Asked by GuruLHRSV Apr 11, 2019 at 11:55 AM about the 2002 Chevrolet Impala

Question type: Maintenance & Repair

Heater blows out cold air

2 Answers


Top up your coolant level in both the radiator and the coolant bottle. Next, I would check the thermostat or engine temperature at the thermostat housing (195-210F) with an infrared temp scan tool.


A. Coolant is a sealed contraption. That being said your coolant levels shouldn't be low unless you have a leak. B. If its blowing out cold air, does it over heat? Start with thermostat.

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