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08-08-2007, 10:33 AM
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#1 |
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Registered User
Join Date: Nov 2006
Location: Maple Grove, MN
Posts: 149
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High and low pressure a/c port locations
Can anyone tell me which is the high pressure and which is the low pressure a/c ports on our trucks? Mine is a 71' Cheyenne with stock a/c.
Ports on the POA valve and a/c muffler but I'm not sure which is which? Thanks in advance. |
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08-08-2007, 01:28 PM
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#2 |
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Led Sled! Discs R 4 ME!
 
Join Date: Jan 2001
Location: Toms River, NJ, USA (Transplanted Hoosier)
Posts: 7,327
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Re: High and low pressure a/c port locations
The port on the muffler over the compressor is the high side.
The port nearest the firewal on the POA is the low side. Last edited by DennyB; 08-08-2007 at 01:29 PM. |
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08-08-2007, 01:29 PM
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#3 |
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member #16
 
Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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Re: High and low pressure a/c port locations
I dont have a truck to look at right now, but the high side will go from the A/C comp to the drier and condenser. The low side is usually a larger hose and returns from the evaporater to the condenser.
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