Question about 1996 Cadillac DeVille
Ity sounds like the electric fan is not turning on, if it is only overheating at idle (sitting still) and is not overheating when driving, but any good shop should have already determined this. open the hood while idling, and watch to see if the fan by the radiator turns on when idling, and the temp is going up. if the fan is indeed working, then it may be the head gasket, or it may be a slow-to-open thermostat.
if it is the head gasket, you should notice one of the following symptoms: smoke out the tailpipe- usually white, green or red (depending on your type) coolant dripping from the tailpipe at start-up, murky or bubbly oil from coolant leaking into the oil, or an oily film on top of the coolant from oil leaking into the coolant. a clear water drip from the tailpipe is normal, form condensation, but if the drip is the color of your coolant, then you definitely have a head gasket issue.
Posted on Mar 27, 2011
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Posted on Jan 02, 2017
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