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Home >> Audi >> 2014 >> A5 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Hydraulic Components - Brake System (Coupe)) >> 47 Hydraulic Components >> Removal And Installation >> Front Brakes >> Front Brake Caliper Piston, 1LW >> Removing

Front Brake Caliper Piston, 1LW: Removing

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-- Force piston from brake caliper housing, one at a time, using compressed air.

Fig 1: Forcing Pistons Out Individually Of Brake Caliper Housing Using Compressed Air
GWWN47-0216Courtesy of AUDI OF AMERICA, LLC

Only one piston can be pressed out at a time. Secure opposite piston in brake caliper housing using piston resetting tool -a-. Block the other pistons, for example using wood blocks -b-. In addition, place a wooden board -c- in front of the piston resetting tool so that the piston will not be damaged when pressed out.

-- Remove seal with 3409.

Fig 2: Identifying Seal & Trim Removal Wedge 3409
GWWN47-0217Courtesy of AUDI OF AMERICA, LLC

Be careful not to damage the surface of the cylinder while removing the seal.