Asked by Jan 24, 2016 at 09:04 AM about the 1999 Chevrolet Venture 4 Dr LS Passenger Van

Question type: Maintenance & Repair

Heater only blows cold air help

1 Answer


Does the engine warm up to operating temperature? If not then replace the thermostat. Otherwise there is a blend door actuator that goes bad or a plugged heater core, or low coolant.

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