Valve Guide Seal: Service and Repair

REMOVAL






1. Using the valve spring compressor tool No. 09222-28000 and valve spring compressor holder tool No. 09222-29000, or equivalent, remove the retainer lock.
2. Next remove the spring retainer, valve spring, spring seat and valve.

NOTE: Keep these parts in order so they can be reinstalled in their original positions.






2. Remove the valve stem seals with pliers, and discard.

NOTE: Do not reuse the valve stem seals.

INSTALLATION

NOTE:
- Clean each part before assembly.
- Apply engine oil to sliding and rotating parts.

1. After installing the spring seat, fit the stem seal onto the valve guide.






2. Fit valve stem oil seal installer tool No. 09222-22000, or equivalent, to the seal then drive seal into position by lightly tapping the installer tool as shown in the illustration.

CAUTION:
- The seal is installed in the specified position by means of the special tool.
- Incorrect installation of the seal will adversely affect the lip I.D. and eccentricity, resulting in oil leaking down the valve guides.
- Therefore, when installing, be careful not to twist the seal. Do not reuse old stem seals.
3. Install remaining valve and spring components.