Rick's Free Auto Repair Advice

Posts Tagged: compressor clutch

Compressor clutch not engaging

Car air conditioner compressor clutch not engaging If you’re here, chances are you’ve tried to recharge your AC system and found a compressor clutch not engaging issue. If so, try the troubleshooting techniques described here. This is a full explanation of how the system works. After reading, go to this post to learn how to diagnose a compressor clutch problem. Before you start, know the difference between a clutch type AC compressor and a clutch-less compressor Late model vehicles use a clutch-less variable displacement AC compressor. These compressor don’t have … Read More

Toyota AC light flashing

Toyota AC light flashing If you have a Toyota AC light flashing condition, the problem may not be as bad as you think. Toyota AC compressor clutches use a lock sensor circuit to make sure the clutch is fully locked-up to the compressor when the AC is on. The lock sensor generates an AC voltage as the clutch turns and sends that signal to either an A/C amplifier or ECM (depending on the car model). The signal is compared to engine RPM and that’s how the system knows that the … Read More

AC Compressor Repair

How to deal with AC Compressor Repair AC Compressor Repair isn’t rocket science. Most DIYers can handle replacing the clutch, clutch coil, pulley bearing, pulley, and even the front seal. Except for the front seal, you don’t have to discharge the system to replace those parts. But you do need a clutch puller/installation tool and a clutch plate holder. Since you probably don’t know what size puller tool you need, you may be better off buying a complete kit for less than $50. How to replace an AC Compressor Clutch To … Read More


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