2021 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Front Brake Pipe

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • Before handling the airbag system components, refer to "CAUTION" of "General Description" in "AIRBAG SYSTEM". Ref. to  AIRBAG SYSTEM>GENERAL DESCRIPTION>CAUTION  . 
  • When installing the brake pipe, do not bend. 
  • After installing the brake hoses, make sure that they do not contact the tires or suspension assembly, etc. 
  1. Install the pipe assembly front ABS.
    1. Install the pipe assembly front ABS to the pipe clamp and clip.
    2. Install the pipe assembly front ABS using a flare nut wrench and a crowfoot wrench.
    NOTE:

    If the work can be performed with the front and back sides reversed, it is also possible to use a 6-point crowfoot wrench. 

    Tightening torque: 

    Calculation formula

    T = 15 N.m (1.5 kgf-m, 11.1 ft-lb) x L1/(L1 + L2)

    T: Reading of the torque wrench

    L1: Effective length of the torque wrench

    L2: Effective length of the crowfoot wrench

    NOTE:

    If the effective length of the tool used is unknown, consult the manufacturer of the tool. 

    G14602306Courtesy of SUBARU OF AMERICA, INC.
  2. Install the vacuum booster assembly. (Except for electric brake booster model) Ref. to BRAKE>BRAKE BOOSTER>INSTALLATION>EXCEPT FOR ELECTRIC BRAKE BOOSTER MODEL .
  3. Install the electric booster assembly. (Electric brake booster model) Ref. to BRAKE>BRAKE BOOSTER>INSTALLATION>ELECTRIC BRAKE BOOSTER MODEL .
  4. Install the engine control module (ECM). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>ENGINE CONTROL MODULE (ECM)>INSTALLATION .
  5. Install the intercooler. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTERCOOLER>INSTALLATION .
  6. Install the crossmember support rear RH. Ref. to FRONT SUSPENSION>CROSSMEMBER SUPPORT>INSTALLATION .
  7. Bleed air from the brake system. Ref. to BRAKE>AIR BLEEDING>PROCEDURE .
  8. Install the front wheels. Ref. to WHEEL AND TIRE SYSTEM>TIRE AND WHEEL>INSTALLATION .
  9. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
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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.