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.
2004 Subaru Baja Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Intake Manifold: Installation
- Install intake manifold onto cylinder heads.NOTE: Always use new gaskets.
Tightening torque:Β
25 N.m (2.5 kgf-m, 18.1 ft-lb)Β
- Connect fuel hoses.
- Install EGR pipe to intake manifold and cylinder head.
Tightening torque:Β
34 N.m (3.5 kgf-m, 25 ft-lb)Β
- Connect connectors to engine coolant temperature sensor.
- Connect connectors to front oxygen (A/F) sensor.
- LH side
- RH side
- Connect connector to camshaft position sensor.
- Connect connector to oil pressure switch.
- Connect connector to crankshaft position sensor.
- Connect knock sensor connector.
- Install air intake chamber stay RH and engine harness bracket, and connect engine harness connectors to bulkhead connectors.
- Connect brake booster hose.
- Connect engine coolant hose (A) to throttle body.
- Connect PCV hose to intake manifold.
- Connect spark plug cords to spark plugs.
- Install power steering pump and tank on brackets.
- Install power steering tank on bracket.
- Connect connector to power steering pump switch.
- Tighten bolts which install power steering pump on bracket.
Tightening torque:Β
22 N.m (2.2 kgf-m, 15.9 ft-lb)Β
- Install power steering pipes onto right side intake manifold protector.
- Install front V-belt. Refer to INSTALLATION , V-belt.
- Install air intake duct.
- Install air cleaner case and air intake chamber. Refer to INSTALLATION , Air Cleaner Case and INSTALLATION , Air Intake Chamber.
- Connect connector to fuel pump relay.
- Connect battery ground cable.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
