Chevrolet 2003 Impala Owner's Manual page 335

{
CAUTION:
Never use oil or grease on studs or nuts. If
you do, the nuts might come loose. Your wheel
could fall off, causing a serious accident.
4. Install the compact spare tire.
5. Reinstall the wheel
nuts with the rounded
end of the nuts
toward the wheel.
Tighten each nut by
hand until the wheel is
held against the
hub.
6. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.
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