Chevrolet 2009 Cobalt, Owner'S Manual

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9. Remove all of the
wheel nuts and
flat tire.
{
CAUTION:
Rust or dirt on a wheel, or on the parts to which it is
fastened, can make wheel nuts become loose after
time. The wheel could come off and cause an
accident. When changing a wheel, remove any rust
or dirt from places where the wheel attaches to the
vehicle. In an emergency, use a cloth or a paper
towel to do this; but be sure to use a scraper or wire
brush later, if needed, to get all the rust or dirt off.
See Changing a Flat Tire on page 5-88.
10. Remove any rust or dirt
from the wheel bolts,
mounting surfaces, and
spare wheel.
11. Place the compact spare tire on the wheel-mounting
surface.
{
CAUTION:
Never use oil or grease on bolts or nuts because
the nuts might come loose. The vehicle’s wheel
could fall off, causing a crash.
12. 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.
5-96