RS 6 V8-4.2L Turbo (BCY) (2003)
Fig. 2 Removing seal using 3409 wedge
Installing
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Use only appropriate solvent to clean surfaces of piston and protective seal, then dry.
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Apply thin coat of brake cylinder paste G 052 150 A2 to piston and protective seal before installing.
Fig. 3 Pulling dust seal on with outer sealing lip on piston
Fig. 4 Inserting inner sealing lip of dust seal using 3409 wedge
Note: Hold piston in front of caliper housing for this procedure.
Fig. 5 Screwing piston into brake caliper housing until stop