A8 Sedan V8-3.7L (AEW) (1997)
Fig. 4 Pulling protective cap on with outer sealing lip on piston
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Install protective cap -1- on piston
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Piston -2
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Insert sealing ring -3- in brake caliper
Fig. 5 Inserting inner sealing lip of protective cap using 3409 wedge
Note: Insert piston into hole by hand.
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Press brake piston past inner seal by hand