LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2025 >> Forester Wilderness >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Brake System) >> Brake Booster >> Removal

Brake Booster: Removal

WARNING: This page is about a different car, the 2023 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • Do not allow brake fluid to come in contact with the painted surface of the vehicle body. If it does, wash off with water and wipe away completely.
  • Before performing service on the airbag module, always refer to "CAUTION" of "General Description" in "AIRBAG SYSTEM" service information . Ref. to AIRBAG SYSTEM>GENERAL DESCRIPTION>CAUTION .
  1. Using the refrigerant recovery system, discharge refrigerant. Ref. to AIR CONDITIONER>REFRIGERANT RECOVERY PROCEDURE>PROCEDURE .
  2. Disconnect the ground terminal from the battery sensor, and wait for at least 60 seconds before starting work. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  3. Remove the engine control module (ECM). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>ENGINE CONTROL MODULE (ECM)>REMOVAL .
  4. Pull up the lock lever (b) while pressing the lock button (a) and disconnect the connector.
    G16440141Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the bracket harness electric booster.
    G16440142Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect connectors.
    G16440143Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the hose pressure suction. Ref. to AIR CONDITIONER>HOSE AND PIPE>REMOVAL>HOSE .
  8. Remove the pipe assembly front ABS.
    1. Separate pipe assembly front ABS using a flare nut wrench.
    2. Release the pipe clamps, and remove the pipe assembly front ABS.
    G16440144Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the cover LWR driver. Ref. to EXTERIOR/INTERIOR TRIM>INSTRUMENT PANEL LOWER COVER>REMOVAL .
  10. Remove the knee airbag module. Ref. to AIRBAG SYSTEM>KNEE AIRBAG MODULE>REMOVAL .
  11. Remove the duct foot driver. Ref. to AIR CONDITIONER>HEATER DUCT>REMOVAL>FOOT .
  12. Remove the snap pin (a) and clevis pin (b), and remove the operating rod from the pedal COMPL brake.
    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.
    G16440145Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the electric booster assembly.
    CAUTION:
    • Do not disassemble the electric booster assembly.
    • Be careful not to drop the electric booster assembly. If the electric booster assembly is dropped accidentally, replace it.
    • Be careful when placing the electric booster assembly on floor.
    • Place the removed electric booster assembly as shown in the figure below and be careful not to apply a force (a) from above. If a force (a) from above is applied, the internal mechanical part (b) may become damaged.
    G16387166Courtesy of SUBARU OF AMERICA, INC.
    G16440147Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the master cylinder assembly from the electric booster assembly if necessary. Ref. to BRAKE>MASTER CYLINDER>REMOVAL .
scientia non olet · About LEMON Manuals