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1990 Cadillac Other Repair Question


Topics covered: Heater, Coolant, Hood.
Mileage: No information provided.

Asked on December 12, 2009

1990 Other Cadillac Models

Heater problem
1990 Other Cadillac Models V8 Front Wheel Drive Automatic 201123 miles

heater is not hot enough. takes the heater long time to warm up. air only flows through defrost vents
Avatar Asked by bigl42

Answer

Replied on December 13, 2009

Check that the thermostat is not stuck open, or not regulating temp properly. The coolant hoses under the hood should get hot to the touch, to the point you have to remove your hand. If you can keep your hand on them, it is not warm enough.

Tiny Answered by factoryjack (expert)
4,285 answers provided