Hummer 2004 H2 - Manual (Page 405)

Then use the ratchet and
spanner to tighten the nut
firmly. Try to move the
tire back and forth slightly
to be sure it is secure.
4. Reattach the wheel blocks (E) to the tire retainer
plate (C) and tighten the wing nut.
5. Reinstall the tire cover onto the spare or flat tire.
Follow these instructions to store the jack and tools:
1. Lower the jack completely.
2. Place the jack in the mounting bracket.
3. Tighten the wingnut (A)
until the jack is
securely fastened.
4. Place the tools in the bag.
5. Slide the securing clip over the bag and secure the
bag to the floor by tightening the wingnut (B) to the
stud coming out of the floor.
In order to reduce the potential of the jack
squeaking or rattling, you will need to preload the
jack so it fits tightly in the mounting bracket.
To do this, turn the u-hook/clevis at the top of the
jack clockwise until the jack is held tight in the
mounting bracket.
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