2000 Buick Lesabre Testing AC

2000 BUICK LESABRE
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JPARKER1972
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  • 1 POST
Air Conditioning problem
2000 Buick Lesabre 250000 miles
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What should the PSI (high and low) be on this car? I'm pretty sure something's not right since the low pressure pegged as far as it could go. The high side registered about 200 PSI. Any ideas what's going on with it? The AC is working fine, but there's a squeal that seems to be coming from the pump.
Jul 19, 2008 at 10:35 PM
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DENNYP
  • ✓ASE Certified Mechanic
  • 1,824 POSTS
  • ASE Certified Mechanic
What are the high and low side pressures with the engine running? You could have a bad belt or compressor.
Jul 23, 2008 at 10:58 PM
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