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.

2003 Subaru Baja AutomaticFACTORY OEM SERVICE PROCEDURE

Intake Manifold: Assembly

Install fuel pipe assembly and pressure regulator, etc. to intake manifold.
Tighten bolt which installs fuel pipes on intake manifold.
1. Tightening torque: 4.9 N.m (0.5 kgf-m, 3.6 ft-lb)
  
  Fig 1: Installing Fuel Pipes Bolt
  Courtesy of SUBARU OF AMERICA, INC.
Connect right side fuel hose to injector pipe, and tighten clamp screw.

Fig 2: Tightening Clamp Screw
Courtesy of SUBARU OF AMERICA, INC.
Install fuel injector pipe.
Connect left side fuel hose to injector pipe, and tighten clamp screw.

Fig 3: Connecting Left Side Fuel Hose To Injector Pipe
Courtesy of SUBARU OF AMERICA, INC.
Connect air assist hoses.

Fig 4: Connecting Air Assist Hoses
Courtesy of SUBARU OF AMERICA, INC.
Install fuel injectors.
NOTE: Always use new o-rings.

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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.