Cadillac Overheating Troubleshooting

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Got Radiator Problems in San Antonio? When your car or truck overheats the radiator should always be checked with caution. 2001 Cadillac Deville overheating help So we have a 2001 Cadillac Deville with a Northstar engine that won't stop overheating. (No Trucks) - '00 Cadillac DeVille - really overheating? - Please help! I'm looking at my pastor's 2000 Cadillac DeVille DHS with the 4. SOURCE: 1998 Cadillac Deville overheating. At the first sign of a temperature issue, it is in your best interest to diagnose and repair it immediately. See the 2000 DeVille price range, expert review, consumer reviews, safety ratings, and listings near you. I know part of the problem was there was a leak where the plastic and metal met on the left side of the radiator. Overheating problem 1 Answer. a radiator or coolant circulation problem, Check for a. i see alot of fellow "Cadillac-erz. This lavish model will not fail to make an impression even with the price of 2019 and Cadillac Eldorado likely to offer a very competitive but luxurious price. Vehicle recall news and information. Alright I have a 65 coronet wagon. If it's not, maybe the radiator solved the problem, and all you need is to fix the cooling fan. Just for some perspective, somebody locally in Nashville has a 1928 Cadillac Sport Phaeton. I've been forced to add a flex fan and run super blue cool in the radiator fluid. What if we have this problem and the antifreeze level is not low? The first component we test is the thermostat. This is a VERY common problem with the Northstar engine (the one in your car). 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. It may be losing coolant and you can't explain where it's going. Check for a worn out timing chain, could cause cam and ignition to run retarded, causing an overheating problem. So my car has been working great. Let us help you properly diagnose your Cadillac's overheating problem and ultimately determine if you have a head gasket problem. Mystery Overheating May Be Due to Cooling Fan. It keeps overheating. most of the camaros and firebirds suffer from an enclosed nose that relies on a radiator fed from underneath the car. Get reliability information for the 2014 Cadillac CTS from Consumer Reports, which combines extensive survey data and expert technical knowledge. (No Trucks) - '00 Cadillac DeVille - really overheating? - Please help! I'm looking at my pastor's 2000 Cadillac DeVille DHS with the 4. It's prone to overheating and warping its heads and then overheating even more. Alright I have a 65 coronet wagon. Apparently more than anyone I have talked to knows. See all problems of the 2001 Cadillac Deville. The contact notified the dealer (vera Cadillac in pembroke pines, fl 33025 (954) 871-2630), but was informed that nothing could be done. I have an 89 Grand Marquis that I love but the repairs are killing me. 6 Northstar engines to the public, even before oversize pistons were available. They recently brought it into Andrews as it needed service since the thing kept dying on the road (and overheating). 1997 Eldorado overheating (self. 6L V8 66,000 miles I recently got my hands on a 97 Deville in excellent condition, except for overheating issues. Diagnose and repair problems using easy guides, or find local auto shops and repair estimates. So your Northstar powered car overheated, or it's blowing white smoke. The laptops are actually hot. General Motors Co is recalling its newer Buick Lacrosse and Cadillac SRX vehicles. If all you have is an idiot light that says "Overheating" or "Temp", all you know is that the engine has gone beyond a preset temperature, or the sensor running the idiot light is failing. Your product saved me over 3400 dollars Sam - IL. What if we have this problem and the antifreeze level is not low? The first component we test is the thermostat. In a field of luxury sports sedans that are directed more toward the posh end of that spectrum, the 2019 Cadillac CTS is a breath of fresh air for driving enthusiasts. Overheating problems. The one a previous mechanic put on it was only 16 pounds and my car requires 18 pounds. If the coolant fan. 2015 Cadillac ATS. Overheating problem At some point during the month of August the Roadfly forums are going to become archive only. If you have a real gauge, it's much easier to troubleshoot what's going on. It started suddenly and it has a new water pump installed with about 75 miles on it. Overheating and cracked engine blocks in Cadillac DeVilles. Get reliability information for the 2007 Cadillac DTS from Consumer Reports, which combines extensive survey data and