Front Brake Caliper Piston, Removing And Installing: Removing

WARNING: This page is about a different car, the 2023 Volkswagen Atlas. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Place a wooden board into the recess so the piston is not damaged.

Only one piston can be pressed out respectively, at the same time hold the other pistons in the brake caliper using the piston resetting tool.

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

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

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the protective cap from the piston using the :3409 .

Fig 2: Removing Protective Seal Out Of Piston Groove Using Wedge 3409

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the piston.

NOTE:

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

-- Remove the protective cap using the :3409 .

Fig 3: Removing Protective Seal Using Wedge 3409

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the seal with the :3409 .

Fig 4: Remove Seal Using Wedge 3409

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

NOTE:

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