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The A/C Compressor Clutch Does Not Disengage When The A/C Switch Is Off (Without Climate Control)
The A/C compressor clutch does not disengage when the A/C switch is off
The A/C compressor clutch does not disengage when the A/C switch is off
Probable cause: The A/C compressor clutch circuit is on (energized) continuously, shorted to ground, stuck A/C compressor clutch relay, or the A/C compressor clutch is mechanically jammed
Do the A/C compressor clutch circuit troubleshooting A/C Compressor Clutch Circuit Troubleshooting, and repair any circuit problems
If the A/C compressor clutch circuit is OK, then do the A/C compressor clutch check Testing and Inspection, and repair any problems with the A/C compressor clutch
Also check for
The A/C compressor relief valve. If it has vented refrigerant to the atmosphere, correct the problem with the A/C compressor clutch or the clutch circuit, then replace the relief valve Service and Repair