Balance Shaft Bearing And/Or Bushing Removal - GMC Powertrain 4.3 L Service Manual

Engine
4. Install the NEW camshaft inner bearings #3 and #2.
4.1. Install the NEW camshaft inner bearing #3 onto the
J33049 expander assembly.
4.2. Tighten the J 33049 expander assembly nut until snug.
4.3. Align the lubrication hole of the camshaft inner bearing
#3 above the 3 o'clock position or the 9 o'clock position
of the camshaft inner bearing bore #3 of the
engine block.
4.4. Push the J 33049 guide cone into the camshaft front
bearing bore #1 in order to align the J 33049.
4.5. Drive the camshaft inner bearing #3 into the camshaft
inner bearing bore #3 of the engine block.
4.6. Loosen the J 33049 expander assembly nut.
4.7. Carefully slide the J 33049 until the J 33049 expander
assembly is positioned between the camshaft inner
bearing bore #2 and the camshaft outer bearing bore
#1.
4.8. Install the NEW camshaft inner bearing #2 onto the
J33049 expander assembly.
4.9. Tighten the J 33049 expander assembly nut until
snug.
4.10. Align the lubrication hole of the camshaft inner bearing
#2 above the 3 o'clock position or the 9 o'clock
position of the camshaft inner bearing bore #2 of the
engine block.
4.11. Push the J 33049 guide cone into the camshaft front
bearing bore #1 in order to align the J 33049.
4.12. Drive the camshaft inner bearing #2 into the camshaft
inner bearing bore #2 of the engine block.
4.13. Loosen the J 33049 expander assembly nut.
5. Carefully remove the J 33049 from the engine block.

Balance Shaft Bearing and/or Bushing Removal

Tools Required
J 26941 Bushing/Bearing Remover
J 38834 Balance Shaft Service Kit
Caution: Refer to Safety Glasses Caution in Cautions and
Notices.
1. Use the J 38834 and the J 26941 in order to remove the
balance shaft rear bearing.
1.1. Install the J 26941 legs behind the balance shaft rear
bearing and secure.
1.2. Install the J 38834-1 with the short threaded end
through the balance shaft bore in the front of the
engine block.
1.3. Install the J 38834-1 into the J 26941.
Marine/Industrial 4.3L 6-93
2000 Marine/Industrial
4985
340081