Mechanics

3.0L V-6. AC PRESSURES ARE LOW SIDE-25 HIGH SIDE 125 WITH SYSTEM CHARGED AND COMPRESSOR RUNNING

1993 Toyota 4Runner • 135,000 miles

Whats wrong with ac 1993 4runner 3.0l v-6 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?
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Tom olds
April 19, 2012.



Toyotas are notorious for expansion valve failure/sticking.

Tiny
Fixitmr
Apr 19, 2012.
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.

Djcl
Apr 19, 2012.