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New AC compressor clutch out

Tiny
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The high-pressure switch is located on the compressor.

Roy
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Monday, September 9th, 2019 AT 4:22 PM
Tiny
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Well there's 2 options on Advance's website, both are identical except in color, and the option is high pressure or low pressure and they go in the same spot.
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Monday, September 9th, 2019 AT 4:28 PM
Tiny
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The low-pressure switch is on the refrigerant line.

The color has to match yours. That tells you the pressure that the switch opens to protest the compressor.

Roy
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Monday, September 9th, 2019 AT 4:34 PM
Tiny
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Well the option they have is white and in the description it says (red, blue, or white) and the picture is white.
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Monday, September 9th, 2019 AT 4:35 PM
Tiny
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What color is yours?

Roy
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Monday, September 9th, 2019 AT 4:53 PM
Tiny
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Looks orange to me. Maybe they call that red.
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Monday, September 9th, 2019 AT 4:53 PM
Tiny
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Okay, I attached a diagram form rock auto.

They or four seasons lists one sensor for all the colors including yours.

Roy
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Monday, September 9th, 2019 AT 4:59 PM
Tiny
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Yeah, so that is the same picture on Advance's website, they sell it as Factory Air. So the white one will work?
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Monday, September 9th, 2019 AT 5:01 PM
Tiny
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Yes, it will. As you can see, it covers all the colors.

Roy
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Monday, September 9th, 2019 AT 5:04 PM
Tiny
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Well, I replaced that switch and the connector to it, I still have to run a hot wire to terminal B on the now new connector for the clutch do engage.
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Tuesday, September 10th, 2019 AT 6:00 PM
Tiny
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Nevermind. I got the A/C to work.

This is the third compressor on this truck. This one is an AC Delco one, but at 2000 rpm the clutch wants to scratch and skip. What the heck?
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Wednesday, September 11th, 2019 AT 6:20 PM
Tiny
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What Is the high and low pressure?

Roy
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Thursday, September 12th, 2019 AT 3:42 AM
Tiny
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Low is about 35 and high pressure close to 250.
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Thursday, September 12th, 2019 AT 3:43 AM
Tiny
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Okay is the belt and tensioner okay? Check and make sure the belt is not slipping.

Roy
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Thursday, September 12th, 2019 AT 3:51 AM
Tiny
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Belt is brand new, 2 days old. But the tensioner I wanted to replace but they gave me a bad one and I put the old one back on, although it wasn't necessarily "bad." If I rev the truck up the clutch on the compressor scratches and I let off from revving it, it will scratch all the way down to 1,000 rpm's.
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Thursday, September 12th, 2019 AT 4:02 AM
Tiny
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Okay,

1. How much oil did you put in the compressor before installing?

2. Check the air gap for the clutch to plate. It should be.017.

Roy
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Thursday, September 12th, 2019 AT 4:04 AM
Tiny
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The compressor came filled with 3 oz. And using the info you gave me, I filled it up to 8 oz. I have no way to check the air gap.
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Thursday, September 12th, 2019 AT 4:06 AM
Tiny
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You would need a set of feeler gauges for this. You can get them at any parts store for under $10.00.

Roy
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Thursday, September 12th, 2019 AT 4:09 AM
Tiny
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Okay, but how do you adjust the gap for this compressor? There's a center nut for the hub.
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Thursday, September 12th, 2019 AT 4:10 AM
Tiny
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Correct. The center nut has to be removed and there are shims behind it for the adjustment.

Roy
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Thursday, September 12th, 2019 AT 4:14 AM

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