What is the total cost to upgrade the airconditioner in a 1991 Toyota Corolla Dx Base wagon??
You can put R134A into your system, The problem is when you do the seals will swell and you will get a leak. You can replace the O- Rings in the system and then fill the system up with R134A and you will be good to go. Don't want to do that then try this stuff, some times it will seals the leaks and lube the O-Rings..
Wrong guy 61...
COMETGUY61 - I spoke of an UPGRADE, top notch and durable, and not a quick fix that will degrade the system. Yes I have read about 1000 net pages about the pros and cons plus the EPA documents. Now I ask about the cost of a total upgrade including the R12 recovery, proper flushing, several parts, switches, maybe a new compressor and the labor. Thanks Rowefast.
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