How do you replace the clutch on an AC compressor?

How do you replace the clutch on an AC compressor?

A 1 1/8-inch, 1/2-in drive socket (red arrow) will fit over the center shaft and rests on the compressor nose cone. This is my leverage point. I taped a large washer (blue arrow) to the socket to provide a contact point for the puller. Attach puller jaws in the pulley groves and place the modified washer to rest against the nose cone.

What happens if you have a bad air conditioner clutch?

If the compressor clutch gets damaged, it will keep the air conditioning system permanently on or off. A faulty compressor clutch can be replaced but it is generally recommended to replace the whole compressor to save time and additional cost. How to Diagnose if the Car AC Compressor Has Failed?

How to replace an AC clutch cycling switch?

Step 2: Disconnect the negative battery cable. Disconnect the negative battery cable with a wrench or ratchet and set it aside. Warning: Be sure to put on protective glasses and gloves before working on your vehicle. Step 3: Remove the switch electrical connector. This is usually a tab that you can push in to remove easily.

Why does my AC compressor keep turning on?

The AC compressor continued to turn even after I pulled the 12-volt supply wire to the unit. It seemed possessed! The AC compressor exhibited no unusual symptoms that would explain the locked clutch, there was no bearing failure, no unusual noise, no smoke, no fire. On the contrary, the AC continued to work properly.

When to replace the a / C compressor clutch in a Chevy Tahoe?

It is designed to engage the A/C compressor shaft when it receives the proper amount of current from the powertrain control module. As it wears, it loses its ability to properly engage the A/C compressor unit without slipping. Replacement compressor clutches are available from auto parts stores and automotive dealers.

Why does my AC compressor clutch not engage?

Why AC clutch won’t engage If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. AC compressor clutches receive power in a number of ways.

How is the compressor clutch relay turned on and off?

In some vehicles the compressor clutch relay is turned on and off by the low pressure switch and the evaporator temperature sensor. In a computer controlled system, the compressor clutch relay is grounded by the computer. If the fuse is good, disconnect the electrical connector from the compressor clutch coil.

Why is the pulley on my AC compressor not working?

Check the front side of the clutch to examine its condition. Also, find out whether the clutch and the pulley are spinning. If only the pulley is rotating, the compressor clutch is having an issue, which could be stemming from several sources – a blown fuse, bad clutch oil, low-pressure lockout, or an open wire in the oil.