3
42 Workshop Manual, TSD3450E, Issue 1
2800
Valve seals
To renew Operation 3-8
Special requirements
Note: The valve seals can be removed with the cylinder head either fitted to or removed from the engine.
1 Remove the relevant valve spring assembly, Operation 3-6.
2 Remove the valve seal from the valve and valve guide.
3 Apply a thin film of clean engine oil to the new valve seal and slide the seal over the valve stem.
4 If the valve seal is to be fitted to a valve guide with the valve removed, fit the seal to the special tool,
GE50027. Insert the seal pin (part of the special tool GE50027) through the insertion tool, then enter the seal
pin into the bore of the valve guide.
5 Use the special tool, GE50027, and hand pressure only to push the valve seal into its position in the valve
guide.
6 Withdraw the tool and fit the valve spring assembly, Operation 3-6.
Special tools
Description Part number
Insertion tool, valve seal GE50027
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