Special tool
 | Valve Spring Compressor 303-361 (21155) |
 | Adapter for 303-361 303-361-04 (2115504) |
 | Adapter for 303-361 303-361-05 (2115505) |
 | Valve stem cracker installation tool 303-362 (21156) |
 | Valve stem seal pliers 303-508 (21211) |
| Name | Specification |
| Motor oil | WSS-M2C912-A1 |
Removal
1. Remove the cylinder head. For more information, refer to the Cylinder Head chapter in this section.
2.
NOTE: Insert wooden wedges into the combustion chamber recesses in the cylinder head so that the valves are held in place when removed.
Connect the special tool.
3.
NOTE: For subsequent assembly, arrange the valves in order.
Remove the valve springs.
- Compress the valve springs.
- Remove the crackers, spring plates and springs.
- Raise the cylinder head and remove the valves, working from underneath.
4. Remove the seals from the valve stems. Use special tool 303-508.
Installation
1.
NOTE: Follow the abrasive manufacturer's recommendations.
NOTE: Install in the position they were removed.
Regrind the valves using an abrasive tool.
2. Clean all components thoroughly to remove all traces of sealant and abrasive.
3. Lubricate the valve stems with engine oil and install the valves in place.
4.
CAUTION: Valve stem seals for intake valves are green and for exhaust valves are brown.
Install new valve stem seals.
- Apply engine oil to the valve stem.
- Close the groove on the valve stem with a bushing to install the seal on the valve stem.
- Place the valve stem seal onto the valve stem.
5. Install the valve springs and valve spring retainers.
- Compress the valve spring and remove the seal installation sleeve from the valve stem.
- Using the special tool, insert the valve stem crackers.
6. Disconnect the special tool.
7. Install the cylinder head. For more information, refer to the Cylinder Head chapter in this section.
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