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Replacing A/C clutch cycle pressure switch

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Old Nov 7, 2016 | 03:01 PM
  #1  
motleykent's Avatar
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From: Saskatchewan, Canada
Car: 1987 Chevrolet Camaro Iroc-Z
Engine: 305
Transmission: B&M 700R4
Replacing A/C clutch cycle pressure switch

Hello,


I had my 1987 Camaro into the shop this summer as the A/C had stopped blowing cold air. The refrigerant had leaked out as there was a bad O-ring. The shop refilled the A/C and the technician also noted that the low pressure switch wasn't working. After some searching I was able to get a new switch but wanted to check with you guys to see if I need to take my car back to the shop to have the new switch installed or can I do this myself? This might be the least intelligent question I have ever asked on here, but I am not sure if the A/C system needs to be evacuated for this particular switch or not.


Thanks.
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Old Nov 7, 2016 | 03:10 PM
  #2  
Bob88GTA's Avatar
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From: Huntsville AL
Car: 88GTA
Engine: 5.7TPI
Transmission: Auto
Axle/Gears: 3.27
Re: Replacing A/C clutch cycle pressure switch

Unscrew it, put new one in. There's a schrader valve on the port to prevent refrigerant from escaping.
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Old Nov 7, 2016 | 03:12 PM
  #3  
motleykent's Avatar
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Joined: Sep 2009
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From: Saskatchewan, Canada
Car: 1987 Chevrolet Camaro Iroc-Z
Engine: 305
Transmission: B&M 700R4
Re: Replacing A/C clutch cycle pressure switch

Awesome, thanks. That is exactly what I was hoping for.
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Old Apr 4, 2017 | 12:12 AM
  #4  
stahrman0612's Avatar
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From: NW Ohio
Car: 1986 Trans-Am
Engine: 305 4 bbl
Transmission: 700R4 auto
Axle/Gears: posi
Re: Replacing A/C clutch cycle pressure switch

Originally Posted by motleykent
Hello,


I had my 1987 Camaro into the shop this summer as the A/C had stopped blowing cold air. The refrigerant had leaked out as there was a bad O-ring. The shop refilled the A/C and the technician also noted that the low pressure switch wasn't working. After some searching I was able to get a new switch but wanted to check with you guys to see if I need to take my car back to the shop to have the new switch installed or can I do this myself? This might be the least intelligent question I have ever asked on here, but I am not sure if the A/C system needs to be evacuated for this particular switch or not.


Thanks.
You don't happen to have that part# for that low pressure switch do you??
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Old Apr 13, 2017 | 10:55 AM
  #5  
motleykent's Avatar
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Joined: Sep 2009
Posts: 28
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From: Saskatchewan, Canada
Car: 1987 Chevrolet Camaro Iroc-Z
Engine: 305
Transmission: B&M 700R4
Re: Replacing A/C clutch cycle pressure switch

I went with the Four Seasons AC Clutch Switch, part number 36674
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Old Apr 13, 2017 | 12:22 PM
  #6  
stahrman0612's Avatar
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Joined: Nov 2006
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From: NW Ohio
Car: 1986 Trans-Am
Engine: 305 4 bbl
Transmission: 700R4 auto
Axle/Gears: posi
Re: Replacing A/C clutch cycle pressure switch

Thanks!!
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