I need to know how to fix the heat in my 1992 GMC sierra 1500 SL. The heater will only blow hot air on high at my feet all the time and I can't change where it blows or the temperature.

Asked by Jan 13, 2016 at 07:02 PM about the 1992 GMC Jimmy

Question type: Maintenance & Repair

Please help I need to get this fixed

1 Answer

72,265

May be the HVAC Actuator gone bad, An electrical part located under the dash.

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