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2000 Toyota 4Runner freezing up

Tiny
RTAYLOR22
  • MEMBER
  • 2000 TOYOTA 4RUNNER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
The a/c freezes up when you run it on cold with the fan turned on low but when it is on high or one before high it will work fine I do know some about A/C I have checked freon pressure and was fine any help will be great
Sunday, June 28th, 2009 AT 3:26 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
This can be caused by air and moisture in the system that allows ice to form and block the orifice tube.

Evacuating the system with a vacuum pump will purge it of unwanted air and moisture. Evacuation should be done with a vacuum pump that is capable of achieving and holding a high vacuum (29 inches) for at least 30 to 45 minutes.
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Sunday, June 28th, 2009 AT 4:06 PM

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