HEATER DOESNT BLOW HOT AIR JUST WARM AIR

2000 GMC Sierra

Tiny

Anonymous

March, 4, 2013 AT 10:08 PM

Heater doesnt blow hot air just warm air. Hoses are all warm. Its running at proper temp what could it be

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1 Answer

Tiny

homer1967

March, 5, 2013 AT 12:29 AM

I would suspect a restricted heater core or a blend door issue.

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