Valve Guide Bushings

REMOVE OR DISCONNECT

- Tool Required - J 37133 Valve Guide Bushing Remover/Installer, or equivalent.

1. Gradually heat cylinder head to 80 to 100°C (176 to 212°F). Heat cylinder uniformly to prevent the head from distorting during heating.
2. Using a valve guide bushing remover, tap out valve guide bushing.

INSTALL OR CONNECT

- Tools Required:
J 38277 Adapter
J 38342 Reamer

1. Select a new valve guide bushing. If the valve guide bushing bore has a diameter of 11.000 to 11.027 mm (0.4331 to 0.4341 inch), use a new standard size valve guide bushing. If the bore has a diameter of 11.050 to 11.077 mm (0.4350 to 0.4361 inch), use a new oversize bushing.
2. Gradually heat cylinder head to 80 to 100°C (176 to 212°F). Heat cylinder uniformly to prevent the head from distorting during heating.
3. Using a valve guide bushing installer and adapter, drive in the new valve guide bushing, leaving 12.7 to 13.01 mm (0.500 to 0.516 inch) protruding from the cylinder head.
4. Using a reamer, ream the valve guide bushing to obtain the proper oil clearance between the valve and the bushing.