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Old 05-12-2021, 04:54 PM
66sprint 66sprint is offline
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Join Date: May 2000
Location: arlington,tx
Posts: 290
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I worked in our family business rebuilding the A6 (and other compressors) back in the early to late 80's. It is an exceptionally strong compressor but there were problems even back then when trying to rebuild them correctly. Biggest headache was finding decent valve plates.

The problems got worse as decent cores got harder to find. It has not been used on a production car in forever.

The front shaft seal design worked fine when all the parts were in spec, but as parts wore out and the quality of the replacement seals dropped it became common for them to leak.