My W126 AC compressor clutch froze and snapped the belt that I just replaced 2 months ago. The pump will not turn by hand, so I am assuming the bearing is shot.I ordered a rebuilt compressor w/clutch and am going to keep it R12 (since I read that its best to keep the '86 560SEL that way) and was wondering do I need to flush the system?? I am replacing receiver/drier , expansion valve, temp sensor and pressure sensors. I understand I need to put mineral oil back in and am going to get some from www.ackits since I live here in Phoenix . Do I need to put mineral oil anywhere else? Thanks in advance for any help.

Rob

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R@Z()R

1986 560 SEL