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Home >> Subaru >> 2005 >> Forester XT, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Mechanical >> Brake Booster >> Installation

Brake Booster: Installation

  1. Adjust the operating rod of brake booster.

    Standard: L 

    144.6 mm (5.69 in) 

    If it is not within specified value, adjust it by adjusting the brake booster operating rod.

    Fig 1: Adjusting Brake Booster Operating Rod Length
    G03808687Courtesy of SUBARU OF AMERICA, INC.
  2. Mount the brake booster in position.
  3. Connect the operating rod to brake pedal with clevis pin and snap pin.
    Fig 2: Connecting Operating Rod To Brake Pedal With Clevis Pin And Snap Pin
    G03808688Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the vacuum hose to brake booster.
    Fig 3: Connecting Vacuum Hose To Brake Booster
    G03808689Courtesy of SUBARU OF AMERICA, INC.
  5. Mount the master cylinder onto brake booster.
  6. Connect the brake pipes to master cylinder.
  7. Connect the electric connector for brake fluid level indicator.
  8. Measure the clearance between threaded end of stop light switch and stopper. If it is not within specified value, adjust it by adjusting the position of stop light switch. < Ref. to ADJUSTMENT , Stop Light Switch. >

    If it is not within specified value, adjust it by adjusting the position of stop light switch.

    CAUTION: Be careful not to rotate the stop light switch.

    Stop light switch clearance: A 

    0.3 mm (0.012 in) 

    Fig 4: Identifying Stop Light Switch Clearance
    G03808690Courtesy of SUBARU OF AMERICA, INC.
  9. Apply grease to operating rod connecting pin to prevent it from wearing.
  10. Bleed air from the brake system. < Ref. to AIR BLEEDING . >

    Tightening torque (Air bleeder screw): 

    8 N.m (0.8 kgf-m, 5.8 ft-lb) 

  11. Conduct road tests to ensure brakes do not drag.
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