Air only blowing on windsheild or on floor no middle vents.. - 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 04-03-2006, 05:02 PM   #1
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Default Air only blowing on windsheild or on floor no middle vents..

My 97 SSE has problems with the climate control I think. The air is only coming from the windshield or the floor. I can switch it from floor to windshield and winshield to floor but I can't get it to blow through the middle vents at all. I have ran the car to warm it up then disconnected the vacuum line that goes to the resevoir and there was vacuum.
I've been to these posts and still can't find a answer:
http://www.bonnevilleclub.com/forum/...966&highlight=
http://www.bonnevilleclub.com/forum/...asc&highlight=
http://www.bonnevilleclub.com/forum/...highlight=hvac
http://www.bonnevilleclub.com/forum/...hlight=air+mix
http://www.imcool.com/articles/airco...acuum_line.htm
and so on...

There is vacuum by the reservoir…
Please help and thank you as always….
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Old 04-03-2006, 06:28 PM   #2
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todd,

i had the same prob. with my 97 lesabre. my solution was to switch the floor or windshield vacuum hoses with the vent one. i prefer vent and floor...so i put the vent hose onto the windshield and the windshield one onto the vent one. does that make sense? sounds confusing to me
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Old 04-03-2006, 06:51 PM   #3
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Quote:
Originally Posted by Mr Bean
todd,

i had the same prob. with my 97 lesabre. my solution was to switch the floor or windshield vacuum hoses with the vent one. i prefer vent and floor...so i put the vent hose onto the windshield and the windshield one onto the vent one. does that make sense? sounds confusing to me

hmmmmmmmmmmm.......
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Old 04-03-2006, 07:10 PM   #4
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It deffinately sounds like your vent actuators aren't functioning. That'* just my unejimuhkated opinion.
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Old 04-03-2006, 09:48 PM   #5
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My 94 works based on the temperature. For instance, when I go from 90 to 60 it goes from the floor, to the floor and vent combo then just to the vents. It cycles in reverse when I go back up to 90.

Not sure if mine is normal, but it has been working that way consistently since buying the car.
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Old 04-03-2006, 10:27 PM   #6
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Todd...Hang in...I'm going for back up! BRB.. with your answer

I'm back...
Here'* the problem, solution and easy fix up. Any questions Echo SSEi should be beated down for information...he'* done this.
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Old 04-04-2006, 11:41 AM   #7
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where is bob these days? anyway, where'* the solution bill? i could use this one too.
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Old 04-04-2006, 11:50 AM   #8
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Sorry...my bad, forgot the paste button

Searching on vacuum nipples with Echo SSEi you find a link to this

http://www.bonnevilleclub.com/forum/...r+centre+vents

Long read..but it'* good stuff.
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