AC compressor knocking

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AC compressor knocking

05-06-2008, 10:46 PM

79Mercy

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Join Date: Mar 2008

Location: Florida

Posts: 4,131

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

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