Front Brake Caliper Piston, 1LW: Removing

• The brake caliper is removed.
• Brake Caliper, Removing, Ceramic Brakes, refer to BRAKE CALIPER .

-- Force piston from brake caliper housing, one at a time, using compressed air.

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

Courtesy of AUDI OF AMERICA, LLC

Only one piston can be pressed out at a time. Secure opposite piston in brake caliper housing using piston resetting tool -a-. Block the other pistons, for example using wood blocks -b-. In addition, place a wooden board -c- in front of the piston resetting tool so that the piston will not be damaged when pressed out.

-- Remove seal with 3409.

Fig 2: Identifying Seal & Trim Removal Wedge 3409

Courtesy of AUDI OF AMERICA, LLC

Be careful not to damage the surface of the cylinder while removing the seal.