Question about 1999 Chevrolet Silverado 1500

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1996 yukon - heat blowing cold

My 1996 yukon is blowing cold heat. What steps do I take to properly diagnose this problem ?

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If the engine top radiator hose is actually at HOT to the touch ( it will burn you ) and the coolant in radiator is full touch both heater hoses. One side should be HOT and other side warm. If that is all ok check fuses for heater and HVAC, both use same doors in hear control. I hope this helps you.Lee

Posted on Feb 10, 2014

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