Page 240
REPAIR INSTRUCTIONS, PART 1
2. Use a depth gauge to check valve guide
extension (Figure 257).
257
Figure 257 — Checking Valve Guide Extension
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.
1. Insert valve guide remover J 37482 into the
valve guide from the deck side of the
cylinder head (Figure 258).
258
Figure 258 — Valve Guide Remover J 37482
2. Press out the old valve guides from the
cylinder head.
3. Check the valve guide bores 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 46549.
2. Oil the OD of the guide before installation.
3. Using tool J 46549, press the guide into its
bore from 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 257.
1. Valve Guide Remover
J 37482
2. Cylinder Head
5-111.bk Page 240 Monday, July 10, 2006 2:26 PM
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