What should I do if my Trailblazer AC clutch is not working?
What should I do if my Trailblazer AC clutch is not working?
But mostly on R-12 systems. With R-134A and PAG, better off to remove everything, drain and flush the compressor with PAG, drain that out, flush out the entire rest of the system, replace the dryer, draw a deep vacuum, and then inject the PAG, but only from a tin can.
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 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.
What should the clutch clearance be on an AC compressor?
Note that the forces all act on the compressor shaft, not against it. Hold the center bolt while incrementally tightening the nut down. You are looking to establish a clutch to pulley clearance of .010 to .015. If you inadvertently create too close a gap, put the clutch puller back on and pull the clutch out accordingly.
Why is my AC clutch not engaging in my Trailblazer?
However, now that the weather is warm, I have found out that the AC clutch is not engaging most of the time. Sometimes it will after the truck has set for at least several hours or overnight, but most of the time, it will 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.
When to know if your AC clutch switch is failing?
Lack of cooling If you begin to notice that the AC system is not blowing as cold as it used to, then that may be a sign that the switch has failed, or is beginning to fail. If the switch is not operating correctly, the AC system will not be pressurized correctly and will not work as efficiently in cooling the air.
What to do when Clutch won’t engage?
So you need to use a paper clip to bypass the relay switch and force the clutch to engage. You can then recharge the freon and re install the relay switch and it will sense more pressure and the clutch will engage by itself. Loading…
Where are the fuses on my Chevy Trailblazer?
Plus fuses under the passenger seat on the driver’s side. The computer that controls the servos is near the fuse box. My heating and cooling servo ticks, and is stuck, and the servo for the roof doesn’t move at all.
What to do if your Trailblazer gauge is not working?
Use a fuse puller tool to remove the fuse from the fuse block. Install a new 10A fuse into the TrailBlazer’s fuse block. Reattach the fuse block’s cover and close the hood. If the gauges are still malfunctioning, the issue may be the wiring.
Where is the air conditioning controller on a trailblazer?
The rear controller has two servos, one that selects either heating or air, and one that controls whether the side or top vents are selected. The servos are located with a blower motor behind the passenger rear tire. The controller is under the 2nd row passenger seat along with the fuses. Hope this helps.
Why is the AC not working on my 2006 Trailblazer?
My 2006 trailblazer has not had functioning heat since I bought it last summer. So far I have verified it has pressure in the system (tried to add an autozone bottle but saw the system was already full). Found a cut wire at the low pressure switch, installed a new pigtail with no change.
Where is the fuse block on a Chevy Trailblazer?
Chevrolet Trailbrazer (2003 – 2004) – fuse box diagram Year of production: 2003,2004 Engine Compartment Fuse Block The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle.
Why is the clutch not kicking on on my Chevy Trailblazer?
Bypassed the low pressure switch with no change. With AC turned on, the clutch on the compressor does not kick on. The fuses all looked good for everything ac related. What should be my next diagnostic steps, jump relay, check power at the compressor plug?
