10-14-2010, 04:17 PM
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#1
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Premier V.I.P. Member
Join Date: Sep 2010
Location: Howard, KS
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HVAC issues
when I pulled the trim plate off to install a new stereo I pulled it a bit to far and a vaccuum hose came loose, now it doesnt change temperate but the fan blows and there are no lights on the HVAC and selectors dont work, does it have to go to a shop or is it a simple fix?
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2004 Audi TT Quattro 1.8t 
1969 Chevrolet Biscayne 2d
1963 VW Beetle
Last edited by 03Sleepr : 10-14-2010 at 04:25 PM.
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10-14-2010, 04:36 PM
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#2
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GLS member
Join Date: Apr 2010
Location: Valley City, ND
Posts: 999
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Reconnect that vacuum hose, that's what runs the different settings for your HVAC. If there's a malfunction it defaults to defrost, which runs your a/c compressor, so you'll wear it out faster, plus lose mileage/power. As for the lights you obviously disconnected/broke a wire as well, so you'll have to track that down and fix it.
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2003 Alero GL2 LA1: pacesetter cat back, Energy Speed WAI, Magnaflow downpipe/cat, tinted tail lights, and polished letters on intake manifold.
1987 Honda Rebel 450
1967 Buick Riviera 430 Wildcat: roadworthy but needs restoration.
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10-14-2010, 05:44 PM
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#3
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Premier V.I.P. Member
Join Date: Sep 2010
Location: Howard, KS
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thanks, the vac hose never came all the way off it just loosened up enough to lose pressure, I put it back on tight...I checked all fuses and they were still good, so I guess tomorow I'm chasing wires...
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2004 Audi TT Quattro 1.8t
1969 Chevrolet Biscayne 2d
1963 VW Beetle
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10-14-2010, 09:48 PM
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#4
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GLS member
Join Date: Apr 2010
Location: Valley City, ND
Posts: 999
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Does it at least work properly now(except lights)
__________________
2003 Alero GL2 LA1: pacesetter cat back, Energy Speed WAI, Magnaflow downpipe/cat, tinted tail lights, and polished letters on intake manifold.
1987 Honda Rebel 450
1967 Buick Riviera 430 Wildcat: roadworthy but needs restoration.
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10-14-2010, 11:18 PM
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#5
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Premier V.I.P. Member
Join Date: Sep 2010
Location: Howard, KS
Posts: 1,848
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yea, It doesnt heat up or cool down very much, just vent temperature, but I can switch the vents and blower speed
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2004 Audi TT Quattro 1.8t
1969 Chevrolet Biscayne 2d
1963 VW Beetle
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10-15-2010, 12:13 AM
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#6
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GLS member
Join Date: Apr 2010
Location: Valley City, ND
Posts: 999
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Well that could be a clogged heater core too, try flushing it. If you don't know how I can write a little how to, although there won't be any pictures.
__________________
2003 Alero GL2 LA1: pacesetter cat back, Energy Speed WAI, Magnaflow downpipe/cat, tinted tail lights, and polished letters on intake manifold.
1987 Honda Rebel 450
1967 Buick Riviera 430 Wildcat: roadworthy but needs restoration.
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10-15-2010, 12:35 AM
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#7
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Premier V.I.P. Member
Join Date: Sep 2010
Location: Howard, KS
Posts: 1,848
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I doubt its the heater core, It worked great before this happened, but I guess anythings a possibility, I'll update If I find a loose or broken wire tomorow, thanks for the help
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2004 Audi TT Quattro 1.8t
1969 Chevrolet Biscayne 2d
1963 VW Beetle
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