expert technical knowledge. If your Cadillac is overheating, you run the risk of severe engine damage. I have a 99 Cadillac DeVille with nearly 60,000miles on it. Hi, great site btw. gov to report problems with your vehicle, non. While it might seem counterintuitive, cranking up the heater can actually draw heat away from the engine bay, which might help cool your vehicle down. At first, I fe. Thanks John, To properly diagnose your overheating complaint we need rule out a few basic things. A 2015 Cadillac ATS Coupe at The Detroit Auto Show. The Chevrolet Corvette Z06 is a track-focused sports car that has some track-related overheating issues. Best Answer: Are you driving with the A/C on? Your radiator may be partially plugged. Waterpump has been changed, thermostat has been changed, pressure cap has been changed, hoses are new. Left alone, the liquid in the radiator eventually boils over, and steam rolls out from […]. The baking soda is new. An overheating engine is never a good thing to have happen. 5 Cadillac DPi-V. Well my car started overheating again on September 24, 2015 hadn't had any problems with overheating since i had my water pump replaced in 2014 it just out of the blue started overheating again i don't recall hearing the fan come on but my kids and i had to pull over and wait for the car to cool down then i had a family member come & help. The popular 2000 and 2002 Cadillac DeVilles are prime casualties, with the engine tending to overheat due to a leaking head gasket. See the 2000 DeVille price range, expert review, consumer reviews, safety ratings, and listings near you. 1- exhaust gases blow into the cooling system under load, such as when you climb a hill or pass someone. Hey Guys Thanks for checking out my post. 1993 Humvee with 17k. This means that the ability to write new posts and access various member features will go away. Bought it about a week ago and started overheating right away. The one a previous mechanic put on it was only 16 pounds and my car requires 18 pounds. 2000 Cadillac Deville. Because the engine cooling system no longer uses a pressurized coolant surge tank, engine. This is a VERY common problem with the Northstar engine (the one in your car). Passenger Cars, Mini Vans, SUV Service and Repairs. 2-liter V-8, big Brembo brakes, an eight-speed automatic, and rear-wheel drive. Car problem(s) with the 1998 CADILLAC DEVILLE. If your engine is overheating, do the following to cool it down: Turn off the air conditioner. Cadillac) Good thing is, if that's the problem the part isn't expensive and installing it yourself is a 30min process. You'll need. I changed the battery for $220 (including the labor). When it starts creeping into the danger zone, look under the hood to see if your electric fan is running. " - Sherlock Holmes. I just love your site and all the information you give…and for free. So my question if every body knows about the problems with the north star engine, why is it that Cadillac is not forced to recall all this cars and pay for their defective engine repairs?????. If you are having any kind of overheating, drivability, or power problems, this guide may ne what you need. The affected models are all 2009-2013. 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. by Duane West. What a blessing you are to us. 6 with 140k miles - overheating after initially running smooth on operating temperature for 10 minutes or so. General Motors Co is recalling its newer Buick Lacrosse and Cadillac SRX vehicles. 1997 Cadillac Deville Radiator Overheating Problem Mobile Mechanic. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2006 Cadillac DTS. I have a question which I did not find an answer to on your site. 1999 was the last year that a Cadillac Deville looked like a Cadillac Deville, in my opinion. Alright I have a 65 coronet wagon. What causes catalytic converter to go bad Catalytic converter problems What you need to know about catalytic converter problems. Cadillac got its own new Turbo Hydramatic transmission in 1965. My problem is that it's constantly overheating? I put in a new thermostat, a new radiator, a temperature sensor and still having the sam. 2-coolant gets into the cylinders and you leave a trail of white smoke behind you. