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No pressure in the low side of the air conditioner

Tiny
COWBOYAL
  • MEMBER
  • 2008 BUICK LUCERNE
  • 3.8L
  • 100,000 MILES
No cold air from conditioner. When engine running and compressor clutch is turning I have no pressure in the low side of the system. When engine is stopped I then show normal pressure in the low side. What may be the reason for these pressures?
Wednesday, May 1st, 2019 AT 12:21 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

What are the high and low side pressure with the engine off?

When it is running, what is the high and low side pressure?

Are you sure the clutch is engaged?

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Roy
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Wednesday, May 1st, 2019 AT 2:15 PM

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