Mechanics

CHEVY DEFROST VENT NOT OPENING

1996 Chevrolet Truck

Heater problem
1996 Chevy Truck Four Wheel Drive Automatic 250000 miles

The vent for defrost on the drivers side is not opening and when set to defrost makes a loud noise like a hose is off or air is blocked? All the other settings work fine but in this cold weather, the defrost is what I need at -30! I have tried to look in manual and online to see what is involved in getting to the problem but not much luck. Have been told the dash is a nightmare to get behind/under.
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Hadleyhapns
December 22, 2008.




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