2017 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Fuel pump ASSY (FA20): Assembly

  1. Fuel pressure regulator installation
    1. Apply gasoline to two new O-rings and back-up ring, and then install them to the fuel pressure regulator.
      Fig 1: Identifying Back-Up Ring And O-Ring
      G11258812Courtesy of SUBARU OF AMERICA, INC.
    2. Install the fuel pressure regulator to the fuel filter.
      CAUTION: Install it so that the O-ring is not cut or pinched.
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When to See a Mechanic

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

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

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