1990 Subaru Legacy Freon to R134a

Tiny
THEKINGOFSKA
  • MEMBER
  • 1990 SUBARU LEGACY
  • 4 CYL
  • 2WD
  • MANUAL
  • 133,900 MILES
I've got a 19-year-old car with a 19-year-old A/C system, which means it was made for freon and not R134a. I want to make my A/C work for next summer, but it's too expensive (and probably illegal) to recharge with freon, so I want to know what I need to do to make the change. The compressor (and the clutch on the compressor) is just fine, the entire system has been purged and is completely leak-free.
Thursday, October 30th, 2008 AT 5:02 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there.

You will need to change the oil in the compressor to a compatible type r134a oil, you will need to replace the receiver dryer and fit the new charge point valves, these just screw over the old ones.

Mark (mhpautos)
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Thursday, October 30th, 2008 AT 5:18 PM

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