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Trying to liocate low pressure AC valve found one near air filter and one in the center back of the egine

Tiny
UWMSCHOLAR05
  • MEMBER
  • 1998 OLDSMOBILE INTRIGUE
  • 111,000 MILES
I found 2 ac ports one in the back center of the engine and one under the the ac filter box none didnt have caps on them and I was wondering which one was the low pressure port so I can refill my refrigerant.I think its the port close to the air filter box but im not sure.
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Tuesday, May 29th, 2012 AT 1:33 AM

4 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
It's the 1 your hose fits onto. They are different so you cant mix them up.
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Tuesday, May 29th, 2012 AT 3:04 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Also it's the 1 on the LARGER line from compressor and it's supposed to have a blue cap.
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Tuesday, May 29th, 2012 AT 3:15 AM
Tiny
UWMSCHOLAR05
  • MEMBER
  • 2 POSTS
None of the lines have a cap on them you say they are different so when I go get the refrigerant and valve it should only fit on one of the 2 ac ports
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Tuesday, May 29th, 2012 AT 3:25 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Correct.
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Wednesday, May 30th, 2012 AT 6:35 PM

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