Chevrolet 2010 Cobalt, Owner'S Manual

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WARNING:
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 6 ‑ 92 .
10. Place the compact spare tire on the
wheel-mounting surface.
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WARNING:
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.
11. Remove any rust or dirt
from the wheel bolts,
mounting surfaces,
and spare wheel.
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.
12. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.
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