Cadillac overheating

Asked by Stephen Mar 29, 2017 at 12:40 PM about the 2002 Cadillac Seville SLS FWD

Question type: Maintenance & Repair

My '02 Cadillac Seville has had head gaskets
replaced, new water pump new hoses, still
overheats, fan has a short I think, the coolant is
getting hot, I turn off the car for about 5 min and it's
already cooled down

3 Answers
605

CCW answered 7 years ago

Ck the heater core to see if it's blocked what you do is disconnect the hoses take a garden hose and apply to intake and the water will come out the out put

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605

CCW answered 7 years ago

You can also by pass the heater core and drive it to see if it still over heating if you don't have problems then you need a new heater core

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120

Gregory answered 5 years ago

Unplug your coolant sensor thermostat, and both fans will run at high speed, I've had that problem with my 00 sts,and my 01 deville,both have had the head gaskets done.and I installed a after market cooling fan relay kit on the STS.

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