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A/C works but max (recirculate) comes on and then will go off after a few seconds.

Tiny
INSPECT
  • MEMBER
  • 1995 CHEVROLET TRUCK
  • 130,000 MILES
I have checked freon and it's OK. Blows cold air but not as cold as max.
Sunday, June 10th, 2012 AT 8:52 PM

7 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Recirculation on will always be colder because it doesnt let any warmer air from outside to be cooled. So is the ac compressor cycling?
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Sunday, June 10th, 2012 AT 9:09 PM
Tiny
INSPECT
  • MEMBER
  • 4 POSTS
Yes, compressor cycling
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Sunday, June 10th, 2012 AT 10:36 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So did you add any R134?How do you know if it has the correct charge amount.
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Monday, June 11th, 2012 AT 12:33 AM
Tiny
INSPECT
  • MEMBER
  • 4 POSTS
According to guages 134 ok.
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Monday, June 11th, 2012 AT 1:09 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Using the gauges to figure out out much charge in the system is called guessing. The only way you can tell for sure how much is in the system for sure is by weight. You use a ac machine to recover the charge and weigh how much comes out. Otherwise no telling how much is actually in there. Just because the low side gaug/charge hose you got at the auto parts store says its in the blue doesnt mean it has the correct charge amount.I wish it was that easy.
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Monday, June 11th, 2012 AT 2:09 AM
Tiny
INSPECT
  • MEMBER
  • 4 POSTS
OK, thanks. I will get a specialist to check it.
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Monday, June 11th, 2012 AT 3:12 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Your welcome please give us a update of what they find.
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Monday, June 11th, 2012 AT 6:32 AM

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