H2 V8-6.2L (2008)
Hinge assembly-If the hinge assembly needs to be greased, due to removal, the plug needs to be removed and lubricated as stated below using GM P/N
89022180 (Canadian P/N 89022181).
1. Remove the M6 set screw (4).
2. Remove the 1/4 inch plug above the set screw.
3. Install a grease (zerk) fitting (3) where the 1/4 inch plug was, apply grease, rotate the swing arm to ensure a uniform coating over the internal
bushing.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice) .
4. Once the grease is seen exiting the set screw hole: stop, reinstall the set screw (4).
Tighten the set screw to 9 N.m (80 lb in).
5. Again, grease via the zerk fitting (3), continue articulating the swing arm until grease is just visible on the casting grease seal (2). DO NOT
ALLOW THE SWING ARM TO LIFT DURING LUBRICATION.
If the swing arm lifts, remove the set screw (4) and apply downward pressure while rotating the swing arm. Continue until the swing arm makes
contact with the casting.
6. The hinge is now primed with the correct amount of grease.
7. Remove the zerk fitting (3) and reinstall the 1/4 inch plug.
8. Reinstall the set screw (4).
Tighten the set screw and plug to 9 N.m (80 lb in).
Hinge assembly-Visually check the grease seal (2) for damage, replace as required.
Hinge assembly-Check the hard stop pad (1), replace as required.
