will shut down. Check for external leaks first, make sure the water pump belt is still there and turning. Check your thermostat. Introduced in 1993 in the Cadillac Allante, Eldorado and Seville STS, the 4. USUAL CAUSE The most common cause of an engine overheating condition is a defective thermostat. Get the best deals on Complete Engines for Cadillac DeVille when you shop the largest online selection at eBay. What causes a car to overheat while idling like that, and should I be worried? Answer: If you car is overheating at idle, but it's fine the rest of the time, then there are a handful of different problems that you might be dealing with. CONS: Coolant system problems have plagued the Northstar engine because of some design flaws that have never been corrected. I have bleed the bleeder screw. 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. Does your cadillac northstar engine need headgaskets? Is your check engine light on and you need expensive transmission work? I am a factory certified master technician and I can do these repairs in my own shop cheap!!! All work guaranteed! I also service all GM vehicles. Images are from the brochure collection of the author. Another feature of the Northstar engines is a “limp home” mode that allows the engine to continue running if all the coolant is lost. CarComplaints. no aluminum head gaskets though. I have a 200 Cadillac deville dhs 8 cylinder northstar. It may be losing coolant and you can't explain where it's going. A number of components inside the dryer can cause overheating. This video will show you the cause of head gasket failure as well as the best fix available for your Cadillac Northstar Engine. Now, if the upper radiator hose is hot but the lower hose and the heater hoses are cold then try a new thermostat and see if the issue is repaired or not. 6 DOHC 32 Valve Cadillac Northstar Engines. The head bolts like to back their way out of the aluminum block and cause all sorts of overheating and head gasket issues It's not an issue of "if" it's "when" GM put out an official kit to remedy the problem but it's north of $500 + labor. How to prevent Cadillac Northstar GM engine from overheating what mechanics wont tell you – HD. Overheating Is Also A Common Cause Of OHC Seizure And Breakage If the coolant gets hot enough to boil, it may cause old hoses or an age-weakened radiator to burst. 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. Anyone even considering a 90's Cadillac with a Northstar because it looks nice and price seems right, walk away. (2018, December 14). 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. Here is my problem. 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. World's only "Ploymer-Based" Sealer. 2000 cadillac deville overheating. Power for the 1993 Allante was a generous 295 HP and 290 lb-ft, all to the front wheels. It may be losing coolant and you can't explain where it's going. 2- Turn on your defroster and your heat to HOT, fan on High. Depending on you engine configuration and the location of the water pump, the result could be trapped air in the water pump. BUT this car does have the 4. Overheating is one of the most common causes of compressor failure and a frequent reason for emergency air conditioner repair service calls. Thermalweld. Cadillac's bold and innovative range of prestige vehicles appeal to those who dare to drive the world forward. When you rely on your car to charge your electronics and get you around town, you want reliable parts that are custom engineered for your car. While there are a variety of reasons your Cadillac DTS is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc. 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. The compressor can overheat due to the failure of other components. There's a leak in the cooling system. Northstar engines can be found in Cadillac garages and via online websites. Check for coolant flow at the Purge line,this is a common problem on the Northstar. For a while it has been saying Coolant Level Low, and Change Oil. Read More Cadillac XTS. Cadillac did flip the engine 90 degrees and run power to the rear wheels in 2004 for SRX, XLR, and STS. 6 V8 First Repair General Motors also Oldsmobile Aurora 1995 -1999 2000 and up use different kit. Cadillac DeVille overheating? Unfortunately this is a common issue for this model of Cadillac. 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. If the vehicle has been stored for some time, rodents may have climbed into the exhaust pipe and built a nest anywhere from the interior of the engine to the exhaust outlet. For a while it has been saying Coolant Level Low, and Change Oil. As of 2016, common problems with Cadillac engines include oil leaks from the lower crankcase portion of the engine blocks of 3. The thermostat gauges the temperature of the engine to control the flow of coolant into the cylinder block and radiator. World's only "Ploymer-Based" Sealer. During the failures, the engine overheat light would illuminate on the instrument panel. The Northstar engine series is a family of automobile engines designed by General Motors. 