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Removal and installation
 
 
REMOVAL
cautionNever spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it off immediately and wash with water if it gets on a painted surface. For brake component parts, never wash them with water.
 
 
1. Perform inspection before removal. Refer to Inspection and Adjustment.
2. Drain brake fluid. Refer to DrainingDraining.
3. Remove brake master cylinder assembly. Refer to Removal and Installation.
4. Follow the procedures below to disconnect the wiring harness connector from the electric driven intelligent brake unit.
(1) Down the pawl .
(2) Push the connector .
(3) Move the lever in the direction until locked.
(4) Disconnect the electric driven intelligent brake unit wiring harness connector.
5. Disconnect the brake pedal stroke sensor connecter. Refer to Component Parts Location
6. Remove the cowl top panel. Refer to REMOVAL AND INSTALLATION.
7. Disconnect the connection of the brake pipe and H/U, then remove the pipe from the clip securing it and move the pipe to the A/C pipe side.
8. Remove snap pin and clevis pin .
9. Remove nuts on brake booster and brake pedal assembly.
cautionHold the brake booster so as to avoid dropping out.
10. Remove the power drive unit.
11. Remove the power drive unit side hose and underfloor hose from the EV cooling piping and disconnect the bracket securing the pipe to the vehicle body so that the pipe can be moved freely.
12. Remove brake booster.
cautionNever deform or bend the brake tubes.
13. Perform inspection after removal. Refer to Inspection and Adjustment.
 
 
INSTALLATION
cautionNever spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it off immediately and wash with water if it gets on a painted surface. For brake component parts, never wash them with water.
Note the following, and install in the reverse order of removal.
  • Be careful not to damage brake booster stud bolt threads. If brake booster is tilted during installation, the dash panel may damage threads.
  • Never deform or bend the brake tubes when installing the brake booster.
  • Always use new gasket between the brake booster and the dash panel.
  • Replace clevis pin when found damage.
  • Never allow foreign matter (e.g.dust) and oil other than brake fluid to enter reservoir tank.
  • Perform the air bleeding. Refer to Bleeding Brake System.
    cautionNever reuse brake fluid to drain.
  • Check each item of brake pedal. Adjust it if the measurement value is not the standard. Refer to Inspection and Adjustment.
  • When replacing the electric driven intelligent brake unit, be sure to perform the configuration.Refer to Work Procedure