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Compressor bypass

Tiny
KEV1122
  • MEMBER
  • GMC JIMMY
1995 GMC Jimmy, 130,000 miles, 4.3L V6

My compressor has a bad bearing w/ a loud, whining noise. I don't want to pay to fix, so I want to bypass the compressor. I need a new belt anyways. Can I bypass the compressor w/ a belt made for that engine w/o air? If so, what is the wheel just below the compressor? The belt routing seems that it would turn that wheel opposite of it's current rotation. Or, do I need a compressor bypass pulley?

Thanks!
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Saturday, May 19th, 2007 AT 1:41 PM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
You need to make a schetch of the belt layout with arrows pointing as to the rotation. Using a string, wrap it around the pullies so that the compressor is by-passed. IF there is no straight line between the pullies because of compresor interference, you need to remove the compressor and or compressor clutch or not do it.


https://www.2carpros.com/forum/automotive_pictures/30961_wac_1.jpg



https://www.2carpros.com/forum/automotive_pictures/30961_woac_1.jpg



It looks like the diagram with out a/c has an added idler pulley. You may need to get a bracket from the scrap yard to convert it.
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Friday, May 25th, 2007 AT 5:06 AM

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