Chevrolet TrailBlazer Owner's Manual page 415

10. Tighten each nut by hand until the wheel is held
against the hub. If a nut can't be turned by hand,
use the wheel wrench and see your dealer as soon
as possible.
9. Put the nuts on by
hand. Make sure the
rounded end is
toward the wheel.
11. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.
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