Did my A/C Clutch just die on me?

Fountainhead · 10-14-2013, 09:34 PM

Hi Chops,
The AC Clutch is controlled by the two things, the presence of enough refrigerant to compress (no leak correct pressure) pressure sensor controls this and CAN be bad but usually not, and the A/C solenoid signal activated by A/C on switch in cabin, if there is enough A/C refrigerant to allow the clutch to activate then there is enough to cool but not ideally. However, you need to crank the car and turn on AC to a cold setting then watch the compressor and make sure it turns on and stays on for a while, if it cycles on and off rapidly every few seconds, then the refrig. is low, if it never comes on the refrig. is gone (leak). That's the case I 've seen in 95% of the failures. 1% have been bad clutch, a few of them have been frozen compressor (belt jumps off when A/C cuts on or engine dies).

That's about it.

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10-14-2013, 09:34 PM	#4 (permalink)
Fountainhead Track Member Join Date: Feb 2013 Location: FL Posts: 834 Drives: 2019 Civic Type R Rep Power: 16	Hi Chops, The AC Clutch is controlled by the two things, the presence of enough refrigerant to compress (no leak correct pressure) pressure sensor controls this and CAN be bad but usually not, and the A/C solenoid signal activated by A/C on switch in cabin, if there is enough A/C refrigerant to allow the clutch to activate then there is enough to cool but not ideally. However, you need to crank the car and turn on AC to a cold setting then watch the compressor and make sure it turns on and stays on for a while, if it cycles on and off rapidly every few seconds, then the refrig. is low, if it never comes on the refrig. is gone (leak). That's the case I 've seen in 95% of the failures. 1% have been bad clutch, a few of them have been frozen compressor (belt jumps off when A/C cuts on or engine dies). That's about it.