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.
What to do if your GMC clutch won’t work?
Connect a Volt meter between cavity 25 (Dark green wire with a white stripe) of VCM clear connector and ground. Turn the Ignition Switch to the Run position. Rotate the Front Blower Switch to any of the speed positions. Push in the A/C Button.
Why is there no activation of a / C CLUTCH?
There was no activation of a/c clutch. Chevy Mechanic: Dan, ASE Certified Technician replied 10 years ago Remove the relay for the AC. There should be two power terminals, and one terminal going to the compressor and the other one going to pin 1 of that clear connector on that circuit.
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.
What happens when the AC clutch does not work?
An automobile can have numerous serious problems and a dysfunctional AC compressor clutch is one of them. When this component does not work properly, the engine does not get the cold air flow – leading to some major complications. Knowing how to manually engage AC compressor clutch will help you skip a visit to the mechanic.
Connect a Volt meter between cavity 25 (Dark green wire with a white stripe) of VCM clear connector and ground. Turn the Ignition Switch to the Run position. Rotate the Front Blower Switch to any of the speed positions. Push in the A/C Button.
Why is the clutch not engaged on my gas compressor?
But if the system is low on refrigerant, the clutch will never engage. Some DIYers then hotwire the low pressure switch to force the compressor clutch to engage while they recharge. BAD MOVE. At that point you’re running the compressor with little to no oil.
Why does my 4 wheel drive not engage?
The transfer case could pose another reason why your 4 wheel drive fails to engage. This could be due to the vehicle not coming to a complete stop to allow it to engage. This is because the splined pin and gears of the actuator need to align 100% with the gears inside the transfer case.
Is the 4 wheel drive switch a failure?
The 4 wheel drive switch is an extremely high failure part. i would replace it and you should be ok! hope this info helps! Testimonial: “thanks for the info. “
Why does my Chevy Silverado not go into 4WD?
Wire brushed it down and nothing changed. My 4wd would blink but not engage. It would engage into lower gear in 4lo but wouldn’t actually go into 4wd. Taking a closer look at the wires, I noticed that there is a small ground wire that was hidden in the tube that got unconnected. Simply put a new connector on it and works like a charm now!
Why does the servce 4WD light not come on?
The 4Hi and 4Lo lights just flash but 4WD does not engage. Also the ‘SERVCE 4WD’ light does NOT come on ruling out transfer cases problems. Get under the front of the truck and check the actuator. It is a silver cylinder on top of the axle as I said before.
Can a 4WD Chevy Silverado be serviced on YouTube?
*EASY FIX!* SERVICE 4WD Chevy Silverado/GMC Sierra – YouTube *EASY FIX!* SERVICE 4WD Chevy Silverado/GMC Sierra If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.
The transfer case could pose another reason why your 4 wheel drive fails to engage. This could be due to the vehicle not coming to a complete stop to allow it to engage. This is because the splined pin and gears of the actuator need to align 100% with the gears inside the transfer case.