Removal And Installation: Removal
- Disassemble the cylinder head to remove the valves. Refer to CYLINDER HEAD, DISASSEMBLY AND ASSEMBLY .
- Remove the valve guides using the 1871008500 tool (1).
- Measure the valve guide bore and check that it is within the specified values. Refer to SPECIFICATIONS .
- The valve guides are supplied by Spare Parts in oversized outside diameters of +0.05 mm, +0.10 mm and +0.25 mm.
- Check the measurement of the new valve guide.
- If necessary, ream the valve guide bore to the next oversize diameter.
- Make a note of the measurement of the valve guide bore after reaming.
- Verify that the interference fit between the valve guide and the valve guide bore in the cylinder head is within the specified values. Refer to SPECIFICATIONS .