Question about 1992 Toyota Previa
The ac clutch is on for 2 sec and then off for maybe 20 sec.
With a gauge the low side drops from about 100 to 50 then turns off.
I tried to add freon and it only took a quarter of a can and did not change the problem.
On some ac systems there is a cut out switch if the refrigerant drops to low. Could this one have a faulty on? Could the expansion valve be blocked. Does it have a expansion. I bought a haynes previa repair manual but it says nothing about the ac.
I just bought the van with the problem.
I intend to repair it myself if I can. I have repaired the ac on other vehicles I've owned. If could get wireing diagram and location of parts.
If I have to I can take it to toyota just to diagnose it. Then replace the problem componets, flush the system, add oil and vacuum it.
Thanks in Advance
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Posted on Jan 02, 2017
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