a/c starts and stops - Page 2 - 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 07-10-2005, 10:27 PM   #11
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Quote:
Originally Posted by willwren
A scantool can tell you a few things about the AC. And no SE ever came with electronic climate control, so unfortunately, you can't do diagnostics from the ECC panel.
I have seen a handfull of SE'* with the ECC... I have no idea why.... Must be a Florida thing... Lots of dealerships here ordered Bonnies optioned up... An SE that would be an SLE if it weren't for the cloth interior A lot of retired people bought Bonnies here...lol I have also driven several 89-91 LE'* and SE'* with the ECC and steering wheel controls... Too many options I swear...

And yes an SE will tell you a good bit....

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Old 07-10-2005, 10:32 PM   #12
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Originally Posted by young
hi Its me again.
How do u determine if the compressor is bad? and also how do you know if there is enough peg oil in the compressor? does this sound like it could be the cause tof the compressor doing this?
Sounds like one of a few things, could be a Relay, pressure switch or an intermintent fault in a wire... either way it needs to be looked at... Its hard to say where the problem may be... I don't think the compressor is bad... There is another issue at hand...

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Old 07-10-2005, 11:29 PM   #13
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it me! My friend is the one who converted it over to r-134. When he was adding the peg oil he didn't have the hose on tight,and alot of the oil leaked out of the can. could this cause the compressor to act this way? or someone told me at advace auto parts that you couldn't change that year car over to r-134 without replacing the compressor. Is this true? and could this have locked up the compressor not having enough peg oil in it?sorry I am not to machanicaly inclined.were are the switches to check? and how do you check them?
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Old 07-11-2005, 12:29 AM   #14
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The first thing that i would do is take off the plastic cover that hides your fuse center, behind the engine, near the passenger strut tower, unplug the switch on your accumulator ( silver tank ) jump the connector with a wire, take the car for a ride, if the A/C stays working you have a bad pressure cycling switch.

Good luck,
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Originally Posted by young
it me! My friend is the one who converted it over to r-134. When he was adding the peg oil he didn't have the hose on tight,and alot of the oil leaked out of the can. could this cause the compressor to act this way? or someone told me at advace auto parts that you couldn't change that year car over to r-134 without replacing the compressor. Is this true? and could this have locked up the compressor not having enough peg oil in it?sorry I am not to machanicaly inclined.were are the switches to check? and how do you check them?
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Old 07-11-2005, 12:45 AM   #15
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I had that problem with my 92 it turned out that level was low. it would sit turn on and off on and off
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Old 07-12-2005, 07:22 AM   #16
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I had the problem with broken pins on the connector after I had my wiring harness replaced. The mechanic had disconnected the compressor and when he plugged it back in some of the pins got pushed out of position. Had intermitent contact which caused it to work sometimes and not others. Replaced connector, problem solved.
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Old 07-13-2005, 11:57 PM   #17
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when you say connectors, do you meen the ones on the compressor or do meen the connector on the wire side? and if that is it how do you replace the connector? and one more question. how do jump the cycling switch with a wire?
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Old 07-14-2005, 12:07 AM   #18
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Unhook the connector from the switch, then get a piece of wire with both ends bare, stick the 1 piece of the wire in one slot and the other end in the other slot.

Sellncars

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Originally Posted by young
when you say connectors, do you meen the ones on the compressor or do meen the connector on the wire side? and if that is it how do you replace the connector? and one more question. how do jump the cycling switch with a wire?
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Old 07-14-2005, 12:26 AM   #19
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its me. I tried this with a paper clip, is this the same thing? and when I did that i herd a clicking noise, but the compressor never came on, what was the clicking and does this meen my compressors bad?
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Old 07-14-2005, 11:49 PM   #20
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any idea were i can get a diagram of what my relays are under the hood(maxi fuse/relay center) mine doesn't have the diagram on them
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