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.

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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALTIMING BELTENGINE MECHANICAL (H4SO)CYLINDER HEADASSEMBLY

2005 Subaru Outback i, Standard

Cylinder Head: Assembly

2005 Subaru Outback i, StandardSECTION Assembly

Fig 1: Identifying Components Cylinder Head

Courtesy of SUBARU OF AMERICA, INC.

Installation of valve spring and valve:
1. Place the cylinder head on the ST.
  ST 4982607800 CYLINDER HEAD TABLE
2. Coat the stem of each valve with engine oil and insert the valve into valve guide.
  CAUTION: Use extreme care not to damage the oil lips when inserting the valve into valve guide.
3. Install the valve spring and retainer.
  NOTE: Be sure to install the valve springs with their close-coiled end facing the seat on the cylinder head.
4. Set the ST on valve spring.
  ST 499718000 VALVE SPRING REMOVER
  
  Fig 2: Installing ST 499718000 Valve Spring Remover
  Courtesy of SUBARU OF AMERICA, INC.
5. Compress the valve spring and fit the valve spring retainer key.
  
  Fig 3: Compressing Valve Spring And Fit Valve Spring Retainer Key
  Courtesy of SUBARU OF AMERICA, INC.
6. After installing, tap the valve spring retainers lightly with a plastic hammer for better seating.

RENDER: 1.0x

NO RELATED

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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.