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Message: <blockquote data-quote="idatahoe" data-source="post: 29153" data-attributes="member: 15122">Hi everyone,I have a 2001 Tahoe with the 5.3. The A/C works just barely. I assumed it had a small leak and needed a charge, so I hooked up my pressure gauge + R134A.Unfortunately, it looks like it cycles from low (below 25PSI or so) to 60PSI on the low side. So the compressor runs, low presssure rises, and the compressor kicks off.It seems like the high side is bleeding off into the low side? I'm not sure if this indicates a bad compressor or something else.Thank you!</blockquote>