Required Tools | |||
Tool | Part Number | Part Description | Qty |
A | 7M-3975 | Valve Guide Driver | 1 |
B | 5P-1729 | Valve Guide Bushing | 1 |
Start By:
- Remove the inlet valves and the exhaust valves.
NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Remove valve stem seal (3) from inlet valve guide (2).
Note: The valve stem seal is not installed on exhaust valve guide (1).
- Turn the cylinder head upside-down. Use Tooling (A) and a hammer to remove the valve guides from the cylinder head.
Illustration 1 | g01133624 |
Note: If you replace the valve guides, you must replace the valve seats with new valve seats.
Note: Inspect the valve guides. Do not use valve guides with obvious damage or with excessive wear. Check available specifications. Remove valve guides that are loose or damaged. Replace the valve guides with new components, if necessary. Correct any condition that could cause the original damage or wear.
NOTICE |
---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Coat the outside of the valve guide with clean engine oil prior to installation.
- Use Tooling (A) and Tooling (B) to install exhaust valve guide (1) and inlet valve guide (2) in the cylinder head. The valve guides must extend
26.0 ± 0.5. mm (1.02 ± 0.020 inch) above the surface of the cylinder head. - Install new valve stem seal (3) on inlet valve guide (2).
Note: Valve stem seals are not installed on exhaust valve guide (1).
Note: Use new valve guides for assembly.
Illustration 2 | g01133624 |
End By:
- Install the inlet valves and the exhaust valves.