glwagonman Posted December 17, 2007 Share Posted December 17, 2007 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:-\ Link to comment Share on other sites More sharing options...
hooziewhatsit Posted December 17, 2007 Share Posted December 17, 2007 sounds like a vacuum line under the hood came loose. Look for one to go from the intake manifold to the white canister thing behind the passenger strut. -Dave Link to comment Share on other sites More sharing options...
WoodsWagon Posted December 17, 2007 Share Posted December 17, 2007 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. Link to comment Share on other sites More sharing options...
glwagonman Posted December 17, 2007 Author Share Posted December 17, 2007 yup that was it i looked under the hood and one of the little tubs had come off so thanks guyss:banana: Link to comment Share on other sites More sharing options...
Cougar Posted December 17, 2007 Share Posted December 17, 2007 Another satisfied USMB member. Yeah! Link to comment Share on other sites More sharing options...
Bucky92 Posted December 17, 2007 Share Posted December 17, 2007 I was going to say the same thing ( sitting at dealer waiting for oil change ..check up and aux port install and playing on thier puter). Arent the easy fixes great! Link to comment Share on other sites More sharing options...
The Dude Abides Posted December 17, 2007 Share Posted December 17, 2007 How about if it works just not that great. Ben Link to comment Share on other sites More sharing options...
Bucky92 Posted December 17, 2007 Share Posted December 17, 2007 Ben..you could have a cracked vac line??Is it just not blowing strong? Or just poor heat..if its poor heat back flush the core Link to comment Share on other sites More sharing options...
The Dude Abides Posted December 17, 2007 Share Posted December 17, 2007 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 Link to comment Share on other sites More sharing options...
hooziewhatsit Posted December 18, 2007 Share Posted December 18, 2007 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 Link to comment Share on other sites More sharing options...
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