Air Conditioner - 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 04-29-2004, 02:41 PM   #1
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Default Air Conditioner

Yes i have a 1996 ssei and the problem is that i put the a/c on and the sound it makes it seems like its running on high which it is but the air that comes out from the vents is very poor for a minute i thought it was the blower but its new and at night time it works a little better. Any sugestions on what should i check for?

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Old 04-29-2004, 02:46 PM   #2
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small vacum hose near the brake booster..should go from tb to small vacum port near break booster. check to see if it'* fallen aloose.
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Old 04-29-2004, 02:49 PM   #3
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Is the air all coming out of the right vents?
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Old 04-30-2004, 04:37 PM   #4
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Yes it blows a little more from the passenger side than the driver side
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Old 04-30-2004, 08:37 PM   #5
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Old 05-04-2004, 03:03 PM   #6
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I took it to a shop and they tell me that these cars by default the air condition on high dont run the same speed as others, i find that hard to believe. if i clean the evaporator like you said in your last document would it improve the air power through the vents? Please help so i can tell the guy in the shop to take it out and clean it thanks...
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Old 05-10-2004, 12:49 AM   #7
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If your problem is a clogged evaporator, then it should work... However, I have found that my A/C blows quite a bit less than some other cars. You don't have to pull the whole evaporator to clean it, though. Check the techinfo article.
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Old 06-08-2004, 03:59 PM   #8
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I checked the evaporator but it was clean i also added some gas which was a little low now its very cool, but still no power blowing through the vents. Any sugestions on what should i check? The mechanic tells me that the construction of the bonneville'* air conductors is very poor and there is nothing they can do.
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Old 06-08-2004, 04:04 PM   #9
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Default Re: Air Conditioner

Quote:
Originally Posted by Archie
The mechanic tells me that the construction of the bonneville'* air conductors is very poor and there is nothing they can do.
Bah!!

Keep in mind that the ECC (I'm assuming you have) was not designed to blow hard, but to blow just enough for climate control, and is regulated to several vents by the HVAC programmer. Mine does the same thing, but is very cool in the cab in no time. It works swell!!
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Old 06-08-2004, 06:54 PM   #10
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I can say that my A/C does not blow nearly as hard as my friend'* Altima. If you cleaned the evaporator per the procedure, the next thing you can do is compare it to another Bonneville.
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