A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Brake Caliper: Overhaul
Caliper Piston, Brembo
Caliper Piston, Brembo
Special tools, testers and auxiliary items required
‹› Wedge (3409)
‹› Piston resetting tool (T10145)
‹› Lithium grease (G 052 150 A2)
Removing
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Force pistons out individually of brake caliper housing by using compressed air.
Only one piston can be forced out at a time. When doing this, hold the opposing piston in the caliper using the piston resetting tool (T10145) - a -.
Block other pistons using a suitable item, such as a block of wood - b -. When using the piston resetting tool (T10145) place an additional piece of
wood - c - between the tool and the piston to prevent damage to the piston when it is pushed out.
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Remove the seal using trim removal wedge (3409 ).
When removing make sure that the surface of the cylinder is not damaged.
Installing
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The surface of the piston and seal must only be cleaned with methylated spirits and then dried.