2004 Subaru Baja Base, StandardFACTORY OEM SERVICE PROCEDURE

Intake Manifold: Assembly

  1. Install fuel pipe assembly and pressure regulator, etc. to intake manifold.
  2. Tighten bolt which installs fuel pipes on intake manifold.
    1. Tightening torque:Β  4.9 N.m (0.5 kgf-m, 3.6 ft-lb)
    Fig 1: Tightening Bolt Which Installs Fuel Pipes On Intake Manifold
    G00898736Courtesy of SUBARU OF AMERICA, INC.
  3. Connect right side fuel hose to injector pipe, and tighten clamp screw.
    Fig 2: Connecting Right Side Fuel Hose To Injector Pipe & Tightening Screw
    G00898737Courtesy of SUBARU OF AMERICA, INC.
  4. Install fuel injector pipe.
  5. Connect left side fuel hose to injector pipe, and tighten clamp screw.
    Fig 3: Connecting Left Side Fuel Hose To Injector Pipe
    G00898738Courtesy of SUBARU OF AMERICA, INC.
  6. Connect air assist hoses.
    Fig 4: Connecting Air Assist Hoses
    G00898739Courtesy of SUBARU OF AMERICA, INC.
  7. Install fuel injectors.
    NOTE: Always use new o-rings.
Factory Service Tools

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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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