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. Ok, here is my problem. The Cadillac Northstar has a flawed cooling system,which causes them to run hotter than the Aluminum engine can withstand over time. Imagine you are driving on a hot summer day but suddenly your car starts overheating and you can't use the AC. Now, if the upper radiator hose is hot but the lower hose and the heater hoses are cold then try a new thermostat and see if the issue is repaired or not. (2018, December 14). "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. Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. 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. Like all engines, the Northstar requires proper maintenance to stay in good condition. 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. Could either the spark plugs, wires, or the ignition coil be the cause? P. The issue is, many looking to get a used Cadillac with a Northstar can't verify that it has never overheated. I have a 200 Cadillac deville dhs 8 cylinder northstar. How to prevent Cadillac Northstar GM engine from overheating what mechanics wont tell you – HD. Of course, you might just have another simple leak of coolant somewhere. With no clear indication as to what's causing the overheating problem. Master ASE certified auto, diesel and machinist. 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. Jim 610-529-1346. The Northstar engine series is a family of automobile engines designed by General Motors. The Causes and Cures of an Overheating Cadillac Eldorado Your Cadillac Eldorado is a striking luxury car that\'s sure to turn heads on the road. 0L (Replaces 12555840): Vacuum Tee Connectors - Amazon. 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. The auto repair labor rates vary widely across the country, and even within the same city. Not keeping an eye on fluid levels…or not letting the engine get up to normal operating temp before hammering the trans and accelerator…not checking both the cooling fans thermos. Accurate Engines is an industry leading remanufacturer of the Cadillac 4. The Northstar has been used in several cars in the GM lineup, including the Cadillac Seville, Buick Lucerne, Pontiac Bonneville and Cadillac Eldorado. I just had a look at a northstar Cadillacman, what a pain to work on that engine! They really stuffed that big engine into a low hooded car with FWD (on this model anyway) and it's a bear to access. The compressor can overheat due to the failure of other components. I have an overheating problem. 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. Pistons may swell up and scuff or seize in their bores, causing serious engine damage. 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. I am a factory trained technician that can bring your Cadillac back to life with a full written warranty. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2004 Cadillac DeVille. I can fix the head gasket, oil leaks and also a fully rebuild. If An Overheat Warning Appears On The Instrument Panel Cluster And/or DIC, Stop The Vehicle As Soon. "Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. Here is my problem. I have a 1999 Cadillac Deville Concours with 78,000 miles. There is a faulty design between the motor and oil pan in these automobiles to cause them to leak so soon. It is very true that the main cause of a blown head gasket with these engines is that the original head bolts stripp, and pull from the head, and block. Why is my 2000 Cadillac Deville over heating and I have change the radiator, thermostat and the water pump. I am a novice so I hope this makes sense. 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 Northstar was designed to produce more power to compete with BMW, MBZ, and new luxury cars like Lexus & Acura. Car is overheating Inspection Service All cars can lose their cool, even today's most high-tech rides that are designed to run in any climate. Check for external leaks first, make sure the water pump belt is still there and turning. The overheating can ruin a trip. com, the official. We were one of the first remanufactures in the country to offer remanufactured 4. He told me to junk the car since he felt it was blown head gaskets. 6L 32-valve dual overhead cam all-aluminum V8 engine was a quantum leap forward for U. But remember that there are a few other common causes that will make the engine overheat. Average repair cost is $310 at 76,600 miles. Ok, here is my problem. We specialize in the repair of the Northstar engine, especially the notorious overheating problem associated with this engine. Depending on you engine configuration and the location of the water pump, the result could be trapped air in the water pump. Northstar engines can be found in Cadillac garages and via online websites. 