A/C Compressor Vibration Through Pedal - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-22-2004, 11:45 PM   #1
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Default A/C Compressor Vibration Through Pedal

Hi all,

Has anyone ever felt a vibration on their acceleration pedal between 1500-2250 RPMs? I feel it when I have my foot on the accelerator with light pressure. I verified it is indeed the compressor (or at least I think it is!) because when I turn the A/C off using the button on the climate control panel, the vibration through the pedal stops.

It isn't a big deal, but I was curious if others 'felt' this on their accelerator pedal.
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Old 04-23-2004, 12:26 AM   #2
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no but had a camry one time that did the same thing. never found a way to fix it though.
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Old 04-23-2004, 12:42 AM   #3
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Yes I do feel the vibration you are talking about from time to time.
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Old 04-23-2004, 10:55 AM   #4
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I haven't felt pedal vibration like that when my AC is on, but I recently noticed pedal vibration under light throttle on my '92 SSE */c after I had the front tranny mount replaced.
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Old 04-23-2004, 11:45 AM   #5
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What is strange is that the throttle cable doesn't go anywhere near the A/C Compressor does it?? The compressor is on the front side of the engine! Wierd...

Its OK, the car is 8 years old, I am just happy I haven't had to replace any A/C parts yet (fingers crossed)
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Old 04-23-2004, 02:02 PM   #6
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i usually feel a slight pedal vibration but not much. i dont think it is to be worried about but let one of the gearheads chime in here!!!
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Old 04-23-2004, 09:22 PM   #7
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Sometimes they make a little more noise when the R-134a is low. How is the cooling?
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Old 04-23-2004, 09:27 PM   #8
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I seem to recall a bit more vibration when my clutch started going (twice now). The bearings sometime go. Any noise coming from the clutch? How are the mounts for the powertrain? A bit of vibration through the gas pedal may be normal for some vehicles but nothing too severe.
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Old 04-24-2004, 02:11 AM   #9
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Quote:
Originally Posted by fuddyduddy121
Sometimes they make a little more noise when the R-134a is low. How is the cooling?
Cooling is good, but you have a good point. Next time its at the garage I'll have them check the 134 level. Thanks
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Old 04-24-2004, 02:13 AM   #10
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Quote:
Originally Posted by A Bonnie Canuck
I seem to recall a bit more vibration when my clutch started going (twice now). The bearings sometime go. Any noise coming from the clutch? How are the mounts for the powertrain? A bit of vibration through the gas pedal may be normal for some vehicles but nothing too severe.
No noise that I'm aware of, but I'll pop the hood and see what I can come up with. The mounts are in good shape; just had a mechanic check the entire car out.
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