1999 CHEVROLET LUMINA wheel

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5-23
Changing a Flat Tire
If a tire goes flat, avoid further tire and wheel damage
by driving slowly to a level place. Turn on your hazard
warning flashers.
CAUTION:
Changing a tire can cause an injury. The vehicle
can slip off the jack and roll over you or other
people. You and they could be badly injured.
Find a level place to change your tire. To help
prevent the vehicle from moving:
1. Set the parking brake firmly.
2. Put the shift lever in PARK (P).
3. Turn off the engine.
To be even more certain the vehicle won't move,
you can put blocks at the front and rear of the
tire farthest away from the one being changed.
That would be the tire on the other side of the
vehicle, at the opposite end.
The following steps will tell you how to use the jack and
change a tire.

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5-25
The tools you'll be using include the jack (A),
socket (B) and wheel wrench (C).If there is a wheel cover, loosen the nut caps with the
wheel wrench. They won't come off. Then, using the
flat end of the wheel wrench, pry along the edge of the
wheel cover until it comes off. Be careful; the edge may
be sharp. Don't try to remove the cover with your
bare hands.

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5-26
To remove a center cap, use the wrench to pry gently at
the notch. Don't use a tool that is narrower than the
wrench to pry at this notch.
If your vehicle has wheel nut caps, remove them using
the wheel wrench.
Removing the Flat Tire and Installing the
Spare Tire
1. Using the wheel wrench, loosen all the wheel nuts.
Don't remove them yet.
2. Turn the jack handle clockwise to raise the jack lift
head a few inches.

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5-29
5. Raise the vehicle by turning the jack handle
clockwise. Raise the vehicle far enough off the
ground for the spare tire to fit under the vehicle.
6. Remove all wheel nuts and take off the flat tire.
7. Remove any rust or dirt
from the wheel bolts,
mounting surfaces and
spare wheel.
8. Install the spare tire.
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. 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.

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5-30
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.
9. Replace 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.
10. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.

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5-31
11. Tighten the wheel nuts
firmly in a crisscross
sequence as shown.
CAUTION:
Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to become loose
and even come off. This could lead to an accident.
Be sure to use the correct wheel nuts. If you have
to replace them, be sure to get new GM original
equipment wheel nuts.
Stop somewhere as soon as you can and have
the nuts tightened with a torque wrench to
100 lb
-ft (140 N´m).
NOTICE:
Improperly tightened wheel nuts can lead to
brake pulsation and rotor damage. To avoid
expensive brake repairs, evenly tighten the wheel
nuts in the proper sequence and to the proper
torque specification.
Don't try to put a wheel cover on your compact spare
tire. It won't fit. Store the wheel cover in the trunk until
you have the flat tire repaired or replaced.
NOTICE:
Wheel covers won't fit on your compact spare.
If you try to put a wheel cover on your compact
spare, you could damage the cover or the spare.

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5-32 Storing the Flat Tire and Tools
CAUTION:
Storing a jack, a tire or other equipment in the
passenger compartment of the vehicle could
cause injury. In a sudden stop or collision, loose
equipment could strike someone. Store all these
in the proper place.
After you've put the compact spare tire on your vehicle,
you'll need to store the flat tire in your trunk. Use the
following procedure to secure the flat tire in the trunk.
Put the flat tire in the trunk so the side that faces out
when it is on the vehicle is facing down. The full
-size
tire will not fit down into the well. Place it so the front is
in the well and the rear is out of the well.
Put the bolt through one of the wheel nut holes, install
the retainer over the bolt, then install the wing nut. Put
the spacer and nut next to the tire in the well. Store the
cover as far forward as possible.
The compact spare is for temporary use only. Replace
the compact spare tire with a full
-size tire as soon as you
can. See ªCompact Spareº in the Index. See the storage
instructions label to replace your compact spare into
your trunk properly.
When you install the wheel cover on the full
-size tire,
tighten the nut caps to 5 lb
-ft (7 N´m).

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Compact Spare Tire
Although the compact spare tire was fully inflated when
your vehicle was new, it can lose air after a time.
Check the inflation pressure regularly. It should be
60 psi (420 kPa).
After installing the compact spare on your vehicle, you
should stop as soon as possible and make sure your spare
tire is correctly inflated. The compact spare is made to
perform well at speeds up to 65 mph (105 km/h) for
distances up to 3,000 miles (5 000 km), so you can finish
your trip and have your full
-size tire repaired or replaced
where you want. Of course, it's best to replace your spare
with a full
-size tire as soon as you can. Your spare will last
longer and be in good shape in case you need it again.
NOTICE:
When the compact spare is installed, don't take
your vehicle through an automatic car wash with
guide rails. The compact spare can get caught on
the rails. That can damage the tire and wheel,
and maybe other parts of your vehicle.
Don't use your compact spare on other vehicles.
And don't mix your compact spare tire or wheel with
other wheels or tires. They won't fit. Keep your spare
tire and its wheel together.
NOTICE:
Tire chains won't fit your compact spare. Using
them can damage your vehicle and can damage
the chains too. Don't use tire chains on your
compact spare.