Volkswagen Workshop Service and Repair Manuals

Removing

• ‒ → Force piston out of brake caliper housing using compressed air.

Note:

Place a piece of wood in the recess to prevent damaging the piston.

• ‒ → Take out seal.
• ‒ To do this use modified wedge V.A.G 1474/5.

Note:

When removing ensure that the surface of the cylinder is not damaged.

Modifying wedge V.A.G 1474/5 .

Modifying wedge V.A.G 1474/5

• ‒ Reshape wedge point size in area -a- as per illustration observing width -b- (6 mm).
• ‒ Reshape wedge point to length -c- (10 mm).
• ‒ Remove burrs from modified wedge point.

Installing

• ‒ → Place protective seal with the outer sealing lip on the piston.

• ‒ → Using a plastic wedge, insert the inner sealing lip into the cylinder groove.

Note:

When doing this hold piston in front of caliper housing.

• ‒ → Press piston into the brake caliper housing using piston resetting tool.

Note:

The protective seal outer sealing lip will then locate in the piston groove.