Air Vents - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-27-2006, 09:21 AM   #21
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Holy Dissertation Batman! That was one long thread!

The information included is really good stuff though. It would be great if someone *cough*Bob*cough* would consolidate that info into a tech write up.

BTW: not a small task. The original copy/paste version of just that thread (not counting the linked info) is almost 70 pages before any clean/edit...
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Old 01-27-2006, 09:38 AM   #22
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Quote:
Originally Posted by Tragz
Guys, Im still stuck on this. I check the line from the cainster to the firewall everything looks good, next i took the plastic panel under the glovebox off and found some sort of tube holder close to the floor of my car it had about 6 colored tubes all connect to it. I found the violet tube but couldnt locate where it came from. I think its time to take the HVAC out?? and manually check the tubes????
I think it'* time to remove the hush panel, lie on the floor, remove the glovebox if necessary, and find where the violet tube goes to the connector through the firewall and remove the slip connector (hard to do). Then check to be sure you are getting good vacuum through the black tube coming through the firewall.

You could have someone hold their finger on the end of the black tube and have someone wiggle different parts of the black vacuum tube under the hood, where the vacuum tank is, where the tube goes through the firewall, to try to open a leak. Or use a vacuum gauge on the inside.

Then when you're sure your vacuum is proper to the programmer, you're ready to open it, list the colors of tubes into the black connector and which color they match on the output side, cut the tubes right next to the programmer, and reconnect with the method of your choice.

If yours is in the 1% of problems that are the softening of the nipples inside the connector, you'll have a cheap fix compared to $450 plus labor for new programmer from a dealer.
http://www.imcool.com/articles/airco...acuum_line.htm
Click on the pictures for larger versions to see what your process will look like.
1/8 Inch gasoline line slips easily over the little tubes with a little water or coffee on them for lube. Someone else found a small vacuum line-maybe Radio Shack type store might have something... NAPA gave me gas line FREE.

Then if you're con
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Old 01-28-2006, 12:23 PM   #23
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I think I temporarly fixed my air flow to the middle vents. When I check the tubes on the behind the hush panel the violet tube seems alittle loose so I decided to put on electrical tape around it and right now its running better than it ever did. If the problem presist I will contact you guys
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Old 01-28-2006, 01:09 PM   #24
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Quote:
Originally Posted by Tragz
I think I temporarly fixed my air flow to the middle vents. When I check the tubes on the behind the hush panel the violet tube seems alittle loose so I decided to put on electrical tape around it and right now its running better than it ever did. If the problem presist I will contact you guys
We'll be here for you. The violet tube is the main vacuum line to operate all of the flapper doors for the air system, so if it was loose/leaking, that would have definitely caused a problem. Good job!
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Old 01-28-2006, 09:01 PM   #25
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Quote:
Originally Posted by Tragz
I think I temporarly fixed my air flow to the middle vents. When I check the tubes on the behind the hush panel the violet tube seems alittle loose so I decided to put on electrical tape around it and right now its running better than it ever did. If the problem presist I will contact you guys
Was it at the multiconnector at the programmer or at the end of the violet where it connects into the black tube coming through the firewall?
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Old 01-28-2006, 10:37 PM   #26
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I fixed the violet tube at the end of the violet where it connects into the black tube coming through the firewall and connect to a rubber tube holder that holded several different color tubes. All i did was wrap a small piece of tape around the end and its fixed for now!!!
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Old 01-02-2007, 12:23 AM   #27
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thank you all for this information on fixing my inop automatic hvac. i was able to fixed my 98 bonnie because of this thread . joe
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Old 01-02-2007, 01:20 AM   #28
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Please don't dig up old topics. Please try to start a new one of your own if you need it.

We're glad we could help though.
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