05 Chevy trailblazer

Asked by Jaymil315 Mar 04, 2017 at 02:59 PM about the 2005 Chevrolet Blazer LS Fleet 4-Door 4WD

Question type: Maintenance & Repair

The heat in my truck doesn't work it only goes from
cold to cool I switch it to hot but just stays cool it
blows strong on window vent but not on dash
either what could this be the cause of?

1 Answer
221,015

Rowefast answered 7 years ago

If the engine temperature is normal, and the heater hoses are getting hot, then there is a problem with a blend door actuator under the dash not operating the blend door for the climate control.

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