Thread: Is R134 conversion really a problem? 1986 190E 2.3
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Old 04-03-2006, 01:04 PM
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Mike Murrell Mike Murrell is offline
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I am not an A/C expert, but have read many posts here about the R12 vs. R134a in older MBs issue.

You'll find techs who say stick with R12 and you'll find techs who will tell you they've successfully converted many R12 cars.

I sometimes wonder if a lot of the R134a failures are the result of incomplete migration? Wrong oil used, system not flushed, receiver-dryer not changed out. The list goes on.

Is the clutch engaging the compressor? If so, what are your vent temps?
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Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
"Fräulein"
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