Inlet and Exhaust Valve Seat Inserts - Remove and Install
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| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 166-7441 | Valve Seat Extractor Tool | 1 |
| B | 1P-0510 | Driver Gp | 1 |
Start By:
- Remove the inlet valves and the exhaust valves.
Note: For information on the reusability of valve seats, refer to Guideline For Reusable Parts And Salvage Operation, SEBF8155.
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| NOTICE |
|---|
|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Use Tooling (A) to remove valve seat inserts (2) from cylinder head (1).
- Thoroughly clean the valve seat bores in the cylinder head.
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| |
| Illustration 1 | g01133493 |
Note: Do not machine the prefinished valve seat inserts in order to correct the valve stem projection. An excessive valve stem projection indicates that the valve seat insert is not seated or material was not cleaned from the bottom of the counterbore.
Note: If the valve seats are replaced, you must replace the valve guides.
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| NOTICE |
|---|
|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Lower the temperature of valve seat inserts (2).
- Use Tooling (B) to install valve seat inserts (2) in cylinder head (1).
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| |
| Illustration 2 | g01133494 |
End By:
- Install the inlet valves and the exhaust valves.
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