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Started By
Message
Another A/C Thread: The clutch won't spin.
Posted on 5/30/18 at 8:10 am
Posted on 5/30/18 at 8:10 am
So, my A/C went on the fritz yesterday. Never blew cold once. I thought it was low on freon. Bought a can of A/C Pro with the hose gauge, and once I hooked it up, it was 100% full. So, I originally thought there is a blockage.
First thought was in the orifice tube. Replaced it since it was cheap, and no dice. Once I began to load it up with more freon, the gauge on the hose said it was full after about an 1/8th of a can, which can't be right at all. I noticed the click of the compressor kick on, but when I went to investigate, the clutch wasn't spinning.
I had a buddy helping me out, and he went into cab of the truck to flick the A/C button off and on. Each time, the compressor clicked and the clutch spun about a 1/4 turn before stopping.
I'm thinking it's the relay in the fuse box for the A/C compressor. The clutch isn't getting enough power to engage. I could be wrong. It could be a blockage. But I don't see how or where it could be.
What are the OT's thoughts?
If this thread get's moved to the Outdoor Board, what's the ODB's thoughts?
First thought was in the orifice tube. Replaced it since it was cheap, and no dice. Once I began to load it up with more freon, the gauge on the hose said it was full after about an 1/8th of a can, which can't be right at all. I noticed the click of the compressor kick on, but when I went to investigate, the clutch wasn't spinning.
I had a buddy helping me out, and he went into cab of the truck to flick the A/C button off and on. Each time, the compressor clicked and the clutch spun about a 1/4 turn before stopping.
I'm thinking it's the relay in the fuse box for the A/C compressor. The clutch isn't getting enough power to engage. I could be wrong. It could be a blockage. But I don't see how or where it could be.
What are the OT's thoughts?
If this thread get's moved to the Outdoor Board, what's the ODB's thoughts?
10
Posted on 5/30/18 at 8:11 am to finchmeister08
Did you check the manafold over the hydrocoil? If that burns out you have to shut her down.
Posted on 5/30/18 at 8:12 am to Breesus
quote:
Did you check the manafold over the hydrocoil? If that burns out you have to shut her down.
that what?
Posted on 5/30/18 at 8:13 am to finchmeister08
You may need a new compressor if the relay is good. 
If so, I’d get one off RockAuto.com.
If so, I’d get one off RockAuto.com.
This post was edited on 5/30/18 at 8:15 am
Posted on 5/30/18 at 8:13 am to finchmeister08
Start capacitor
ETA never mind, I thought this was your house. Sounds like the clutch is bad.
ETA never mind, I thought this was your house. Sounds like the clutch is bad.
This post was edited on 5/30/18 at 8:17 am
Posted on 5/30/18 at 8:16 am to eScott
While he didn’t specify home or car, I assumed vehicle.
Posted on 5/30/18 at 8:24 am to Bullfrog
He did say truck, I just over looked it.
Posted on 5/30/18 at 8:24 am to finchmeister08
You can check if there's 12V at the compressor when you switch it on. If there is, your clutch is bad and you need a new compressor.
Posted on 5/30/18 at 8:36 am to leftovergumbo
quote:
You can check if there's 12V at the compressor when you switch it on.
that's a good idea, i forgot about that.
quote:
If there is, your clutch is bad and you need a new compressor.
i'm praying to the good lord baby jesus it isn't that.
Posted on 5/30/18 at 8:54 am to finchmeister08
usually its the relay. You should have more things that use same type of relay, like your horn. swap them out to test.
Posted on 5/30/18 at 9:05 am to finchmeister08
Check to see if the cooling fan is coming on. If the fan doesn't come on the AC will not run. Check for a blown fuse.
Posted on 5/30/18 at 9:11 am to finchmeister08
quote:
cab of the truck
Need more info here. A/C systems very from manufacture. Some clutches will not engage once the system drops low on freon.
Year
make
Model
Posted on 5/30/18 at 9:12 am to finchmeister08
$350 Johnson Rod should take care of it. Bring it by the shop.
Posted on 5/30/18 at 9:18 am to 4WHLN
quote:
Need more info here. A/C systems very from manufacture. Some clutches will not engage once the system drops low on freon.
Year
make
Model
1999 GMC Sierra Z71
Like I said in the OP, the gauge read that the freon level was 100% full. I emptied it while putting in a new orifice tube, and went to refill it with freon. It would only let me put in an 1/8th of a can because the compressor wouldn't turn over. It would click, but not spin over.
Posted on 5/30/18 at 9:45 am to finchmeister08
Did you check the air filter fluid levels?
Posted on 5/30/18 at 10:19 am to deltaland
quote:
Did you check the air filter fluid levels?
is that next to the blinker fluid reservoir?
Posted on 5/30/18 at 10:38 am to finchmeister08
quote:
First thought was in the orifice tube. Replaced it since it was cheap, and no dice. Once I began to load it up with more freon, the gauge on the hose said it was full after about an 1/8th of a can, which can't be right at all
Seriously, there's no telling what damage you've do. Your supposed to pull a vacuum before adding refrigerant. How much oil was left in the system? You need to bring it to a reliable shop. Be prepared to spend big bucks.
Posted on 5/30/18 at 10:39 am to finchmeister08
quote:
I emptied it while putting in a new orifice tube, and went to refill it with freon. It would only let me put in an 1/8th of a can because the compressor wouldn't turn over.
After you opened the a/c system to replace the orifice tube did you use a vacuum pump on a/c system?
Posted on 5/30/18 at 11:06 am to weadjust
quote:
After you opened the a/c system to replace the orifice tube did you use a vacuum pump on a/c system?
we won't talk about that. i didn't get very after replacing the orifice tube. my plan was to take it to a shop during lunch today if the relay wasn't the issue.Posted on 5/30/18 at 11:14 am to finchmeister08
quote:
we won't talk about that. i didn't get very after replacing the orifice tube.
Did you get a shot of pressurized freon and oil to the face when you opened the system
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