Question about 1997 Oldsmobile Cutlass Supreme

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Ok the car is overheating i've replaced the water pump the fans were not working either so i put a switch on so they will come on.The car was keeping in a good range for a while now it overheats fast.what could be my problem now?

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  • Oldsmobile Master
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The fans work independently. The Temp sensor for the engine fan(left or drivers side) is just above the oil filter on a 3.1 V6. I unplug it when changing the filter and forgot to put it back twice.
So check that its connected. The other fan is for the A/C and should come on almost instantly when you turn the A/C on.

Also, Check under and behind the front bumper. There is a black plastic piece that airflow will push down and back against and in front of the radiator. This blocks the airflow thru the radiator and your car will get hot fast. Just reattatch it the bottom of the bumper with 4 or 5 screws.

Posted on Aug 08, 2011

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Try turning the heater on when the temp raises. If you get no heat, you need to burp the cooling system. There is a bleeder valve somewhere by the engine next to a radiator hose. If you cant find the bleeder valve, run the engine, open the radiator reservoir (not the radiator cap, it could spray you w hot liquid) and when the engine gets to operating temp, squeeze the top hose over and over, yoiu should see bubbling at the reservoir. good luck

Posted on Sep 17, 2010

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  • Oldsmobile Master
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Take off radiator cap or look in coolant reservoir for air bubbling. If you have this, your head gasket has blown or your head is cracked. Let us know if you have more questions.

Posted on Sep 17, 2010

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