A/C Compressor not Working - 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 05-18-2008, 02:03 PM   #1
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Default A/C Compressor not Working

Hi, I've got a 92 Bon. I am trying to get the AC to work. The pressure in the system is aprx 35 psi. When the AC is turned on, the compressor clutch does not turn on. The fuses on the drivers side and the passenger side look good. Does anyone have any idea where I can look next to fix the problem. Sensors etc?? Thanks
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Old 05-20-2008, 10:28 PM   #2
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the schematic for compressor control is not for your situation but maybe it will give you some idea of all that is involved in compressor control.

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Old 07-05-2008, 12:49 PM   #3
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If you are lucky it is a relay located in the relay center on the firewall. If you can figure out which one it is, you can swap it with another relay with the same part numbers and see what happens. If your car works normally and the AC still doesn't work, you have a long road ahead. Also my '93 has 3 fuse clusters, the steering column, relay center and kick panel.
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