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08-20-2021, 02:28 PM
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#1 |
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Registered User
Join Date: Jun 2016
Location: Stevenson Ranch, CA
Posts: 62
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AC compressor chatter
I replaced a 1 year old AC compressor on my 72 c10 added the required PAG 46 oil, pulled a vacuum, verified no leaks, drew a vacuum for 1.5 hours more then added R134, at one point my scale got stuck and I ended up adding about a 1/2 lb more of R134 then I should have.
While loading the R134 all went smoothly. when I went to drive the care with the AC on it started squealing loudly so i shut off the AC and when I got home checked and the Compressor is intermittently locking up. Could it just be that the compressor is bad or is the extra R134 the issue?
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Cesar Diaz 1972 C10 Big Block 402 Cheyenne |
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08-20-2021, 02:50 PM
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#2 | |
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Registered User
Join Date: Oct 2020
Location: Albuquerque, New Mexico
Posts: 474
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Re: AC compressor chatter
Quote:
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08-20-2021, 02:58 PM
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#3 |
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Registered User
Join Date: Jun 2016
Location: Stevenson Ranch, CA
Posts: 62
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Re: AC compressor chatter
yes by a 1/2 lb scale got stuck and I didnt realize it.
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Cesar Diaz 1972 C10 Big Block 402 Cheyenne |
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08-20-2021, 03:05 PM
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#4 |
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Registered User
Join Date: Nov 2014
Location: Austin
Posts: 749
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Re: AC compressor chatter
What is your high side pressure reading and air temp across the condenser. Let's start there and go forward.
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