90S Quattro (Canada) V6-2.8L (AAH) (1993)
9. Guide pin
Grease before installing protective caps
10. Protective cap
Attach to brake pad carrier and guide pin
Fig. 1 Removing pistons from brake caliper housing
WARNING: Risk of accident! Secure one piston while removing the other. Apply pressure gradually. Guard against sudden release of the
piston.
Place wooden board into the recess ofthe caliper housing to catch each piston so that ft is not damaged.
Press pistons out of brake caliper housing individually using compressed air.
Hold one piston in housing with press tool.
Use compressed air to force other piston out.
Use compressed air to force remaining piston out.
Carefully remove piston seals using screwdriver.
Press gently into groove in brake caliper housing using screwdriver.
Note:
During this process, hold the piston in position in front of the brake caliper housing.