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 Removing
(
Refitting
)
1. Remove the valve guides (1a) using the tool (1b).
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Refitting
(
Removing
)
- Measure the valve guide bore and check that it is within the prescribed values.
- If necessary, ream the valve seat. - Check the measurement of the new valve guide. - Make a note of the measurement of the valve seat after reaming. - Valve guides are available as spares with the following diameters.
- The interference between the valve guide and the seat in the cylinder head is as follows.
- Before fitting the new valve guides the cylinder head must be heated to a temperature of around 100°C. 1. Fit the new valve guides (1a) using the tools (1b).
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- If the valve guides have become slightly distorted during fitting, ream the inner surface using a suitable sized diameter reamer. - Measure the valve guide inner diameter after refacing and check the clearance with the valve; check that it is within the prescribed values.
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