1995 Chevy Silverado AC

Tiny
E1015824
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 119,000 MILES
My ac in my 1995 silverado truck is blowing hot air all the time.
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No
Tuesday, June 22nd, 2010 AT 12:34 PM

2 Replies

Tiny
MIGHTY_MAX
  • MEMBER
Get some guages and check the pressure in the system.

While AC is on, low side should be between 40 - 45 psi
High side will be between 200 - 250 psi.

If you just stick guages on w/ AC off, then pressure should be even between both sides.

Maybe 50 - 65 psi both High and low.
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Tuesday, June 22nd, 2010 AT 12:49 PM
Tiny
MIGHTY_MAX
  • MEMBER
Another quick way to tell is if you turn on the A/C and the clutch doesn't kick in.
Usually means no pressure. So an empty or low system.

On my 91 Chevy, it will cause the A/C display on my panel to blink.
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Tuesday, June 22nd, 2010 AT 12:55 PM

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