Why is the clutch on my GMC Sierra not working?

You are good. The thing is you have voltage every where you are suppose to and you have a ground. The only thing left is a bad field coil behind the a/c pulley. You can replace just the clutch set and not have to replace the compressor, but the clutch assembly will have to be changed to get the air to work again.

What does it mean when your a / C clutch does not engage?

If the Compressor doesnt engage with direct power from the battery then the Compressor is shot. Sorry also jump the high pressure switch.. IF the still doesnt engage it then you need to run power directly to the AC compressor and see if the compressor engages then.

How to manually engage AC compressor clutch, the easiest?

There is no need to switch on the air conditioning system for this method to work. Tips – You should route the jumper wire to avoid it getting tangled or interfering with other moving components. It is an ominous sign when the clutch engages but the compressor does not spin. Changing the compressor clutch could be the only solution in this case.

Why is the clutch not working on my Honda Accord?

In a few cases, the clutch does not engage due to a clogged refrigerant circuit. Set all air conditioning controls to the MAX before kicking off the engine. Check the front side of the clutch to examine its condition. Also, find out whether the clutch and the pulley are spinning.

Is it good idea to replace the a / C CLUTCH set?

The only thing left is a bad field coil behind the a/c pulley. You can replace just the clutch set and not have to replace the compressor, but the clutch assembly will have to be changed to get the air to work again. Is it a good idea to replace the whole compressor or is it cheap enough just to do the coil?

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.

Why is my 1999 GMC Suburban AC clutch not engaging?

1999 GMC AC Clutch Will Not Engage. Customer Question My 1999 GMC Suburban’s AC… My 1999 GMC Suburban’s AC clutch is not engaging. I bypassed all pressure switches. The relay will not engage. The jump relay and AC works. Submitted:10 years ago.

Why does my GMC Sierra a / C compressor not work?

Add some freon to it “just one can for now” and see if the compressor will kick in. If it does add freon to it slowly till the high side goes to around 200 and the low side does not fall under 30. If it does not kick in let me know and we can go over he power and grounds and get the a/c to work again.

Why is my a / C compressor clutch not engaging?

Click to expand… Use an ohm meter on the low pressure switch and make sure the resistance is very low (ie not open). If the switch is working, then when plugged in it should connect the circuit and allow the compressor to kick in. If not, it needs to be replaced (and of course the system needs to be recharged again).