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your DTS's engine and keeps it from overheating. Imagine you are driving on a hot summer day but suddenly your car starts overheating and you can't use the AC. Overheating can be caused by some many other things like timing, incorrect fuel mixture being too lean or too rich, head/block cracks, system not bled properly, vacuum leaks, sludge in the block, slipping impeller on a water pump, missing fan shroud, etc. Knowing the signs of a leaking radiator will help to protect your investment and keep you and your passengers safe. My car, 2001 Honda Accord has an engine overheating problem that my mechanic can not seem to figure out. There are three ways the head gaskets can fail on a Northstar. If it's not, maybe the radiator solved the problem, and all you need is to fix the cooling fan. my problem started one month ago when i bought gmc acadia slt 2011. Our site contains videos, pictures, multimedia and tons of topics of forums: CTS-V Performance, CTS-V Parts, CTS-V Maintenance and more. If your vehicle's engine has been running too hot, overheating, or running too cold it could mean there is a leak in the. "Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. I got it running with the original engine, did a tune up, valve job, head gaskets, hoses, belts, water pump,thermostat, cleaned the radiator and so on. Not only would this be. ( it will also use an extra qt of oil between oil changes. 2001 Lincoln Ls problems- overheating and achelp please!!! Lincoln LS. If you have any problems with the registration process or your account login, please contact contact us. 2001 Cadillac deville overheating. Easy to check, with distributor cap off, put a socket on the crankshaft bolt, rotate it around to "0" timing mark. New radiator cap from the dealer and problem was solved. An overheating car is a sign that something is wrong, and you can be in line for major repairs if you ignore the issue. If it's not, maybe the radiator solved the problem, and all you need is to fix the cooling fan. Thermagasket…. Overheating Engine. In most cases the original cause is a simple, low-cost repair. ), Radiator Fan, Thermostat, or something else. Today, we look at some common reasons why you car overheats, and how you can fix the problem before it turns into a major bill. My 1953 Cadillac has been overheating for years. Im Solo da Champ owner of a 1999 Cadillac Deville sharing info on how i got my "lac" to go from overheating and antifreeze guzzling to cool calm and coasting. I bring back that car to Cadillac service center and they asked for $700 for replacing new starter on it. 9L (Northstar) had head gasket problems. 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. Like this is clearly a thermo problem if 3 of them are fine out of the box. This company is not yet accredited. by Duane West. Also for: Cts-v 2011, 2011 cts, 2011 cts-v. 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. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. ), Radiator Fan, Thermostat, or something else. I don't know if overheating is a common problem with flathead Cadillacs in particular, but I do recal a friend having the same problem with a '41 back in the late '50's, and it turned out to be the radiator. Because the engine cooling system no longer uses a pressurized coolant surge tank, engine. I have changed the water pump thromostat, radiator cap and I know the fan is working. There are many reasons for an engine to overheat. Vehicle recall news and information. GM says fewer than 1 percent of the cars have the problem. If it's not, maybe the radiator solved the problem, and all you need is to fix the cooling fan. 6 DOHC 32 Valve Cadillac Northstar Engines. It could be as simple as a plastic bag stuck to the exhaust or a bit of oil spilled from your last oil change. Started off as a great car I bought. 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 am not glad at all and definitely I'll not recommended this car in future!!!. Until you find and fix it, you're going to have problems. Learn more about the 1997 Cadillac DeVille. The Chevrolet Corvette Z06 is a track-focused sports car that has some track-related overheating issues. Cadillac CTS Owner's Manual. Left alone, the liquid in the radiator eventually boils over, and steam rolls out from […]. Through online research, my daughter discovered the Cadillac Deville 1999 northstar model/vehicle has numerous issues due to overheating and head. 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. What a blessing you are to us. I put coolant in it everyday and it throws out all of the coolant in the coolant reservoir. Overheating and cracked engine blocks in Cadillac DeVilles. 5l, but I am about to cry! This car will not stop overheating! I started having issues with the car about 8 months ago and the dealership fixed the engine mount issues and the touch screen display. Read the latest news about GM, including information on the company's direction, open recalls, consumer reviews and complaints, and more. See how to add engine coolant (antifreeze) to a 2009 Cadillac CTS 3. a radiator or coolant circulation problem, Check for a. Flathead V8 Engine Overheating Troubleshooting: Home Parts Drawings Web Links Tune-Up & Service Serial Numbers Engine ID Trans ID Model Identification Terms of Sale Contact Us Our Online Store Our Catalog. 