Hummer 2005 H2 Owner's Manual page 251

This will help prevent the knob from coming completely
loose and falling out.
6. Once the knob is
torqued, install the
cotter pin through the
hole in the end of the
knob's threaded shaft.
Tubular Side Steps
The driver's side of the vehicle is shown with the body
removed for clarity. To remove a step:
1. Remove the nuts and bolts attaching the step to
the vehicle.
2. Remove the step from the vehicle.
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