Intake And Exhaust Valve Oil Seal

WARNING: This page is about a different car, the 2006 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.

In the following case, pinch and remove the oil seal from valve using pliers, and then replace it with a new part.

When the lip is damaged.
When the spring is out of the specified position.
When readjusting the surfaces of intake valve and valve sheet.
When replacing the intake valve guide.

Set the cylinder head on ST1.
Press-fit the oil seal to the specified dimension indicated in the figure using ST2.

ST1 18250AA010 CYLINDER HEAD TABLE

ST2 499585500 VALVE OIL SEAL GUIDE

NOTE:

Apply engine oil to oil seal before press-fitting.
When press-fitting the oil seal, do not use a hammer or strike in.

Fig 1: Setting Cylinder Head On ST1