Rear Brake Caliper Piston, Removing And Installing: Removing

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 Audi S7, 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, and 2014 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the piston from the brake caliper as far as possible.

-- Use compressed air to push the piston out of the brake caliper housing

Fig 1: Forcing Piston Out Of Brake Caliper Housing Using Compressed Air

Courtesy of AUDI OF AMERICA, LLC

NOTE:

When removing, make sure that surface of cylinder is not damaged.

Place a wooden board into the recess of the caliper housing so it is not damaged.

-- Remove the old seal from brake caliper with Trim Removal Wedge 3409.

Fig 2: Removing Old Seal From Brake Caliper With Trim Removal Wedge 3409

Courtesy of AUDI OF AMERICA, LLC