Brake Caliper Piston, Removing And Installing, Single-Piston Brake: Removing

Fig 1: Identifying Wooden Board Placed Into Recess Of Caliper Housing

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The brake caliper is removed.
Place a wooden board into the recess so the brake caliper piston is not damaged.

WARNING:

Risk of injury!

Wear protective eyewear.
When removing the brake caliper piston, never touch the brake caliper chamber with fingers.
Place a cloth over the brake caliper chamber to catch any spraying brake fluid. Place another cloth tightly around the compressed air gun nozzle on the brake caliper.
To prevent skin contact with brake fluid, wear chemical resistant safety gloves.

-- To catch spraying out brake fluid, place a cloth tightly around the compressed air gun nozzle on the brake caliper.

-- Position the compressed air gun nozzle on the hole -arrow- for the brake hose and press the brake caliper piston out of the brake caliper.

-- Remove the protective cap from the brake caliper using the : 3409 .

Fig 2: Identifying Protective Cap Pried Off From Brake Caliper With Trim Removal Wedge 3409

Courtesy of AUDI OF AMERICA, LLC

A - Vise Protective Jaws

-- Remove the seal using the : 3409 .

Fig 3: Identifying Removal Of Brake Caliper Seal With Wedge 3409

Courtesy of AUDI OF AMERICA, LLC