Intake And Exhaust Valve Oil Seal

Replace the oil seal with a new one, if the lip is damaged or spring out of place, or when the surfaces of intake valve and valve seat are reconditioned or intake valve guide is replaced.

1. Place the cylinder head on ST1.
2. Press in the oil seal to the specified dimension indicated in the figure by using ST2.
   1. ST1 498267600 CYLINDER HEAD TABLE
   2. ST2 498857100 VALVE OIL SEAL GUIDE
   CAUTION:

   • Apply engine oil to oil seal before press-fit.
   • When press-fitting oil seal, do not use hammer or strike in.
   • Differentiate between the intake valve oil seal and exhaust valve oil seal by noting their difference in color.

   1. Color of rubber part: 
   2. Intake [Black] 
   3. Exhaust [Brown] 
   4. Color of spring part: 
   5. Intake [White] 
   6. Exhaust [White] 
   Fig 1: Installing Valve Oil Seal

   Courtesy of SUBARU OF AMERICA, INC.