2006 Chevrolet Trailblazer Chevy Getting Heat Back Truck Blow Air Out Vents

2006 CHEVROLET TRAILBLAZER
13,200 MILES
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OCOKER
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I have a 2006 Chevy Trailblazer and I am not getting heat. The back of the truck blow air out the vents but its cold. I had the front blower motor and resisitor replaced and I still get no heat? What else can it be ?
Dec 31, 2012 at 1:01 PM
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HMAC300
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check to see if both heater hoses are hot going to heater. check fluid level if low have pressure checked for a leak, finally check to see if actuator is working onheater under dash
Dec 31, 2012 at 2:16 PM
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