Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

6-92 Marine/Industrial 4.3L Engine
63219
Caution: Refer to Safety Glasses Caution in Cautions and
Notices.
Important: The camshaft bearings vary in size. When ordering the
new camshaft bearings, be sure to order the correct camshaft
bearings for the application to be serviced.
Always install the camshaft outer bearings #1 and #4 first. The
camshaft outer bearings serve as a guide for the J 33049 and help
center the camshaft inner bearings during the installation process.
3. Install the NEW camshaft outer bearings #4 and #1.
3.1. Install the NEW camshaft outer bearing #4 onto the
J33049 expander assembly.
3.2. Tighten the J 33049 expander assembly nut until snug.
3.3. Align the lubrication hole of the camshaft outer bearing
#4 above the 3 o’clock position or the 9 o’clock position
of the camshaft outer bearing bore #4 at the rear of the
engine block.
3.4. Drive the camshaft outer bearing #4 into the camshaft
outer bearing bore #4 at the rear of the engine block.
3.5. Loosen the J 33049 expander assembly nut.
3.6. Remove the camshaft outer bearing #4 from the
J33049 expander assembly.
3.7. Install the NEW camshaft outer bearing #1 onto the
J33049 expander assembly.
3.8. Tighten the J 33049 expander assembly nut until snug.
3.9. Align the lubrication hole of the camshaft outer bearing
#1 above the 3 o’clock position or the 9 o’clock position
of the camshaft outer bearing bore #1 at the front of
the engine block.
3.10. Drive the camshaft outer bearing #1 into the camshaft
outer bearing bore #1 at the front of the engine block.
3.11. Loosen the J 33049 expander assembly nut.
3.12. Carefully slide the J 33049 into the engine block until
the J 33049 expander assembly is positioned
between the camshaft inner bearing bores.
2000 Marine/Industrial