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#1
05-06-2008, 10:46 PM
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AC compressor knocking
My compressor has made a knocking noise for as long as I can remember but it is now alittle worse. About a month ago I topped it off with a can of R134a and now the air is alot cooler. Ever since the knocking has been alittle louder, and the air is still very cold. Does it need some oil or something? Thanks
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1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg 
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#2
05-07-2008, 08:37 PM
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sounds like your compressor may be going. Add one of those oil charge cans for r134 they sell at the parts store see if it helps. what type of compressor do you have york or R4? cubelike or round?
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#3
05-07-2008, 10:57 PM
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I have the york compressor, what makes the knocking sound?
__________________
1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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#4
05-08-2008, 09:36 AM
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Quote:
When refrigerant leaks the oil leaks out with it. Someone already suggested adding oil, I wil second that. Danny
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination
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#5
05-11-2008, 08:56 PM
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How do I add oil? I see cans of PAG oil, but how do I get it in the system?
__________________
1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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#6
05-12-2008, 07:47 AM
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Get oil into the compressor ASAP. Also check and make sure that the circuit is not over-fused. If that compressor gets close to letting go, you want the fuse to blow before it seizes up!
Don't ask me how I know this. :-(
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#7
05-12-2008, 08:23 AM
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How do I get oil in the system?
__________________
1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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