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Home >> Audi >> 2012 >> TT Base, 2D Convertible >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Mechanical Components - Brake System (Roadster) >> 46 Mechanical Components >> Description And Operation >> Front Brake Caliper Piston, Pressing Back

Front Brake Caliper Piston, Pressing Back

Special tools and workshop equipment required 

NOTE:

Press brake piston back into caliper housing using resetting tool before inserting new brake pads. Before pressing back, extract brake fluid from reservoir with bleeder bottle so escaping fluid does not damage components.

Press the brake pistons back with the T10145.

Make sure that brake fluid cannot leak out of the brake fluid reservoir because it will damage components and the paint.

When siphoning brake fluid, always use a bleeder bottle that is used exclusively for brake fluid.

WARNING:

Brake fluid is poisonous. NEVER siphon brake fluid with your mouth! Also due to its corrosive effect, brake fluid must not come into contact with paint work.

Fig 1: Pressing Piston Back Into Caliper Housing
GWWA46-10038Courtesy of AUDI OF AMERICA, LLC
Fig 2: Identifying Piston Pressed Back Into Cylinder
GWWA46-0089Courtesy of AUDI OF AMERICA, LLC