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Home >> Audi >> 2024 >> S8 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Components (Brakes) >> 47 Hydraulic Components >> Front Brake Caliper >> Brake Caliper Piston, Removing And Installing >> Installing

Brake Caliper Piston, Removing And Installing: Installing

-- Clean the surface of the brake caliper piston only with mineral spirits and let it dry.

-- Before inserting the seal, thinly coat it with Lithium Grease.

-- Insert the seal into the brake caliper and check for correct seating.

-- Place the protective cap -4- on the brake caliper piston -3-.

GWWN47-10424Courtesy of AUDI OF AMERICA, LLC

-- The protective cap -4- must sit correctly in the groove -arrow-.

-- Before inserting the piston and the seal, apply a thin coat of Lithium Grease.

-- Without tilting it, push the brake caliper piston -3- into the brake caliper -1- using constant pressure.

GWWN47-10425Courtesy of AUDI OF AMERICA, LLC

-- Press the protective cap -4- into the groove on the brake caliper. If necessary, use the Piston Resetting Tool: T10145  .

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

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