Brake Caliper Piston, Removing And Installing, 1LU/1LV/1LM/1LX/1LN/1LW: Installing

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NOTE:

Install the entire repair kit.

Only use mineral spirits to clean the brakes.

When a brake caliper piston or a piston cylinder are damaged, the brake caliper must be replaced.

-- Clean the surfaces on the pistons and seal only with mineral spirits and then dry.

-- Thinly coat the brake caliper pistons and seals with lithium grease before installing.

-- Insert the gasket into the brake caliper.

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Risk of damaging the ceramic brake caliper pistons.

The ceramic inserts on the brake caliper piston serves as a heat insulator and must not be removed from the brake piston. If the ceramic inserts are damaged, the brake caliper must be replaced for safety reasons.

-- Install the protective cap on the brake caliper piston.

Courtesy of AUDI OF AMERICA, LLC

-- Without tilting it, push the brake caliper pistons using constant pressure.

Courtesy of AUDI OF AMERICA, LLC

-- Press the protective cap into the groove on the brake caliper.

The protective cap must fit tightly in the groove. If necessary, push down on it slightly with the :T10145 .

-- Repeat the work procedure on the next brake caliper piston.

-- Install the brake caliper. Refer to BRAKE CALIPER, REPLACING .