I suspect my "new" (remanned) AC compressor is leaking oil. I had the system converted and a rebuilt compressor put in. I found a little bit of oil (yellow-lime) underneath of the compressor and on the wheel well wall (next to the new receiver-dryer). everything works fine. what gives??

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1985 190D 2.2l Sold-to Brother-in-law
1996 Mustang 3.8l -"thinks it's a sports car"
1988 Grand Wagoneer - Sold (good home)
1995 Grand Cherokee Ltd -"What was I thinking??!!"

It sounds like they put in UV Dye when they charged the system and it is showing a leak. Get the leak fixed and system recharged as soon as possible.

Good luck,

just like Larry said. However, I think R134 has a "built-in" dye. Am I wrong?

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J.H.
'86 300E

No built in dye. There may be products that do that. The Ester oil that BG produces for retrofits has the dye in it.

The dye is part of the oil so one must be installing oil in order to introduce dye into a system. They used to make small cans that contained oil and refrigerant to install oil. The same could be done with the dye. But cans of R12 or R134a are required to be of a certain purity and that doesn't include dye or oil.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician

That is what I meant, Steve.
The oil, not the r134. I stand corrected. Thanks!

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J.H.
'86 300E