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. Any time you experience an overheat condition, it is important to immediately stop driving the vehicle and being to troubleshoot and repair the problem. The most common overheating problem with the Northstar engine is a blocked purge line. Why is My Car Overheating When the AC Is On?. 2-liter LSA V-8s fitted to certain versions of the Cadillac CTS-V and Chevrolet Camaro ZL1. I put coolant in it everyday and it throws out all of the coolant in the coolant reservoir. It's job is to purge air out of the cooling system. Genuine Cadillac Part - 12627054. It started suddenly and it has a new water pump installed with about 75 miles on it. 9-liter V8 engines, and leaking head gaskets causing engines to overheat in Cadillac DeVilles. Fail date miles occurences Purchase date; ENGINE AND ENGINE COOLING: 02/25/2011: 13187 : Tl* the contact owns a 2009 cadillac cts. Cadillac Deville over heating problem. 1999 was the last year that a Cadillac Deville looked like a Cadillac Deville, in my opinion. A problem like yours would not would have never been allowed to let stand. Take it to a local car shop and have it checked out. View information on Cadillac repair and maintenance. I know part of the problem was there was a leak where the plastic and metal met on the left side of the radiator. Cadillac forum for Cadillac owners and Enthusiasts of the Cadillac Escalade, Cadillac CTS, Cadillac STS, and all other model Cadillacs. See Engine Overheating on If the driver safety belt is buckled, including those listed below, it is page 10-14 for more information. So your Northstar powered car overheated, or it's blowing white smoke. It originally had a 361 BB engine in it with 65,000 original miles when i bought it. 5 Cadillac DPi-V. Cadillac & LaSalle Club Message Forum » Cadillac & LaSalle Club Forums » Technical / Authenticity (Moderators: Jeff Hansen, The Tassie Devil(le), Lars Kneller 8246, quadfins, Barry M Wheeler #2189, Bill Hedge CLC 14424, Dan LeBlanc, Peter Collins) » 1963 Cadillac overheating. This blows some excess heat from the engine into the car. Thermagasket…. Get reliability information for the 2007 Cadillac DTS from Consumer Reports, which combines extensive survey data and expert technical knowledge. it will be good for the 1st 25 miles then start overheating the same way. I was told it could be a head gasket. It is probably somewhere at the front of the engine. 2-coolant gets into the cylinders and you leave a trail of white smoke behind you. The impossible to solve overheating problem. Overheating problems. CTS-V Review, Pricing, and Specs. Say what you will about Cadillac, but they practically reinvented the market for top-end cleaners, fuel system cleaners and head gasket sealers. 6 with 140k miles - overheating after initially running smooth on operating temperature for 10 minutes or so. 2005 Cadillac CTS 3. Need suggestions. Has done this sporadically; also, precursor to it overheating is interior heater blowing out cold. which means the first quarter. 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. To test a thermostat, first make sure that the system is ambient temperature and the thermostat is closed. LITER, Upper, WATER. Thermagasket…. Are you trying to help Cowgirl here or are you trying to figure out an overheating problem for your car?. What a blessing you are to us. My Cadillac was overheating last summer and a guy suggested this. As of 2016, common problems with Cadillac engines include oil leaks from the lower crankcase portion of the engine blocks of 3. To see how frequently Cadillac SRX problems occur, check out our car reliability stats. Check out CamelPhat on Beatport. The first car to bear the name was the 1949 Coupe de Ville, a pillarless two-door hardtop body style with a prestige trim level above that of the Series 62 luxury coupe. 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. The cooling system in your 1988 Honda Civic is designed to give years of trouble-free operation. See Engine Overheating on If the driver safety belt is buckled, including those listed below, it is page 10-14 for more information. Depending on you engine configuration and the location of the water pump, the result could be trapped air in the water pump. Especially after any kind of overheating event. It started suddenly and it has a new water pump installed with about 75 miles on it. Issues with the coolant system in your vehicle can be difficult to diagnose. Joao Barbosa, Filipe Albuquerque and Christian Fittipaldi combined to claim the victory in the No. