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Page 190
REPAIR INSTRUCTIONS
When reconditioning the cylinder head, it is
recommended that all valve guides be replaced.
VALVE GUIDE REMOVAL
Clean the exhaust valve guide OD (shoulder)
before removal. With the guide removed, use a
rotary brush to clean the exhaust valve guide
bore and prevent scoring.
Refer to Figure 189.
1. Insert valve guide remover J 37482 (1) into
the valve guide from the deck side of the
cylinder head (2).
189
Figure 189 — Valve Guide Remover J 37482
2. Press out the old valve guides from the
cylinder head.
3. Check the valve guide bore in the cylinder
head for wear, cracks or other damage.
Clean the surfaces thoroughly and check the
ID measurement.
VALVE GUIDE INSTALLATION
1. Insert a new valve guide into the valve guide
installer J 37809.
2. Oil the OD of the guide before installation.
3. Using tool J 37809, press the guide into the
top of the cylinder head.
4. Using the depth gauge, check the extension
of the guide from the valve spring seat to the
top end of the guide. Refer back to
Figure 188.
5. Using valve guide reamer J 37481 (1), ream
the valve guide (2) to dimension as shown in
Figure 190.
190
Figure 190 — Reaming Valve Guide
1. Valve Guide Remover
J 37482
2. Cylinder Head
1. Valve Guide Reamer
J 37481
2. Valve Guide
5_106_00.bk Page 190 Friday, August 4, 2000 11:17 AM
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