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2000 Chevy Cavalier Air conditioning

Tiny
REX COOK
  • MEMBER
  • 2000 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 150,000 MILES
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?
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Saturday, May 3rd, 2008 AT 12:50 PM

3 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Yes it should be evacuated, also a new orifice tube in the evap core.
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Saturday, May 3rd, 2008 AT 12:54 PM
Tiny
REX COOK
  • MEMBER
  • 2 POSTS
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?
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Saturday, May 3rd, 2008 AT 4:11 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Mosture, and or charge. Also could be water not draining from evap, any puddles under the car?
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Saturday, May 3rd, 2008 AT 10:53 PM

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