no heat on 1995 Chevrolet Tahoe

turn heat on blow cold air

by in Decatur, GA on December 07, 2010
1 answer
ANSWER by on December 07, 2010
This could be a bad thermostat (stuck open), clogged heater core, or bad actuator motor or linkage to vents. Should be taken in for a diagnosis.
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I just picked up this truck and has no heat I changed radiator cap and thermostat but did nothing has heat at idle but loses it as you dri...
Takes up to 15 minutes for the heat to come on and the interior button won't stay on.
Could the heater core be stopped up? should I try flushing it?
AC system picture showing low presure valve

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