no heat in system

Asked by Dec 19, 2015 at 05:00 PM about the 1998 Cadillac Catera 4 Dr STD Sedan

Question type: Maintenance & Repair

cold air

2 Answers

49,905

If the engine is not warming up to operating temp. then the thermostat would need to be replaced. IF it is warming up to operating temp. there is a heater water pump, heater valve, and blend door actuator which any could be bad.

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I need a diagram on how my hoses an where they come from that go to my heater valve

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