2000 Chevy Cavalier Air conditioning

2000 CHEVROLET CAVALIER
150,000 MILES • 4 CYL • FWD • AUTOMATIC
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REX COOK
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  • 2 POSTS
I replaced the air compressor with a rebuilt from an auto store. I replaced the drier and an in line filter when I charged to it runs good,but freezes the evaporator coil and the tubes going to it frost on them. I tried putting more 134 in did the same Less did the same. What causes it to freeze. Should have I vaccum pumped it?
May 3, 2008 at 12:50 PM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
Yes it should be evacuated, also a new orifice tube in the evap core...
May 3, 2008 at 12:54 PM
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REX COOK
  • MEMBER
  • 2 POSTS
[quote:62f20e3d36="merlin2021"]Yes it should be evacuated, also a new orifice tube in the evap core...[/quote:62f20e3d36]
I did replace the orifice tube in the tube coming from the Condenser coil located on the raditator. does it need to be vaccum pumped to get any moisture out of it. What causes it to freeze the line and evaporator coil ?
May 3, 2008 at 4:11 PM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
Mosture, and or charge...also could be water not draining from evap, any puddles under the car?
May 3, 2008 at 10:53 PM
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