Engine Mechanical (H4DOTC): Overhaul Subaru Forester SH

DISASSEMBLY

1. Remove the valve lifter.
2. Place the cylinder head on ST1. ST1 498267600 CYLINDER HEAD TABLE
3. Using ST2, compress the valve spring and remove the valve spring retainer key. Remove each valve and valve spring.

ST2 499718000 VALVE SPRING REMOVER

Note. Mark each valve to prevent confusion. Pay careful attention not to damage the lips of intake valve oil seals and exhaust valve oil seals. Keep all the removed parts in order for re-installing in their original positions. For removal and installation procedures of the valve guide, intake valve oil seal and exhaust valve oil seal, refer to "Inspection". Refer to VALVE GUIDE , INSPECTION, Cylinder Head . Refer to INTAKE AND EXHAUST VALVE OIL SEAL , INSPECTION, Cylinder Head .

Scheme 423

Scheme 424

1. Install the valve spring and valve. Coat the stem of each valve with engine oil and insert the valve into the valve guide. NOTE: When inserting the valve into valve guide, use special care not to damage the oil seal lip. Set the cylinder head on ST1. ST1 498267600 CYLINDER HEAD TABLE Install the valve spring and retainer. NOTE: Be sure to install the valve spring with its close-coiled end facing the seat on cylinder head. Set the ST2 on valve spring. ST2 499718000 VALVE SPRING REMOVER Compress the valve spring and fit the valve spring retainer key. After installing, tap the valve spring retainers lightly with a plastic hammer for better seating.
2. Apply oil to the surfaces of the valve lifter.
3. Install the valve lifter.