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95 chevy pickup AC repair
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smarcha
New User
Aug 26, 2016, 12:26 PM
Post #1 of 2
(1334 views)
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95 chevy pickup AC repair
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the AC compressor locked up on my 95 chevy c2500. i relaced the compressor, accumulater/drier and orifice tube and flushed the system. i followed all oil additive instructions. after evacuating the system and determining there were no leaks, we started adding freon. ac switched on and fan set to max, of course. it was very slow taking freon and the compressor clutch never engaged. pressure gage said 115 lbs. why isn't the clutch engaging? did the old compressor lock up trigger something else to shut down in the electrical system? fuses? relays?
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 26, 2016, 12:49 PM
Post #2 of 2
(1331 views)
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Re: 95 chevy pickup AC repair
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You're probably better off that it didn't.
You need to replace the condenser before you attempt to charge it again. These vehicles is a "bypass" type condenser that cannot be flushed, no matter how many times you do it. All the debris from the compressor would have landed in the condenser. Charging it in this condition will just lead to another compressor failure.
After doing that, check all your fuses with a test light. The old compressor likely popped a fuse when it locked up.
Once you get it charged, now you have to look for the reason for the original compressor failure. There is usually a cause that will continue to ruin compressors if not found. The most common cause is insufficient air flow from the cooling fan through the condenser.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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