S4 Quattro Sedan V6-2.7L Turbo (APB) (2000)
Removing seal using 3409 wedge
Installing inner sealing lip of protective seal using 3409 wedge
Note: Hold the piston in front of the caliper housing for this procedure.
Turning piston into brake caliper housing to stop
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Turn piston in by turning threaded spindle -A- clockwise and knurled section -B- counter clockwise.
Note: The outer sealing lip of the protective seal will then locate in the piston groove.