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. In some vehicles with automatic transmissions, the shift cable may not be fully secured to the shifter bracket or transmission bracket. Visit SaferCar. Our site contains videos, pictures, multimedia and tons of topics of forums: CTS-V Performance, CTS-V Parts, CTS-V Maintenance and more. Reasons for overheating include low fluid levels, leaks, burned, old or dirty fluid, or problems with the solenoid. My dealer in Nashville (Andrews Cadillac) treats me like gold. com Summary: Toyota engines are known for their great gas mileage, being very dependable and lasting for well over 100,000 miles. Started off as a great car I bought. See all problems of the 2001 Cadillac Deville. Just discovered that my problem with my 1999 Cadillac Eldorado was caused by the wrong radiator cap. Dedicated to the Lincoln and Cadillac Luxury Automobile Enthusiast. The popular 2000 and 2002 Cadillac DeVilles are prime casualties, with the engine tending to overheat due to a leaking head gasket. after the remedy was performed, the contact stated that there was a significant reduction in engine power. Ships from Arnie Bauer Cadillac Buick GMC, Matteson IL. GM says fewer than 1 percent of the cars have the problem. Click on the FAQ's above to see if your Northstar may be in need of head the gasket repair. But still have the same problem. Car problem(s) with the 1998 CADILLAC DEVILLE. Heating / Cooling / AC. First, the Northstar does not have an "OVERHEATING ISSUE". I put coolant in it everyday and it throws out all of the coolant in the coolant reservoir. GM Recalls Cadillac ATS Models for Overheating Window Defroster. If your Cadillac is overheating, you run the risk of severe engine damage. 2-coolant gets into the cylinders and you leave a trail of white smoke behind you. Replaced thermostat suspecting old one was stuck. Knowing the signs of a leaking radiator will help to protect your investment and keep you and your passengers safe. Mystery Overheating May Be Due to Cooling Fan. It originally had a 361 BB engine in it with 65,000 original miles when i bought it. Check out CamelPhat on Beatport. Overheating can be caused by some many other things like timing, incorrect fuel mixture being too lean or too rich, head/block cracks, system not bled properly, vacuum leaks, sludge in the block, slipping impeller on a water pump, missing fan shroud, etc. 1997 Eldorado overheating (self. Cadillac got its own new Turbo Hydramatic transmission in 1965. An overheating engine is a definite indication that something is wrong. 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. A problem like yours would not would have never been allowed to let stand. An overheating problem indicates that either a major component has failed or that the flow of coolant, or air, has become restricted. In some vehicles with automatic transmissions, the shift cable may not be fully secured to the shifter bracket or transmission bracket. 5l, but I am about to cry! This car will not stop overheating! I started having issues with the car about 8 months ago and the dealership fixed the engine mount issues and the touch screen display. Hit Thumbnails to Open Galleries of Cadillac Northstar Overheating Engine Problems Below Tags: #cadillac 4 6 engine diagram #cadillac engine north star diagram32 #cadillac northstar engine diagram. We were one of the first remanufactures in the country to offer remanufactured 4. Our Other Sites. You may love the heat of summer, but you need to help your car keep its cool when temperatures rise. But still have the same problem. This company is not yet accredited. New NAPA one I believe it's a 190. I am the proud owner of a first-generation Cadillac SRX. ), Radiator Fan, Thermostat, or something else. So your Northstar powered car overheated, or it's blowing white smoke. My car, 2001 Honda Accord has an engine overheating problem that my mechanic can not seem to figure out. It originally had a 361 BB engine in it with 65,000 original miles when i bought it. Read more Cadillac reviews to learn about other models. Before I did all of this the engine had overheated but doesnt show any bad signs while driving around afterwards. My Cadillac was overheating last summer and a guy suggested this. Engine Overheating Problems - Toyota & Others July 5, 2013 3:26 pm dennisb - Auto Tool Sales Cooling Systems , TIME-SERT Kits ©DenLorsTools. Took the car to technician who suggested to replace the engine which would cost $7,000. Cadillac DeVille