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Front Position
3. Rotate the ratchet clockwise. That will raise the jack
lift head a little.
Rear Position
4. Position jack under the vehicle as shown.
Getting under a vehicle when it is jacked up is
dangerous.
If the vehicle slips off the jack, you
could be badly injured or killed. Never get under
a vehicle when it is supported only
by a jack.
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A CAUTION: I
far enough off the ground so there is enough room
for the spare tire
to fit.
r
Raising your vehicle with the jack improperly
positioned can damage the vehicle and even make
the vehicle fall.
To avoid personal injury and
vehicle damage, be sure to fit the jack lift head into
5. Raise the vehicle by rotating the ratchet clockwise.
Make sure the
UP mark faces you. Raise the vehicle
6. Remove all the wheel
nuts, and
take off the
flat tire.
7. Remove any rust or dirt
from the wheel bolts,
mounting surfaces and
spare wheel.
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k, 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.
C WTION:
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.
i. , Replace the wheel nuts
with the rounded end of
the nuts toward the
wheel. Tighten each
wheel nut
by hand until
the wheel
is held against
the hub.
9. Lower the vehicle by rotating the jack handle
counterclockwise. Lower the jack completely.
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10. Tighten the nuts firmly
in a criss-cross
sequence as shown.
p
Rotate the wheel
wrench clockwise.
A 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
140 lb-ft
(190 Nm).
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.
Put the wheel cover back on, if you have one.
Remove any wheel blocks.
Remember that the jack, jacking equipment and tire
must be properly stored
in their original storage
position before
you begin driving again. The next
part will
show you how.
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Storing a Flat or Spare Tire and Tools
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.
1. Put the tire on the ground at the rear of the vehicle,
with the valve stem pointed down.
2. Pull the retaining bar through the center of the
wheel, making sure it is properly attached.
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3. Pull the wheel toward the rear of the vehicle keep the 4. Attach the ratchet, with the UP side facing you, to
cable tight. the extension.
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5. Put the flat end of the extension on an angle through
the hole in
the rear door frame, above the bumper.
Turn the ratchet clockwise until the tire is against the
underside
of the vehicle.
You will hear two “clicks” when the tire
is up all the
way. Try
to move the tire with your hands to make
sure
it is securely in place.
Return the jacking equipment
to the proper location.
Secure the items and replace the jack cover.
If You’re Stuck: In Sand, Mud,
Ice or Snow
What you don’t want to do when your vehicle is stuck is
to spin your wheels too fast. The method known as
“rocking” can help you get out when you’re stuck, but
you must use caution.
I
If you let your tires spin at high speed, they can
explode, and you or others could be injured. And,
the transmission or other parts
of the vehicle can
overheat. That could cause an engine
compartment fire or other damage. When you’re
stuck, spin the wheels as little as possible. Don’t
spin the wheels above
35 mph (55 kmh) as shown
on the speedometer.
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Rocking Your Vehicle To Get It Out
NOTICE: First, turn your steering wheel left and right. That will
clear the area around your front wheels. Then shift back
Spinning your wheels can destroy parts of your and forth between REVERSE (R) and a forward gear,
vehicle as well as the tires. If you spin the wheels
accelerator pedal while you shift, and press lightly on too fast while shifting your transmission back
spinning the wheels as little as possible. Release the
the accelerator pedal when the transmission is in gear.
and forth, you can destroy your transmission.
If that doesn’t get you out after a few tries, you may
’or information about using tire chains on your vehicle,
;ee “Tire Chains” in the Index. need
to be towed out. If you
do need to be towed out,
see “Towing Your Vehicle” in the Index.
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