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Home >> Subaru >> 2021 >> Crosstrek Limited >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Brake System >> Brake Booster >> Removal >> Hybrid Model

Hybrid Model

NOTE: The electric brake booster control module (EBBCM) is integrated with the master cylinder.
  1. Perform the accumulator down drive. Ref. to BRAKE>BRAKE SYSTEM>OPERATION>ACCUMULATOR DOWN DRIVE .
  2. Disconnect the ground terminal from battery and wait for at least 60 seconds before starting work. Ref. to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
  3. Lift up the vehicle, and then remove the front and rear wheels.
  4. Move the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO (EXCEPT FOR HEV))>AIR INTAKE BOOT>REMOVAL .
    NOTE: With the PCV hose connected, remove the air intake boot from the air cleaner case (rear) and throttle body.
  5. Remove the engine control module (ECM). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO(HEV))>ENGINE CONTROL MODULE (ECM)>REMOVAL .
  6. Remove the connectors and clips of the adapter cord.
    G13232122Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the brake pipe assembly from the pipe clip.
    G13232123Courtesy of SUBARU OF AMERICA, INC.
  8. Release the claws, remove the clips and nuts, and remove the bracket - adapter cord.
    G13232124Courtesy of SUBARU OF AMERICA, INC.
  9. Disconnect the brake pipe assembly and the reservoir joint pipe from the electric brake booster control module (EBBCM).
    G13232125Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the cover assembly - instrument panel LWR driver. Ref. to EXTERIOR/INTERIOR TRIM>INSTRUMENT PANEL LOWER COVER>REMOVAL .
  11. Remove the knee airbag module. Ref. to AIRBAG SYSTEM>AIRBAG CONNECTOR>PROCEDURE>KNEE AIRBAG MODULE AND PASSENGER'S LAP SEAT BELT PRETENSIONER .
  12. Remove the universal joint assembly - steering. Ref. to POWER ASSISTED SYSTEM (POWER STEERING)>UNIVERSAL JOINT>REMOVAL .
    CAUTION: To prevent damage to the universal joint assembly - steering and improper steering effort, make sure to remove the universal joint assembly - steering.
  13. Remove the column assembly - steering. Ref. to POWER ASSISTED SYSTEM (POWER STEERING)>STEERING COLUMN>REMOVAL .
  14. Remove the duct - foot driver. Ref. to AIR CONDITIONER (HEV)>HEATER DUCT>REMOVAL .
  15. Remove the hybrid powertrain control module. Ref. to HYBRID ELECTRIC VEHICLE>HYBRID POWERTRAIN CONTROL MODULE>REMOVAL .
  16. Remove the snap pin (a) and clevis pin (b), and remove the operating rod from the brake pedal.
    CAUTION:
    • Be careful not to apply excessive force to the operating rod when handling the operating rod. The angle may change by ±3°, and it may result in damage to power piston cylinder.
    • Do not change the push rod length.
    G11255222Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the electric brake booster control module (EBBCM).
CAUTION:
  • Do not disassemble the electric brake booster control module (EBBCM).
  • Do not subject the electric brake booster control module (EBBCM) to any strong impact.
  • Be careful not to drop the electric brake booster control module (EBBCM). If the electric brake booster control module (EBBCM) was dropped, replace the EBBCM.
  • Place the electric brake booster control module (EBBCM) on the floor as follows.
G13232127Courtesy of SUBARU OF AMERICA, INC.
  1. Remove the nuts and remove the electric brake booster control module (EBBCM).
G13232128Courtesy of SUBARU OF AMERICA, INC.
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