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Pre-bleeding the brake caliper > < Repairing the brake caliper Bosch BIRIII

Octavia Mk2

Removing and installing the piston for the brake caliper Bosch BIRIII
Removing and installing the piston for the brake caliper Bosch BIRIII
Special tools and workshop equipment required
t  Resetting tool -T10165-
t  Disassembly wedge -3409-
Removing:
   
Insert the resetting tool -T10165- in such a way that the collar is resting on the piston.
–  Release the piston by turning the knurled wheel of the resetting tool -T10165- to the left.
t  Use open-jawed spanner on a provided spanner surface -arrow A- if the piston is difficult to move.
  S47-0089
–  Remove protective cap and gasket ring with disassembly wedge -3409-.
Installing:
–  Clean piston and gasket ring with white spirits and dry off.
–  Before installing the piston and gasket ring thinly coat with lithium grease -G 052 150 A2-.
  S47-0138
–  Position the new protective cap with the inner sealing lip on the piston.
–  Insert outer sealing lip of the protective cap with the disassembly wedge -3409- in the shoulder on the brake caliper.
–  Carefully press in the protective cap up to the stop using the disassembly wedge -3409-.
  Note
t  Pay attention to the correct position of the protective cap in the brake caliper.
t  Do not damage the protective cap when pressing it on.
  Caution
Use the resetting tool -T10165- to adjust the piston.
The automatic adjustment in the brake caliper is destroyed when adjusting the piston with a resetting tool e.g. -T10165- or by actuating the brake pedal.
  S47-0137
Insert the resetting tool -T10165- in such a way that the collar is resting on the brake caliper.
–  Screw the piston by turning the knurled wheel of the resetting tool -T10165- to the right into the brake caliper.
–  Check the correct position of the protective cap in the shoulder on the piston, if necessary correct the position using the disassembly wedge -3409-.
  S47-0090

Pre-bleeding the brake caliper > < Repairing the brake caliper Bosch BIRIII