90CS Quattro V6-2.8L (AAH) (1994)
Brake Caliper: All Technical Service Bulletins
Repairing Rear Brake Caliper
REAR BRAKE CALIPER, REPAIRING
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remove rear brake calipers
Fig. 1 Piston, removing
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remove piston by turning threaded spindle counterclockwise and knurled knob clockwise
Note
If piston is hard to turn, a 13 mm wrench can be used on flat surface provided (arrow a).
Fig. 2 Protective seal, installing on piston