2010 BUICK LUCERNE Owner's Manual

WARNING: (Continued)
3. Turn off the engine and do not restart whilethe vehicle is raised.
4. Do not allow passengers to remain in the vehicle.
To be even more certain the vehicle will not move,
you should 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, at the
opposite end of the vehicle.
When the vehicle has a flat tire (B), use the following
example as a guide to assist you in the placement of
wheel blocks (A).
A. Wheel Block
B. Flat Tire
The following information explains how to use the jack
and change a tire.
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Removing the Spare Tire and Tools
The equipment you will need is located in the trunk.1. Open the trunk. See Trunk on page 3‑12.
2. Turn the center retainer
counterclockwise to
remove it.
3. Lift and remove the compact spare tire cover.
4. Turn the retainer that secures the jack and wheel wrench counterclockwise and remove the washer.
5. Remove the jack container with the jack and the wheel wrench.
6. Remove the spare tire from the vehicle. See Compact Spare Tire on page 6‑100.
6-92

The tools you will be using include the jack (A) and the
wheel wrench (B).
Removing the Flat Tire and Installing
the Spare Tire
1. Do a safety check before proceeding. SeeChanging a Flat Tire on page 6‑90.
2. Turn the wheel wrench counterclockwise toloosen all the wheel nuts, but do no remove
them yet.
6-93

3. Turn the jack handle counterclockwise to lower thejack lift head until it fits under the vehicle.
Turn the jack handle clockwise to raise the jack
lift head.
{WARNING:
Raising your vehicle with the jack improperly
positioned can damage the vehicle and even
make the vehicle fall. To help avoid personal
injury and vehicle damage, be sure to fit the jack
lift head into the proper location before raising the
vehicle.
Notice: If you position the jack under the rocker
molding and attempt to raise the vehicle, you could
break the molding and/or cause other damage to
your vehicle. Always position the jack so that when
the jack head is raised, it will fit firmly in the notch
located inboard from the rocker molding.
4. Put the jack into the flange in the frame which is located near each wheel well. The flanges are
accessible through openings in the plastic trim at
the bottom of the vehicle. The front opening is
about 8 inches (20 cm) back from the front wheel
well. The rear opening is about 3 inches (8 cm)
forward from the rear wheel well.
6-94

5. Position the jack and raise the jack head until it fitsfirmly on the ridge in the vehicle's frame nearest
the flat tire. Do not raise the vehicle yet.
6. Put the compact spare tire near the flat tire.
{WARNING:
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.
7. Turn the jack handle clockwise to raise the vehicle. Raise the vehicle far enough off the ground for the
compact spare tire to fit under the vehicle.
6-95

8. Remove all wheel nutsand remove the
flat tire.
{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 6‑90
.
9. Remove any rust or dirt from the wheel bolts,
mounting surfaces and
spare wheel.
10. Install the compact spare tire.
{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. Put the wheel nuts back on with the rounded end of the nuts toward the wheel. Turn each nut
clockwise by hand until the wheel is held against
the hub.
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12. Lower the vehicle by turning the jack handlecounterclockwise. Lower the jack completely.
{WARNING:
Wheel nuts that are improperly or incorrectly
tightened can cause the wheels to become loose
or come off. The wheel nuts should be tightened
with a torque wrench to the proper torque
specification after replacing. Follow the torque
(Continued)
WARNING: (Continued)
specification supplied by the aftermarket
manufacturer when using accessory locking wheel
nuts. SeeCapacities and Specifications
on
page 6‑118
for original equipment wheel nut
torque specifications.
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. See Capacities and
Specifications
on page 6‑118for the wheel nut
torque specification.
13. Tighten the wheel nuts firmly in a crisscross
sequence as shown.
6-97

Storing a Flat or Spare Tire and
Tools
{WARNING:
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 have put the compact spare tire on your
vehicle, you need to store the flat tire in your trunk.
Store the flat tire as far forward in the trunk as possible.
Store the jack and wheel wrench in their compartment
in the trunk. For storage, the jack lift head must be
raised until the screw end is even with the edge of
the jack. To store the compact spare tire and tools:
6-98