2000 S10 heater problem

By Aldon73
January 12, 2019 in Ask A GM Technician

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Aldon73

Posted January 12, 2019

My father-in-law has a 2000 S10 with the v6. The engine heats normal but can't get hot air to blow out. With the temperature dial turned all the way to the right, the air only comes out barely warm and only in the upper body position. If put in any other positions other than that it blows cold air. Possible actuator problem with temperature blend door?

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