Is the clutch on my AC compressor working?
Is the clutch on my AC compressor working?
There is some oil residue on the pulley face, but the surfaces appear to be OK. The clutch release springs (blue arrows) also appear to be in working order. Testing the resistance of the coil assemblies indicate that they are within specs.
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.
How do you replace the AC clutch on a car?
The objective is to replace the AC clutch on the car. Remove the AC compressor’s front and rear bolts only. Lift the front of the compressor up to clear the top radiator support. Maintain the compressor in that position by placing a block of wood between the front of the compressor and the top of the engine.
When to move on to the clutch relay?
Move on to the clutch relay if the fuse turns out fine. In a few car models, the power of the air conditioning system flows from the AC switch to the fuse before being transmitted to the clutch oil through the low-pressure evaporator temperature. You have to make sure that the compressor has enough oil to function properly.
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 clutch away from the AC pulley?
When not in operation, the clutch plate rests a specified distance away from the AC pulley to prevent compressor operation. The distance is determined by the carmaker and relates to the strength of the strength of the AC clutch coil. Since the clutch plate and pulley face are bare metal, they can corrode when not used.
Why is a compressor clutch called a magnetic clutch?
Compressor clutches are sometimes referred to as a magnetic clutch because they operate like an electro-magnet. The clutch has three components. • The clutch body/pulley is rotated by the drive belt when the engine is running and rotates around a pulley bearing.
Where can I buy a replacement AC clutch?
BuyAutoParts has a quality replacement AC compressor and clutch assembly for nearly every vehicle on the road. We frequently get questions asking about ordering just the compressor or A/C clutch on their own, because only one of them was diagnosed as needing replacement.
Is it better to replace the clutch and drier at the same time?
Replacing your A/C compressor, clutch and drier all at once ensures better reliability, protects your warranty and means lower long-term repair costs. If you’re still not sure what exactly your vehicle needs, contact BuyAutoParts for help in getting the correct replacement compressor, drier or full A/C repair kit for your vehicle.
Why do I need to replace my AC clutch pulley?
The primary reason to replace an entire A/C compressor and clutch assembly is for better long-term reliability. The AC clutch pulley might be what needs replacement, but it’s likely to have done some damage to the compressor on its way out.
When to replace the AC clutch cycling switch?
If your AC is not blowing air as cool as usual or is not working at all, you may need to replace your AC clutch cycling switch. The AC clutch cycling switch is a very important component to a modern vehicle’s AC system.
Replacing your A/C compressor, clutch and drier all at once ensures better reliability, protects your warranty and means lower long-term repair costs. If you’re still not sure what exactly your vehicle needs, contact BuyAutoParts for help in getting the correct replacement compressor, drier or full A/C repair kit for your vehicle.
BuyAutoParts has a quality replacement AC compressor and clutch assembly for nearly every vehicle on the road. We frequently get questions asking about ordering just the compressor or A/C clutch on their own, because only one of them was diagnosed as needing replacement.
When to replace clutch pulley and compressor assembly?
The second reason to replace an entire compressor assembly instead of just the clutch pulley is ease of service. This keeps mechanic labor expenses down and makes work easier for DIYers. On some applications, the entire assembly needs to come out to access the bolts that attach the pulley.
