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A/C clutch issue?
 Moderated by: MaDMaXX, Mike69, NoPower
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 Posted: Sat Sep 22nd, 2018 03:06 am
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Undrstm8ed
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Recently, last couple days what seems to be the A/C clutch seems to kick on more and more and makes a rattling noise. I have not popped the hood as of yet to identify the exact noise but just wanted to pitch the thought and see what may be involved. Can the A/C clutch be replaced without having to depressurize the system on the Factory 93-97 compressor?



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 Posted: Sun Sep 23rd, 2018 02:01 am
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Bird76Mojo
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You may have a refrigerant leak if the A/C clutch is cycling more. If the clutch is badly worn then I suppose it is possible that it might unlock frequently and you're hearing it locking up again, but my money would be on a refrigerant leak or a partially clogged orifice tube/filter. If the orifice tube is clogging it can cause one "side" of the A/C system to be at higher pressures than normal, which can case cycling issues. AND, if that orifice tube is clogging up, then your compressor is eating itself up internally. (the internal compressor seals)

Your best bet would be to have a shop diagnose it for you. Hopefully you know of a good honest shop, because at many shops, working on the A/C system can run in to spending some serious money.

In the meantime, you might remove the power connection from the compressor and check the metal contacts inside of it. They get rusty quite easily and lose connection intermittently. Cleaning them with micro files or small picks might help and use some good electrical contact grease inside the connector.



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 Posted: Sun Sep 23rd, 2018 04:32 am
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Undrstm8ed
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Aware of the orifice tube thoughts.. All of that is new, or within a yr or two. The compressor however is near 25 years old. Its the only thing I didnt replace. A/C has been great for the last 2 years or so I've had it. And i'm far from the rust belt , not that its impossible but I keep the underhood and the truck itself pretty immaculate from rust concerns.



____________________
"Be never first, never last and never noticed." - Unknown

"The slave is held most securely when he is held by the chains of his own will and of his own fears, and when he is locked down by his own slavish desires for a comfortable life." - Michael Bunker

"Mundus vult decipi, ergo decipiatur. Mundus vult decipi, ergo decipiatur" - ~ attributed to Petronius (Gaius Petronius Arbiter (ca. 27–66 AD))
Roman courtier during the reign of Nero.

"Those who expect to reap the blessings of freedom, must, like men, undergo the fatigue of supporting it." - Thomas Paine


~ Undrstm8ed Truckumentry Write Up Pg.

~ Undrstm8ed Trailermentry Write Up Pg.
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