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  #1  
Old 06-06-2008, 05:34 AM
JWJ JWJ is offline
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Join Date: Sep 2005
Location: Raleigh, North Carolina
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A/C on '85 300TD

The A/C compressor on my '85 300TD is toast.

What years can I use a compressor from?

For example, the part # of a compressor from an '85 is different than from an '83.

Are these years interchangeable?

Thanks
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1983 MB 300D - > 430,000 miles - Deep Blue - Bilstein Comforts - 0-60 in 24 seconds - 27MPG
1985 MB 300TD (wagon) - > 275,000 miles - Manila Beige - Thule rack - 0-60 in 18 seconds - 22 - 25MPG
Biodiesel, Mobil Delvac 1, and Viton fuel lines!
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  #2  
Old 06-06-2008, 08:09 AM
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They are interchangeable from any 1980 & later MB that used that R4 Delco compressor.

There are also many remans out there for $125 & less.
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  #3  
Old 06-06-2008, 08:40 AM
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Check out this thread: http://www.autoacforum.com/messageview.cfm?catid=2&threadid=17484

When you get your compressor, you might want to check into the location of the oil passage. I have read that the part with the 'X' can just be unbolted and rotated to the correct orientation. Don't know how true that is though. Something to look into.

FWIW, I installed a reman compressor in the 'wrong' orientation a couple of years ago and haven't had any problems with it yet.
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  #4  
Old 06-06-2008, 09:35 AM
rrgrassi's Avatar
mmmmmm Diesel...
 
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The R-4 is a sumpless design. Clocking only affects the position of the electrical connection of the clutch coil.
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  #5  
Old 06-06-2008, 01:28 PM
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while you are looking, check the price for a compressor on an 86 chevy astro... should be the same unit.
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