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  #1  
Old 06-07-2005, 06:56 PM
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Join Date: Oct 2004
Location: Williamsburg, VA
Posts: 108
Intermittent A/C compressor

Just picked up my '85 California-spec 300TD from having the A/C system serviced (purge, charge, leak test).

One small leak noted on an A/C hose, but not a major one (barely noticeable according to the tech).

Bigger issue was that they could not seem to keep the A/C compressor running. While attempting to charge the system, they could only get about 1.5 lbs into the system, then the compressor would disengage.

They could get it to come on, but not remain on. If running, once cycled off it would not restart.

They are recommending replacement of the compressor, at a cost of $1.6K

I'd like to know what might be causing the compressor to freeze up (no pun intended), and possible troubleshooting help.

Thanks all as always

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  #2  
Old 06-07-2005, 07:01 PM
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Join Date: May 2005
Location: san francisco
Posts: 27
faulty a/c clutch?

That was the problem with my '87 300e...cruising along with nice, cold air, then all of sudden...back to warm for no apparent reason - the system had refrigerant, no electrical gremlins found-although I did replaced the whole HVAC switch panel - perhaps this was a mistake... MB of SF id'd the problem and the clutch was replaced - I've had no problems since.

best of luck...
Steve
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  #3  
Old 06-07-2005, 09:13 PM
LarryBible
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$ONE THOUSAND SIX HUNDRED DOLLAR$ TO REPLACE THE COMPRESSOR/!?!?!?!?!

I would RUN away from that shop. I'll tell you what, I will do the job for only $1550.

It could be as simple as the air gap in the clutch not right or it could be the climate control unit. Since these people have not considered such possibilities and instead want to start throwing parts at the problem at a minimum of twice the going rate, you need to find another shop.

ALWAYS be leary of a shop that wants to troubleshoot by just replacing parts.

My $0.02,

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