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. Cadillac 2008 DTS Manual Online: Engine Overheated Stop Engine, Engine Power Reduced. vehicle heats up after being driven about 15 miles and overheated on Interstate when starting up mountain. 2000 cadillac deville northstar engine, 134,000 miles, motor was pulled and gone thru 3-4 yrs ago, started to overheat week ago. NHTSA — Engine And Engine Cooling Problems. Don't forget to like And subscribe!! Here are some things that you should do to prevent and solve your Northstar engine from overheating some of them are basic. "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. Check for coolant flow at the Purge line,this is a common problem on the Northstar. Your engine's cooling system relies on coolant to circulate and remove heat from the engine. I have a 1997 Cadillac SLS with a 4. 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. GM Recalls Cadillac ATS Models for Overheating Window Defroster. With a DOHC design, one camshaft operates the intake valves, the other one the exhaust valves. Master ASE certified auto, diesel and machinist. Northstar Cadillac Head Gasket Repair - Thermalweld. The head bolts like to back their way out of the aluminum block and cause all sorts of overheating and head gasket issues It's not an issue of "if" it's "when" GM put out an official kit to remedy the problem but it's north of $500 + labor. Leaking Antifreeze But Not Overheating. Here are the most common problems that will throw the code. (2018, December 14). The Northstar engine is rated at 295 horsepower. Below is a list of Attempts I have tried to fix it with, if you can think of something I ha … read more. He has been offered $500 for it. Bought it about a week ago and started overheating right away. Yes, a thermostat is a common cause of engine overheating. The failure would occur whenever the vehicle was in operation for a few minutes. The J-42385-500, J-42385-2000, and J-42385-2030 tool kits are used to repair stripped head bolt and main bearing threads on Cadillac Northstar engines. GM Kent Moore Time Sert ® Northstar Engine Cylinder Headbolt Repair Tool Kit Rental. Is a 96 cadillac deville northstar the same, have an all aluminum head gasket?Is it the same as what?. Catalytic converters usually overheat because they are working too hard to burn off more exhaust pollutants than they're designed to process. We offer Hi-Tech automotive Oil Stop-Leaks, Transmission Sealers and Oil Additives for a wide variety of applications. P0174 CADILLAC Tech Notes If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. The oil life resets to zero after the engine overheats. Depending on you engine configuration and the location of the water pump, the result could be trapped air in the water pump. Thermagaskets Proprietory Cooling System Equalizer quickly solves the vapor locking issue within minutes. Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. How to prevent Cadillac Northstar GM engine from overheating what mechanics wont tell you – HD. I have a 1997 Cadillac SLS with a 4. "Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. com If you are in the Tacoma/Seattle area and own a Cadillac with the Northstar engine, we are here to help insure that you enjoy your car forever. My Wife has a 00 Cadillac Sedan Deville with a Northstar Engine and it blew the Head Gaskets at 68K. An overheating engine can cause more problems especially if you let it go too long and end end up cracking your block. I've changed thermostat twice? The 1st time I changed the thermostat and added coolant, it didn't overheat for approx. If you see your vehicle's temperature gauge creeping into the hot zone, try not to panic. Thermagasket…. Learn about your vehicle's service history, warranty, recall and more at your Cadillac Owner Center. I have a 200 Cadillac deville dhs 8 cylinder northstar. Cadillac 2008 DTS Manual Online: Engine Overheated Stop Engine, Engine Power Reduced. Notice: If You Drive Your Vehicle While The Engine Is Overheating, Severe Engine Damage May Occur. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 1. It may be losing coolant and you can't explain where it's going. always copper, stainless steel or some other malleable metal. If you are driving and notice the temperature gauge is all the way up to the "H," your Cadillac Brougham is "running hot" and overheating will occur shortly. 6 engine the engine runs great i can have the car running at idle for about 1 hour and the tempeture is normal. 