Chevrolet 2004 Classic, Owner'S Manual, Page: 276 / 348

8. Remove any rust or dirt
from the wheel bolts,
mounting surfaces
and spare wheel.
{
CAUTION:
Rust or dirt on the wheel, or on the parts to
which it is fastened, can make the wheel nuts
become loose after a time. The wheel could
come off and cause an accident.
CAUTION: (Continued)
CAUTION: (Continued)
When you change a wheel, remove any rust or
dirt from the places where the wheel attaches
to the vehicle. In an emergency, you can use a
cloth or a paper towel to do this; but be sure
to use a scraper or wire brush later, if you
need to, to get all the rust or dirt off.
{
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.
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