Check for worn, damaged, or rusted piston bore and piston. Replace the damaged parts if necessary.
Check for damaged piston seal, boot and pin insulators.
Apply the recommended fluid to the following parts.
Parts | Recommended fluid | Quantity |
Piston seal | Brake fluid (Dot 3 or Dot 4) | As required |
Cylinder inner side | Brake fluid (Dot 3 or Dot 4) | As required |
Piston boot | Brake fluid (Dot 3 or Dot 4) | As required |
Piston outer surface | Brake fluid (Dot 3 or Dot 4) | As required |
Guide-rod insulators | Rubber grease | As required |
Push the piston into the caliper.
Position the piston matchmars on the upper side so that they are located in a straight line with the piston.