overheating? Unfortunately this is a common issue for this model of Cadillac. An overheating engine is never a good thing to have happen. Cadillac forum for Cadillac owners and Enthusiasts of the Cadillac Escalade, Cadillac CTS, Cadillac STS, and all other model Cadillacs. Many of you have experienced overheating problems. Which is a known problem with Cadillac Northstar motors. This model will be priced at least $82,000. The Look, the Styling, the Ride, good power, and especially the Comfort!. The laptops are actually hot. Diagnose and repair problems using easy guides, or find local auto shops and repair estimates. An experienced Thermalweld technician can provide the fastest and most cost effective solution to your problem. Cadillac DTS Overheating? RepairPal will help you figure out whether it's your Coolant leak (water pump, radiator, hose etc. Changed water pump, radiator cap, thermostat, checked purge line fluid flowing. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. 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. To mechanically repair the head bolt problem requires a complete teardown. Check for a worn out timing chain, could cause cam and ignition to run retarded, causing an overheating problem. The most recently reported issues are listed below. Issues with the coolant system in your vehicle can be difficult to diagnose. I am not glad at all and definitely I'll not recommended this car in future!!!. Alright I have a 65 coronet wagon. it will be good for the 1st 25 miles then start overheating the same way. I have 1999 Cadillac SLS and have starting problem. Overheating problems. Trying to fix my overheating problem in my Cadillac. No tech memo?, we have helped MANY an owner with overheating, there are SPECIFIC things to check. Changed water pump, radiator cap, thermostat, checked purge line fluid flowing. Apparently more than anyone I have talked to knows. Has done this sporadically; also, precursor to it overheating is interior heater blowing out cold. 1993 Humvee with 17k. Easy to check, with distributor cap off, put a socket on the crankshaft bolt, rotate it around to "0" timing mark. GM Recalls Cadillac ATS Models for Overheating Window Defroster. as my team learned in deep traffic the draft so to speak takes away a significant portion of the cooling ability of the car. Your dura seal head gasket sealer is really easy to use and it actually worked! I tried that blue devil first and it did nothing for my problem. 2005 Cadillac CTS 3. Great product! Used it in my Cadillac and it stop my compression leak in about 3 hours. Learn more about the 2000 Cadillac DeVille. Re: overheating problem with 2000 deville with 4. Although hot weather is the most common cause of overheating, many other factors can cause the same problem. The popular 2000 and 2002 Cadillac DeVilles are prime casualties, with the engine tending to overheat due to a leaking head gasket. Fail date miles occurences Purchase date; ENGINE AND ENGINE COOLING: 02/25/2011: 13187 : Tl* the contact owns a 2009 cadillac cts. Second, if the engine bay was moist with coolant, you have a leak. See all problems of the 2001 Cadillac Deville. For a while it has been saying Coolant Level Low, and Change Oil. If they don't, there is a problem with a control relay or temperature sender. While it's not ideal on a hot summer day (which is when most vehicles tend to overheat), it does help cool the engine down. Dedicated to the Lincoln and Cadillac Luxury Automobile Enthusiast. New NAPA one I believe it's a 190. Overheating problem HELP!! 140 amp Cadillac alternator, Audio system in progress, 4Runner map light mirror conversion, foot well lamp addition, buckets and. What causes catalytic converter to go bad Catalytic converter problems What you need to know about catalytic converter problems. View information on Cadillac repair and maintenance. I have an 89 Grand Marquis that I love but the repairs are killing me. 3 (latest bios) and saw no change. Any time you experience an overheat condition, it is important to immediately stop driving the vehicle and being to troubleshoot and repair the problem. which means the first quarter. Im giving it a shot right now. Apparently there is a problem if it is overheating, playing guessing games will not fix the problem. 1997 Cadillac Deville Radiator Overheating Problem Mobile Mechanic. Overheating is one of the easiest ways to do some serious damage to your engine. the contact stated that the vehicle was repaired under a manufacturers satisfaction program for the timing chain. Get reliability information for the 2007 Cadillac DTS from Consumer Reports, which combines extensive survey data and expert technical knowledge.