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. Some overheating problems aren’t related to the cooling system at all. Car is overheating Inspection Service All cars can lose their cool, even today's most high-tech rides that are designed to run in any climate. P0174 CADILLAC Tech Notes If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. Why Is My Car Overheating? There are quite a few reasons why your car may be overheating. There's a leak in the cooling system. The head bolts like to back their way out of the aluminum block and cause all sorts of overheating and head gasket issues It's not an issue of "if" it's "when" GM put out an official kit to remedy the problem but it's north of $500 + labor. 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. 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. 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. SOURCE: Problem with overheating on 1996 Cadillac Deville with Northstar. CONS: Coolant system problems have plagued the Northstar engine because of some design flaws that have never been corrected. Here are the most common problems that will throw the code. Overheating Engine. But some of them your mechanic won't. Learn more about the 1999 Cadillac Seville. 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. the northstar engine has a aluminum block that is well known for problems when the engine overheats the heads warp and pull the bolts out of the block sometimes causeing the block to crack. Water Pump – The water pump can leak on any car, usually from the bottom weep hole. Below is a list of Attempts I have tried to fix it with, if you can think of something I ha … read more. 0L (Replaces 12555840): Vacuum Tee Connectors - Amazon. When compares with the various other sorts of vehicles,the majority of 2008 Cadillac CTS cost is really a small fortune. 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. When it comes to your Cadillac DeVille, you want parts and products from only trusted brands. Repair Information for P0741 Cadillac code. STAN HONDA / AFP - Getty Images. Technical Information for your Cadillac engine. The cost of diagnosing the P0300 CADILLAC code is 1. See the 1999 Cadillac Seville price range, expert review, consumer reviews, safety ratings, and listings near you. P0174 CADILLAC Tech Notes If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. automakers. Replaced the valve spring, valve seal and keepers - a job that can be done with the engine in-chassis and without engine disassembly if other tricks are used. For a while it has been saying Coolant Level Low, and Change Oil. No engine is economical. Guess what? Your vehicle is overheating* and you need to do something about it RIGHT NOW. The 97-99 northstar has the highest headgasket/headbolt failure rate. 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. Another feature of the Northstar engines is a "limp home" mode that allows the engine to continue running if all the coolant is lost. The J-42385-500, J-42385-2000, and J-42385-2030 tool kits are used to repair stripped head bolt and main bearing threads on Cadillac Northstar engines. Internal Malfunctions. 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. 2000 cadillac deville northstar engine, 134,000 miles, motor was pulled and gone thru 3-4 yrs ago, started to overheat week ago. com Cadillac Northstar Head Gasket Engine Repair. My 1999 Cadillac seville is overheating, since the headgasket is a common problem on the 4,6 Northstar i fear the worst. I few weeks ago i noticed that the cooling water temp when up i little bit and then quickly goes down. The Northstar has been used in several cars in the GM lineup, including the Cadillac Seville, Buick Lucerne, Pontiac Bonneville and Cadillac Eldorado. It doesn't like the one steep hill that I have to travel on. Check for external leaks first, make sure the water pump belt is still there and turning. 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. Cadillac Northstar 4. all aluminum engine is common enough, aluminum heads are very common. 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. An overheating engine is a definite indication that something is wrong. It has been overheating to the point of having it towed three times in the last year. Research the 1999 Cadillac DeVille at cars. Dura-Seal® custom mixes this no water-glass , no silicate formula exclusively for the Cadillac Northstar all aluminum engine. I really dont have alot of money so I just bought new Coolant and new 10-30 Oil which was specified for the car. Does your cadillac northstar engine need headgaskets? Is your check engine light on and you need expensive transmission work? I am a factory certified master technician and I can do these repairs in my own shop cheap!!! All work guaranteed! I also service all GM vehicles. When it starts to overheat if I rive the engine the gauge goes back to normal, then starts to rise again. Below is a checklist of potential causes of overheating to help you to identify the reason for the issue before a head gasket issue can be suspected. It doesn't like the one steep hill that I have to travel on. If An Overheat Warning Appears On The Instrument Panel Cluster And/or DIC, Stop The Vehicle As Soon. Repairs all head gasket symptoms including overheating, coolant loss, and pressure in system. Master ASE certified auto, diesel and machinist. See the 2000 Cadillac DeVille price range, expert review, consumer reviews, safety ratings, and listings near you. If this has the northstar engine it has likely already been overheated and damaged. