Ac compressor not engaging
Apr 4, 2011, 03:12 PM
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Ac compressor not engaging
Ok so about a month ago I had my high side line break accidentally and I just replaced it and had the system vacumed and recharged. Now the compressor doesn't engage. I I checked it for power at the clutch and it has power. What could it be? I only have 40 k on this thing it shouldnt be bad. At this point I'm assuming it is though unless anyone has a suggestion.
Apr 4, 2011, 07:43 PM
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If the clutch has power check the ground. If the ground is okay the clutch is bad. The thing is, A/C compressor clutches hardly ever go bad. I think it has to be electrical.
Last edited by barneyb; Apr 4, 2011 at 07:47 PM.
Apr 4, 2011, 07:53 PM
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Are you sure you don't have any leaks from the install? I can't see the compressor going bad by just what you mentioned.
You have to pull a good vacuum and make sure there are no leaks.
They have a pressure sensor and if it is too low the compressor will not come on.
You have to pull a good vacuum and make sure there are no leaks.
They have a pressure sensor and if it is too low the compressor will not come on.
Apr 4, 2011, 08:00 PM
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Are you sure you don't have any leaks from the install? I can't see the compressor going bad by just what you mentioned.
You have to pull a good vacuum and make sure there are no leaks.
They have a pressure sensor and if it is too low the compressor will not come on.
You have to pull a good vacuum and make sure there are no leaks.
They have a pressure sensor and if it is too low the compressor will not come on.
Apr 4, 2011, 08:58 PM
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yes there are no leaks we checked that after we vacumed the system down. i even bypassed the clutch switch and ran power to it directly. guess the clutch just went bad. or more likely shorted out internally somehow. is this common on our cars?
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Apr 5, 2011, 01:31 AM
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Anyone wanna sell me just a clutch? I know the compressor is good I just spent everything I had on a turbo and now this. I'm in Fl this is a problem
Sep 23, 2012, 07:25 PM
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This is a real problem as I've replaced 3 compressors now all with same problem. Clutch bad. Even bench testing it proved it. Bypassing pres switch and direct current. Nothing. My most recent one lasted 3 months. Took it to the dyno. Ac off of course and dead right after. Ugh does anyone have any idea? Is it harmonics? Is it heat? Wtf is killing these?
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