AC PRESSURES ARE LOW SIDE-25 HIGH SIDE125

  • Tiny
  • tom olds
  • 1993 Toyota 4Runner
  • 135,000 miles

1993 toyota 4runner 3.0l v-6. - With system charged and compressor running whats wrong with ac new compressor new dryer. Ac is charged to spec 1.98lbs and gauges read low side -25 high side 125. Frost on low side hose going to expansion valve and high side not hot. Expansion valve?

Thursday, April 19th, 2012 AT 11:02 PM

2 Answers

  • Tiny
  • fixitmr
  • Member

Toyotas are notorious for expansion valve failure/sticking.

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Thursday, April 19th, 2012 AT 11:18 PM
  • Tiny
  • djcl
  • Expert
  • 786 posts

I would make shore it is fully charged. Suck it out and see what you have. The readings you have are on the low side. Re charge just to make shore its fully charged.

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Thursday, April 19th, 2012 AT 11:32 PM

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