ac-heat will only blow from dash also high idle?

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ac-heat will only blow from dash also high idle?

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Chevrolet >> Chevy Trucks, Vans & SUV's >> Suburban >> ac-heat will only blow from dash also high idle?

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ac-heat will only blow from dash also high idle? - 12/16/2007 5:13:55 AM

skyirse

Posts: 1
Joined: 12/16/2007
Status: offline

1990 gmc suburban heater/ac will not blow from defrost or floor no matter where switch is at, and temp knob will not go all the way to cold , feels like its stuck? Engine idles high all the time any help would be greatly appreciated Oh yes and also rear heat was removed any help on how to reinstall would be great.