Fig. 7. Former and Current Valve Guides
A service replacement valve guide which is .016"
oversize on the outside diameter is also provided for
3. Install a new valve guide oil seal, (refer to Item 5
under Install Exhaust Valves and Springs).
Inspect Exhaust Valve Seat Insert
A new exhaust valve insert is pre-ground and only
needs to be checked for concentricity after installation.
Do not grind a new insert unless the runout exceeds
Fig. 6. Removing Exhaust Valve Guide
2. Support the cylinder head, bottom side up, on 3"
thick wood blocks.
3. Drive the valve guide out of the cylinder head with
valve guide remover J 267, as shown in Fig. 6.
Place the cylinder head right side up on the bed of an
arbor press and install the valve guide (Fig. 7) as
1. Insert the internally threaded end of the valve guide
in the valve guide installing tool J9530, and locate the
valve guide to the dimension of 1.530" above the top of
2. Position the valve guide squarely in the bore in the
cylinder head and press the installing tool gently to start
the guide in place (Fig. 8). Then press the guide in until
the tool contacts the cylinder head.
Do not use the valve guides as a
means of turning the cylinder head
Fig. 8. Installing Valve Guide
over or in handling the cylinder
Service replacement valve guides are completely finish
reamed during manufacture and, therefore, do not
require reaming after installation.