Question about 1994 Cadillac DeVille

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Engine seems kinda to hot but fans not coming on but no warning light about overheat

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Maybe the thermo relay is not working properly and you may need to get your auxillary fans checked. you dont want to gamble your engine life for a faulty fan.

Posted on Feb 02, 2010

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What makes you think engine is too hot ?

Posted on Feb 02, 2010

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Have bmw 320i 2001 only 55570 miles. even driving after 10 miles engine get hot. no problems with driving , no warning light but it stays hot even after2 hours. please need advice. car was checked


This bmw is overheating , even after 2hrs, the engine will still be hot after it verheats. the basic thing to do first is to allow the engine to cool down 5-6 hours or even overnight.then check to see if the cooling system is full of coolant. this problem may be caused if lets say the coolant level is low, this can happen if theres a leak in the system. if low fill system and then have it checked for leaks.another problem if the system is not low then you may have a bad thermostat, a bad thermostat will not allow the coolant to flow inturn making engine overheat, the the last common problem could be a bad fan, start in the order i listed as far as the thermostat watch the gauge and feel the lower hose, if the gauge goes to hot and the lowe hose is luke warm or cold and the top radiator hose is hot then the thermostat is bad. the last test is for the fan, if the top hose and the lower hoses are hot and the car is starting to overheat then it may be the fan, see if the fan is spinning, this car may have an electric fan or belt driven fan, if its electric then see if its running, if the fan is not running then testing need to be done to see why, the fuse and the relay will need to be tested and then the fan itself. if the fan is belt driven then you will see if the belt is on the fan pulley and then check the fan clutch, the way the fan clutch works is the fan will run at a slowwer speed than the engine and then when the heat from the radiator gets hot and blows on the front of the clutch this causes the fan clutch to lock up and makes the fan spin faster. check to see if this is happening but if this were to be the problem or if the fan was aproblem the car would not overheat as you are driving rather it would overheat at a stop or in slow traffic because the air flow from the driving would act like a fan as the air flows through the radiator from driving this would cool the engine if it was the fan, but if the car overheats even while moving then it would not be a fan problem but rather the thermostat or low coolant. there is another problem but i would start with these. hope this is helpful.

Oct 02, 2011 | BMW Cars & Trucks

1 Answer

Renault laguna engine fan not coming on and engine overheats and red warning light comes on and says to stop. coolant ok but everything gets really hot. ok when doing long journey but not when stopping and...


Hi,
The problem would be the radiator cooling fan.
  • Check first the relay, interchange that relay from similar one in the fuse box in the engine compartment.
  • Check the radiator fan motor, pull down the fan motor and directly connect it to the battery.
  • Check the cooling fan thermo switch, it is located underneath/side of the radiator assembly. To check it, just get a paper clip and short the socket connector, fan should run if not the relay has a problem or the fan motor is already malfunctioning.
Hope that helps you out.
Tanks for asking FixYa!

Aug 04, 2011 | Renault Le Car Cars & Trucks

1 Answer

2000 Oldsmobile Bravada. Engine is running hot, and I have intermittent heat. I've replaced the thermostate last week and now the problem is worse than before. Engine will get up to 260 check gauges light...


CHECK FOR LOW COOLANT.YOUR CLUTCH FAN COULD BE BAD IT CAUSING ENGINE TO OVERHEAT.WHEN ENGINE GET HOT THE SILICONE OIL IN FAN CLUTCH GET HOT CAUSE THERMOSTAT SPRING EXPAND CAUSE FAN CLUTCH TO LOCK IN TURN FAST WITH ENGINE TO COOL OFF ENGINE. IF FAN IS WOBBLY OR FREEWHEELING ITS BAD.

Dec 17, 2010 | 2000 Oldsmobile Bravada

1 Answer

Car ran hot now it wont start at all


THE ENGINE IT WONT CRANK IF OVER HEATED CHECK COOLANT LEVEL IF LOW ADD COOLANT.REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP.IF ENGINE STILL OVERHEAT AT A STANDSTILL OR IN A LONG LINE OF SLOW MOVING TRAFFIC.COOLANT FAN SHOULD COME ON.IF ENGINE OVERHEAT CHECK TO SEE IF COOLANT TURNS ON IF NO.CHECK COOLANT FAN FUSE AND RELAY.IFBOTH OKAY HOTWIRE COOLANT FAN TO SEE IF FAN RUNS IF NO REPLACE COOLANT FAN MOTOR. IF FAN RUNS PROBLEM COULD BE PCM OR THE COOLANT TEMPERATURE SENSOR FAULTY OR DAMAGE WIRE CONNECTOR TO COOLANT FAN.USE A CODE SCANNER TO LOOK FOR PCM OR ECT FAULTS.IF EVERY THING CHECK OUT OKAY LOOK AT ENGINE OIL DIP STICK.IF IT LOOKS LIGHT BROWN OR LIKE MILK SHAKE YOUR HEAD GASKET BLOWN.MAKE SURE YOU HAVE 50/50 ANTIFREEZE AND WATER TO ENGINE TO HELP RAISE BOILING POINT.WHEN OUTSIDE TEMPERATURES HOT.

Aug 05, 2010 | 2000 Oldsmobile Alero

1 Answer

Accord with 2.2 runs a little on the warm side and i noticed today only 1 of the 2 fans behind radiator seem to work would this cause engine to overheat


what is a lil warm did engine overheat light come on? 2 fans 1 likely works with a/c. if good themostat done.ASAP

Apr 24, 2010 | 1995 Honda Accord

1 Answer

1996 Grand Am SE Running Hot


The fans only come on 2 cool down the engine if it is not hot they wont come on,but if it become hot they should kick on and cool ur vehicle down unless the main fuse for the fans are blow out, It sounds like your thermostat is out, I need more additional information from you, please text me at 4195458235 for 24/7 support

Jan 20, 2010 | 1996 Pontiac Grand Am

1 Answer

Dashboard overheat warning light blinks continuously after 5-mi


It is not the thermostat since it only overheat on stop n go situation. Most likely cause is a bad radiator fan. Turn on the AC and see if both the radiator, and the condenser fan works. They should both be working when the AC is turned on. Lets stick to this for now. Let me know what happened. I don't want to confuse you with too many possiblity.

Nov 14, 2009 | 1998 Volkswagen Jetta

2 Answers

Exhaust gas warning light on. Took to garage who hooked it up to their computer. Over heating but fan comes on so mechanic said no problem. Petrol seems to have gone down quickly on short journey. Engine...


just because the fans come on that doest mean that there is no problem if your thermostat is not operating correctly this could make your engine over heat also while your at flush yout coolant system really good.

Nov 12, 2009 | 2006 Volkswagen Golf

2 Answers

Car overheats. no coolant leak. fan doesn't seem to come on when hot


If the fan isn't coming on when hot, check the 'cooling fan control' (which signals the engine control computer that the fan should go on at a certain temp, and check the 'cooling fan switch' which should turn the fan on when told to by the computer. Also check your radiator cap, hopefully one or a combination of these will fix the car. Let me know how u make out.

Oct 24, 2008 | 1991 Pontiac Grand Prix

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