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 — What it means

Why is your Toyota AC light flashing? Here’s the scoop 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 … Read More

AC Compressor Repair — DIY compressor fixes

Learn how to perform your own AC Compressor Repair AC Compressor Repair isn’t rocket science. Most DIYers can handle replacing the clutch, clutch coil, pulley bearing, pulley, case seals, flow control valve, and even the front seal. You don’t have to evacuate the system to perform clutch or pulley bearing replacement. But you don’t have to evacuate the system if you want to replace the front seal, case seals, or the flow control valve. You’ll need a few tools • Clutch puller/installation tool • Clutch plate holder. Since you probably … Read More


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