How do you test a magnetic coil on a compressor?
Resistance Test: Perform an A/C clutch coil resistance test with an Ohmmeter. Typically a clutch coil should be between the range of 2 to 5 Ohms, and any reading below 2 Ohms or over 5 Ohms indicates a bad coil. A reading of 0.00 indicates that there’s a short in the windings.
Is the GMC Sierra a / C compressor clutch not engaging?
I have an 01 gmc… I have an 01 gmc sierra with 5.3. The A/C compressor clutch is not engaging. I have checked all the fuses the light on the button comes on but it does not even try to start. What direction do I go first?
Where is the a / C relay on a GMC Sierra?
Can you see if you have voltage to two pins for the a/c relay, it is in the fuse box you just checked the fuses in. Make sure the engine is running and the a/c is on, on the control deck. I have power at two of the four pins in the relay, the fuse that does not have power is chmsl right under frt HVAC.
How does an A / C compressor clutch coil work?
An A/C compressor clutch coil is a simple device made of fine windings of wire wrapped into a coil. When current is passed through the coil, it creates a strong magnetic field that pulls a splined hub into contact with the spinning pulley. This action engages the compressor.
Can you replace the clutch shoe on a GMC Sierra?
The clutch assembly is much cheaper then replacing the comp and is not hard to do. You will need a comp clutch tool to remove the clutch shoe, but you can rent one from auto zone or advance auto parts and when you return it they will give you all your money back.
How do you remove clutch from GM A / C compressor?
Remove the serpentine belt and unbolt the compressor from it’s mounts and tilt it up so you can get to the front easier. Use the clutch removal tool to pull off the clutch. Remove the large snap ring in front of the pulley. Spray some WD40 in the hub area and remove the pulley from the compressor. It’s best to use the universal puller.
How do you remove a coil from a GM A / C compressor?
There is a special puller/ installer tool for removing the coil. If you don’t have the puller try the following but you are on your own as far as damaging the compressor or seals. The coil can be removed by working a couple of screw drivers behind the coil against the compressor frame. Be very careful and don’t try and force it.
When to replace clutch and pulley on compressor?
First, they know that in most cases if the bearing and clutch are worn the rest of the compressor is probably near the end of it’s life. If they replace the clutch and bearing and the rest of the system fails shortly thereafter no matter what they say they will have an angry customer.