Brake Caliper Piston/Protective Cap/Gasket, Removing And Installing: Removing
- The brake caliper is removed.
-- Tension the brake caliper in a vise with protective covers over the jaws.
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.
Make sure that the paint coat on the brake caliper is not damaged when removing the brake caliper pistons and the protective caps.
Only one brake caliper piston can be pressed out at a time.
-- Hold the opposite brake caliper piston in the brake caliper using the -T10145- -a-.
Courtesy of AUDI OF AMERICA, LLC-- To prevent damage to the brake caliper paint coating, place a piece of rubber or similar object between the -T10145- and the brake caliper.
-- Block the other brake caliper pistons, for example, using wooden blocks -b-. In addition, place a wooden board -c- in front of the :T10145 -a- so that the brake caliper piston will not be damaged when pressed out.
Courtesy of AUDI OF AMERICA, LLC-- Position the compressed air gun nozzle on the hole for the brake hose and press the brake caliper piston out of the brake caliper.
The bleed screws are closed.
:VAS40338
-- Carefully pry the protective cap -1- and the seal out of the brake caliper with the :VAS40338 -2- using gentle lever movements, and do not damage the groove for the protective cap in the brake caliper while doing so.
When a piston wall is damaged, the brake caliper must be replaced.
:VAS40338
-- Carefully pry the protective cap -1- and the seal out of the brake caliper with the :VAS40338 -2- using gentle lever movements, and do not damage the groove for the protective cap in the brake caliper while doing so.
When removing, make sure that the cylinder surface is not damaged.
When a piston wall is damaged, the brake caliper must be replaced.