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front defroster and floor vents wont work


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as i said in the title the front defroster and floor vents wont work, i can hit all the buttons bilevel heat a/c and defroster and it just stays the same its hard to drive because the window fogs up and its a 1987 gl wagon so if anybody knows what it is it would be a lot of help:-\

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If you open the hood, over by the base of the windshield on the passenger side you will see a milky white plastic container. This is the vacuum storage bottle. There will be a rubber hose running from this through the firewall, and another rubber hose running down to the intake manifold on the engine. Make sure both of these hoses are hooked up, and that they don't have cracks. Listen for a hissing noise while the engine is running in this area.

 

The vents use vacuum to move the doors inside the ductwork, so if there isn't any vacuum reaching the controls, the air will only blow out of the dash vents.

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lIt doesnt seem to be blowing very hot. Its still hot but not like hot. The front window defrost is slooooooowwwww. i get more heat out of one vent then i do another.

 

Its cold here with ice and snow not the right time to dig into it.

 

ben

 

Sounds like a clogged heater core :-\ I just helped a friend replace his last week. PITA.

 

You can try flushing it with a garden hose, then putting the hoses back on reverse of what they were. It might help, might not, but can't hurt.

 

-Dave

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