Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSISBRAKESMECHANICAL - HYDRAULICBRAKE SYSTEMBRAKE BOOSTERINSTALLATION

2014 Subaru Outback 2.5i, Standard Trans

Brake Booster: Installation

2014 Subaru Outback 2.5i, Standard TransSECTION Installation

Check and adjust the operating rod of the brake booster.
1. Measure the length between the brake booster mounting surface and clevis pin hole.
2. If it is not within specification, loosen the lock nut, rotate the brake booster operating rod to adjust the rod length.
  Specification L: 136.5 mm (5.37 in)
  
  Fig 1: Identifying Length Between Brake Booster Mounting Surface And Clevis Pin Hole
  Courtesy of SUBARU OF AMERICA, INC.
Install each part in the reverse order of removal.
CAUTION:
- Apply grease to the snap pin to prevent the operating rod from wear.
- Replace the clevis pin with new parts, and apply thin coat of NIGTIGHT LYW No. 2 grease to the clevis pin.
- When installing the master cylinder assembly, replace the seal sub assembly with a new part, and install it to the brake booster.
  
  Fig 2: Installing Master Cylinder Seal Sub Assembly
  Courtesy of SUBARU OF AMERICA, INC.
- Install the bracket at the position with sufficient clearance that it does not contact with the check valve.
- Be sure to loosen the master cylinder mounting nut while holding the bracket with hand. Otherwise the bracket may deform.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.