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08-08-2009, 04:36 AM
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#1 |
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Registered User
Join Date: Jan 2009
Location: phoenix,AZ
Posts: 451
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ac
ive got an ac compressor for my truck without a clutch, after i repalce the clutch, how do i draw a vaccuum to recahrge the system?
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08-08-2009, 05:56 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: ac
you need A/C tools for this.
I'll move this so someone will see it. It was posted on the electrical board. |
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08-08-2009, 05:59 PM
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#3 |
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Registered User
Join Date: Jul 2008
Location: Vancouver
Posts: 147
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Re: ac
you need a vac pump that can draw the system down to 29 inches to remove all traces of moisture.
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08-08-2009, 06:03 PM
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#4 |
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Registered User
Join Date: Jan 2009
Location: phoenix,AZ
Posts: 451
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Re: ac
Where do ii fet one if those
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08-08-2009, 06:15 PM
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#5 |
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Registered User
Join Date: Jul 2008
Location: Vancouver
Posts: 147
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Re: ac
a automotive repair shop, its a pricey elec vac pump, our a/c machine at the dealer was 10k....but it also recovers the system and recharges it. its not one of those tools a most guys have at there house it would seem...??...
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08-09-2009, 03:01 AM
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#6 |
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Moderator
 
Join Date: May 2007
Location: Southern Cal
Posts: 19,996
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Re: ac
You can buy a 2-stage R-12 and R-134 vacuum pump from Harbor Freight for $150.
__________________
1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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08-09-2009, 04:04 AM
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#7 |
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Registered User
Join Date: Jan 2009
Location: phoenix,AZ
Posts: 451
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Re: ac
as far as i know this has no oil in it, will the oil type matter what referigrant i use?
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08-09-2009, 12:56 PM
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#8 |
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Moderator
Join Date: May 2007
Location: Southern Cal
Posts: 19,996
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Re: ac
Yes, R-134 and R-12 use different types of oil. If you have never done this before, I would recommend you go to an A/C shop or do more research before you attempt to do this. I am guessing that you will be using R-134 since you can no longer buy R-12.
__________________
1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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08-09-2009, 08:23 PM
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#9 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: ac
I dont know about california but in texas you can buy R12 with a refrigerant handling license (a multible choice test) R12 is a superior refrigerant. nothing works like it in a R12 system. You will need a/c gauges a vacuum pump. mineral oil for R12 synthetic pag oil for 134A. if using 134A in a r12 system put 10% less refrigerant.
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08-09-2009, 10:01 PM
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#10 |
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Registered User
Join Date: Jun 2008
Location: Moss Point,Ms.
Posts: 1,439
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Re: ac
Before you put that new pump on,you should flush the system to remove any debris and old dirty oil.
Could save you some money! I can still buy R-12 here.I'm certified also. Mike. Last edited by 100%Chevy; 08-09-2009 at 10:03 PM. |
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