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. "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. Does anyone have the answer to the northstar overheating issue? There has been many post about the issue, but no answer. These automobiles are Cadillac, Oldsmobile and Buick models dating back to 1993 through 2008. 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. Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. Introduced in 1993 in the Cadillac Allante, Eldorado and Seville STS, the 4. com : Car complaints, car problems and defect information. The vehicle was taken to a dealer, who diagnosed that the engine needed to be resealed due to a leak coming from the valves. Learn about your vehicle's service history, warranty, recall and more at your Cadillac Owner Center. But some of them your mechanic won't. My 1999 Cadillac seville is overheating, since the headgasket is a common problem on the 4,6 Northstar i fear the worst. 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. Installed in Cadillacs and other models from 1993 to 2010. Although most of these issues are easy to resolve, Northstar engines are very expensive to repair, and preventative maintenance is critical. 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. 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. This renaming followed new nomenclature conventions set by the earlier CTS and STS. The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. automakers. 100,000 mile Nationwide Warranty. Is a 96 cadillac deville northstar the same, have an all aluminum head gasket?Is it the same as what?. If the compressor has seized up then the fan belt may not be moving freely, which in turn would affect the cooling system. Here are the most common problems that will throw the code. Notice: If You Drive Your Vehicle While The Engine Is Overheating, Severe Engine Damage May Occur. Thermagaskets Proprietory Cooling System Equalizer quickly solves the vapor locking issue within minutes. 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. This is measured from the top of the block to the first starting thread 35mm. If An Overheat Warning Appears On The Instrument Panel Cluster And/or DIC, Stop The Vehicle As Soon. Jim 610-529-1346. Overheating catalytic converters are a fire risk that's often overlooked, but think about it: One of the consistently hottest parts of your car runs the entire length of the vehicle -- the exhaust system. Overheating Is Also A Common Cause Of OHC Seizure And Breakage If the coolant gets hot enough to boil, it may cause old hoses or an age-weakened radiator to burst. Does your cadillac northstar engine need headgaskets? Is your check engine light on and you need expensive transmission work? I am a factory certified master technician and I can do these repairs in my own shop cheap!!! All work guaranteed! I also service all GM vehicles. Overheating and cracked engine blocks in Cadillac DeVilles. 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. We offer Hi-Tech automotive Oil Stop-Leaks, Transmission Sealers and Oil Additives for a wide variety of applications. Cost of diagnosing the P1258 CADILLAC code. The performance is great it is easy with a v8 engine but has recently developed a small oil leak which I have been told by a mechanic to be common to a Northstar engine which my car has. Judging by the location it might be your water pump (either the shaft seal or the cover seal) or the radiator end tanks. A car AC compressor can cause overheating of the car engine. The cost of diagnosing the P0300 CADILLAC code is 1. 3- No, seriously. There are 4 gaskets between this housing that are often times overlooked when doing just a water pump. Repair Information for P0741 Cadillac code. See the 2000 Cadillac DeVille price range, expert review, consumer reviews, safety ratings, and listings near you. 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. 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. The Cadillac DTS (DeVille Touring Sedan or D-Series Touring Sedan) is a full-size luxury notchback sedan that was produced by Cadillac. 2008 Cadillac DTS 1SA My vehicle is very reliable I have had very few problems with it. With no clear indication as to what's causing the overheating problem. This video will show you the cause of head gasket failure as well as the best fix available for your Cadillac Northstar Engine.