2003 CADILLAC DEVILLE Owners Manual

3. Unscrew the wing nuts to remove the container that
holds the wrench and jack.
4. Remove the wheel wrench, jack and compact spare
tire from the trunk. See
Compact Spare Tire on
page 5-83for more information about the compact
spare tire.The tools you'll be using include the jack (A) and the
wheel wrench (B).
5-74

Removing the Wheel Covers
For models having aluminum wheels with a center
wheel cover, use the ¯at end of the wheel wrench to
gently pry the wheel covers off. Be careful not to scratch
the aluminum wheel edge and don't try to remove it
with your hands.
For models having wheel nuts exposed, use the wheel
wrench to remove the wheel nut covers.
Removing the Flat Tire and Installing
the Spare Tire
1. Using the wheel wrench, loosen all the wheel nuts.
Don't remove them yet. Models with Center Wheel Cover
5-75

2. Find the jacking location from the diagrams above
and corresponding hoisting notches located in the
plastic molding. The front location is 8.5 inches
(21 cm) from the rear edge of the front wheel well,
and the rear location is 3.5 inches (8.5 cm) from
the front edge of the rear wheel well.
The notches may also be labeled ªJACKº with an
arrow pointing to the jacking location on the vehicle.
5-76

{CAUTION:
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.
{CAUTION:
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 ®t the
jack lift head into the proper location before
raising the vehicle.
3. Turn the jack handle counterclockwise to lower the
jack lift head until the jack ®ts under the vehicle.
4. Raise the jack until the metal ¯ange ®ts ®rmly into
the channel of the jack head.
5. Put the compact spare tire near you.6. Raise the vehicle by turning the jack handle
clockwise. Raise the vehicle far enough off the
ground for the compact spare tire to ®t under the
vehicle.
7. Remove all wheel nuts and take off the ¯at tire.
5-77

8. Remove any rust or dirt
from the wheel bolts,
mounting surfaces
and spare wheel.
{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.
{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. Place the compact
spare tire on the
wheel-mounting
surface.
5-78

10. Put the wheel nuts back
on with the rounded
end of the nuts toward
the wheel. Tighten each
nut by hand until the
wheel is held against
the hub.
11. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.
5-79

12. Tighten the wheel nuts
®rmly in a crisscross
sequence as shown.
13. If your vehicle is equipped with wheel nut covers,
screw them on with your ®ngers, then tighten
one-quarter turn with the wheel wrench.
{CAUTION:
Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to come 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 the
proper torque speci®cation. See ªCapacities
and Speci®cationsº in the Index for wheel nut
torque speci®cation.
5-80

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 speci®cation. See ªCapacities and
Speci®cationsº in the index for the wheel nut torque
speci®cation.
Don't try to put a wheel cover on your compact spare
tire. It won't ®t. Store the wheel cover and lug nut caps in
the trunk until you have the ¯at tire repaired or
replaced.
Notice:Wheel covers won't ®t on your compact
spare. If you try to put a wheel cover on your
compact spare, you could damage the cover or
the spare.
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 ¯at tire in your trunk.
Store the ¯at 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 must be raised
until the screw end is ¯ush with the edge of the jack.
5-81