HEATER NOT BLOWING WARM AIR

2010 Chevrolet Colorado

Tiny

tmeeks51

January, 12, 2012 AT 3:53 PM

When I turn on the heat it blows cool air only. One time it started working about 20 minutes after turning it on

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1 Answer

Tiny

hmac300

January, 12, 2012 AT 4:44 PM

Check to see if both heater hoses are hot when thetruck is warm. If they are thenits an actuator problem. This still should be covered under warranty with the miles and yr you are showing. It could also be the control head.

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