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Have dye around outer seam of compressor, is there

Have dye around outer seam of the a/c compressor, in my 1990 GMC truck, is there a internal seal in this location?

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Not sure which seam you are talking about. But here goes, the compressor will have a front plate that will have a seal at the shaft behind the clutch, then a gasket (or o-ring) to seal that plate to the compressor body. Then at the other end where the hoses are, you will also have a gasket (or o-ring) in between the body and this plate. You will have a plate or an adapter that bolts to the end plate that the hoses bolt to. any one of these gaskets (or o-rings) can leak. If it is in the front area close to the belt or clutch area that could be the shaft seal, that is the only part I would tell you to try an replace, the body gaskets are too risky.

Posted on Jul 02, 2009

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