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Car Forum / Oldsmobile Cars / March 2004

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Climate Control 96 Olds LSS

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1996OldsLSS - 12 Mar 2004 04:37 GMT
I just bought a 1996 Olds LSS in Arizona and drove it home to Milwaukee.  

On my way home, once the heat became necessary, I started feeling a cold draft.  I realized that the passenger side is blowing cold, while the driver side blows warm.  I tried turning off the passenger side control, but it didn't do anything so I turned the heat up on the dial (located on passenger armrest) but that did nothing either.

Upon further inspection, I noticed that I can't switch the blower controls out of bi-lev.  The buttons light up when I press them, so I don't think the problem is there.  If the temp is turned all the way down, the heater turns off.  The fan speed adjustment works fine.

I think the problem may be in a vacuum line or pump, but would have no idea if this is actually the problem.  If someone could give me some assistance I'd appreciate it.  Thanks.
MrFab - 18 Mar 2004 02:23 GMT
I had a similar problem in my 96 Olds LSS.  Go to this website...http://www.imcool.com/articles/aircondition/fix_vacuum_line.htm.  The explanation is clear and concise, and I was able to fix the problem for $1.87 in vacuum tube hosing and my time and effort.  Not bad, considering after several diagnostic efforts by two GM dealerships that resulted in their quoting me the cost of a "programmer" at $700 plus the labor to install it.  If I can be of any further help, please let me know.  My car's climate control is working great now.
1996OldsLSS - 18 Mar 2004 07:07 GMT
Thanks.  I'll take a look at that and let you know how it went.

Alex
1996OldsLSS - 19 Mar 2004 05:43 GMT
The link didn't work, but I found the article by going
directly to www.imcool.com.  (Clicked on Air conditioning
articles -->  then ?A/C Tech Tip: Redirecting Misdirected
Cool Air in GM C & H Cars?)

That was the exact explanation I was looking for.  I knew
it had to be something with the vacuum lines, but didn't want to go through the trouble of pulling everything apart
then wondering what I was looking at.  I ended up just
bypassing the entire junction shown in figures 1 and 5 by
cutting on either end of the junctions and jumping the
ends with several pieces of 7/64 vacuum hose.

Thanks a lot,
Alex

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