Seat Leon >> Exploded view - rear brake calliper

Assembly overview - rear brake calliper, vehicles with manual parking brake

  1. - Air drain plug, 10 Nm
    • Before tightening, apply a fine layer of assembly paste to the screw thread .
  2. - Protective cap
  3. - Bolt, 35 Nm
    • Self-locking
    • Replace after each removal
    • When loosening and tightening, lock the guide pin
  4. - Brake caliper housing with lever for the handbrake cable
    • If the hand brake cable lever is not sealed, then replace the calliper housing.
    • After repairing, carry out an initial purge on the brake calliper housing
  5. - Guide pin
    • Grease before fitting the protective hood
  6. - Protective cap
    • Fit to the brake plate and to the guide pin
  7. - Brake back plate with guide pins and protective cover
    • Delivered as assembled part, with sufficient grease on the guide pins
    • If the protective covers or the guide pins are damaged, then the repair kit must be fitted. Use grease sachet supplied to lubricate the guide pins.
  8. - Protective cap
    • Fit with the outer sealing lip on the piston
  9. - Piston with automatic readjustment device
    • Remove and install
    • Apply a thin coating of assembly paste to the piston
  10. - Oil seal
    • Take care not to damage when inserting piston.
    • Remove and install

Assembly overview - rear brake calliper, vehicles with electronic parking brake

  • When carrying out repairs, install all parts supplied in repair kit.
  • Use only methylated spirits for cleaning the brake.
  • New brake calipers are filled with brake fluid and are pre-bled.

Brakes - hydraulics

  1. - Brake calliper
  2. - Damper bushes
  3. - Guide pin
  4. - Hoods
  5. - Hexagon socket head bolt
    • 8 Nm
  6. - Parking brake motor.
  7. - Seal
    • Renew
  8. - Compressor nut
    • Removing and installing not possible.
  9. - Seal
    • Removing and installing not possible.
  10. - Piston
    • Removing and installing not possible.
  11. - Protective cap
    • Remove and install
      Note Brake caliper does not need to be removed in order to renew protective cap; do not unbolt break hose.
  12. - Bleeder screw
    • Apply thin coat of assembly paste G 052 150 A2 to thread before screwing in.
    • 10 Nm
  13. - Grease cap
    Removing and installing brake calliper pistons, vehicles with manual parking brake
    Special tools and workshop equipment required Wedge - 3409- Opening/closing wrench - T10165- Note Other than removal and installation of the brake calliper piston, no repairs ar ...

    See also:

    Acoustic parking aid system*
    Rear parking aid The parking aid system will use an acoustic signal to warn of the approach of any object towards the rear of the vehicle. Description The acoustic parking aid system will measure ...