A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
-
Extract piston from brake caliper housing by turning knurled wheel counter-clockwise.
Note:
^
Install reset and screw out tool 3272 so that the collar is positioned against the piston.
^
If piston is difficult to move, use a 13 mm open end wrench on the flats - arrow A -.
-
Use trim removal wedge 3409 to remove seal.
Note: When removing make sure that the hole of the cylinder is not damaged.
Installing
-
The surface of the piston and seal should be cleaned using only methylated spirits and then dried.
-
Apply a thin coat of lithium grease G 052 150 A2 to piston and seal before inserting.
-
Insert O-ring into brake caliper housing.
-
Place protective cap with the outer sealing lip on the piston.