Oldsmobile Silhouette 2004 Owner's Manuals

The tools you will be using include the jack (A),
extension (B) and folding wrench (C).
The compact spare tire is located under the rear of the
vehicle. See ªCompact Spare Tireº later in this section
for more information about the compact spare.
To remove the compact spare tire, do the following:A. Hoist Shaft
B. Hoist Assembly
C. Retainer
D. Compact
Spare TireE. Extension
(Chisel End)
F. Folding Wrench
1. Attach the folding wrench to the extension and
insert the chisel end on an angle through the
hole in the rear bumper and into the hoist shaft.
2. Turn the folding wrench counterclockwise to lower
the compact spare tire to the ground. Continue to
turn the wrench so the compact spare tire can
be pulled out from under the vehicle.
5-79

3. To remove the compact spare tire from the cable,
tilt the retainer at the end of the cable so it can be
pulled up through the wheel opening.
4. If your vehicle is an AWD vehicle, after removing
the compact spare tire, turn the wrench clockwise
to raise the cable back up.On an AWD vehicle, you can not store a full-size
tire under the vehicle. It should be stowed inside
the vehicle by the cable provided. See ªStoring the
Flat Tire on an All-Wheel-Drive Vehicleº later in
this section.
If you have a front-wheel-drive vehicle, the hoist is
used to store a full-size or a ¯at road tire under
the vehicle. See ªStoring the Spare Tire and Toolsº
and ªStoring the Flat Tire on a Front-Wheel Drive
Vehicleº later in this section.
If the compact spare tire will not lower, check under the
vehicle to see if the tire is hanging loose and the
cable end and spring under the wheel plate are missing.
If so, the secondary latch system is engaged. See
ªSecondary Latch Systemº later in this section.
To continue changing the ¯at tire see ªRemoving the Flat
Tire and Installing the Spare Tireº later in this section.
5-80

Secondary Latch System
Your vehicle may have an underbody mounted tire hoist
assembly equipped with a secondary latch system. It
is designed to stop a tire from suddenly falling off your
vehicle if the cable holding the spare tire is damaged.
For the secondary latch to work, the tire must be stowed
with the valve stem pointing down.
Front-wheel-drive vehicles use the underbody tire hoist
assembly to store either the compact spare or a ¯at
road tire. See ªStoring a Flat or Spare Tire and Toolsº
later in this section for instructions on storing the
spare or ¯at tire correctly.
If your vehicle is equipped with AWD, the underbody
tire hoist assembly stores only the compact spare
tire. See ªStoring the Spare Tire and Toolsº later in
this section for instructions. To store a ¯at full-size
tire correctly, see ªStoring the Flat Tire on an
All-Wheel-Drive Vehicleº later in this section.{CAUTION:
Before beginning this procedure read all the
instructions. Failure to read and follow the
instructions could damage the hoist assembly
and you and others could get hurt. Read and
follow the instructions listed below.
To release the spare tire from the secondary latch,
do the following:
{CAUTION:
Someone standing too close during the
procedure could be injured by the jack.
If the spare tire does not slide off the jack
completely, make sure no one is behind you
or on either side of you as you pull the jack
out from the spare.
5-81

1. Place the jack under the vehicle, ahead of the rear
bumper. Position the center lift point of the jack
under the center of the compact spare tire.
2. Turn the folding wrench clockwise to raise the jack
until it lifts the secondary latch device under the
wheel plate.
3. Keep raising the jack until the compact spare tire
stops moving upward and is held ®rmly in place,
this lets you know that the secondary latch
has released.4. Lower the jack by turning the folding wrench
counterclockwise. Keep lowering the jack until the
compact spare tire is resting on the folding wrench.
5. Grasp the compact spare tire with both hands and
pull it out from under the vehicle.
6. Reach under the vehicle and remove the folding
wrench and jack.
Have the hoist assembly inspected as soon as you can.
You will not be able to store a spare or ¯at tire using
the hoist assembly until it has been repaired or replaced.
5-82

Removing the Wheel Covers
If the wheel has a center cap, use the handle of the
folding wrench to pry it off. Then, with the other end of
the folding wrench, loosen the nuts.
If your vehicle has the plastic bolt-on wheel covers,
loosen the bolts completely using the folding wrench,
and remove the wheel cover.
Removing the Flat Tire and Installing
the Spare Tire
1. Loosen the wheel
nuts Ð but do not
remove them Ð using
the folding wrench.
Turn the handle about
180 degrees, then
¯ip the handle back to
the starting position.
This avoids taking
the wrench off the
lug nut for each turn.
For wheels with a wheel lock key, use the wheel
lock key between the lock nut and folding wrench.
The key is supplied in the front passenger door
pocket.
Notice:If your vehicle has wheel locks and you
use an impact wrench to remove the wheel
nuts, you could damage the lock nut or wheel lock
key. Do not use an impact wrench to remove
the wheel nuts if your vehicle has wheel locks.
5-83

2. Near each wheel,
there is a notch in
the vehicle's body.
Position the jack and
raise the jack head
until it ®ts ®rmly into
the notch in the
vehicle's frame
nearest the ¯at tire.
Notice:If you use a jack to raise the vehicle
without positioning it correctly, you could damage
your vehicle. When raising your vehicle on a
jack, avoid contact with the rear axle control arms.
Do not raise the vehicle yet. Put the compact spare
tire near you.
{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.
5-84

3. Attach the folding
wrench to the jack,
and turn the wrench
clockwise to raise
the jack head a few
inches.
4. Raise the vehicle by turning the folding wrench
clockwise in the jack. Raise the vehicle far enough
off the ground so there is enough room for the
compact spare tire to ®t under the wheel well.
5. Remove all the wheel nuts and take off the ¯at tire.
6. 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.
5-85

7. Install the compact spare tire and 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.
8. Lower the vehicle by attaching the folding wheel
wrench to the jack and turning the wrench
counterclockwise. Lower the jack completely.9. Tighten the wheel nuts
®rmly in a crisscross
sequence, as shown.
{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.
5-86

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.
10. Do not try to put a wheel cover on the compact
spare tire. It will not ®t. Store the wheel cover
securely in the rear of the vehicle until you have
the ¯at tire repaired or replaced.
Notice:Wheel covers will not ®t on your compact
spare. If you try to put a wheel cover on the compact
spare, you could damage the cover or the spare.
Storing a Flat or Spare 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.
{CAUTION:
The underbody-mounted spare tire needs to
be stored with the valve stem pointing down.
If the spare tire is stored with the valve stem
pointing upwards, its secondary latch won't
work properly and the spare tire could loosen
and suddenly fall from your vehicle. If this
happened when your vehicle was being
driven, the tire might contact a person or
another vehicle, causing injury and, of
course, damage to itself as well. Be sure
the underbody-mounted spare tire is stored
with its valve stem pointing down.
5-87

Storing the Spare Tire and Tools
1. Lay the tire near the rear of the vehicle with the
valve stem down.
2. If the vehicle has aluminum wheels, remove the
small center cap by tapping the back of the cap
with the extension of the shaft.
3. Slide the cable retainer through the center of the
wheel and start to raise the tire.
Make sure the retainer is fully seated across the
underside of the wheel.
4. When the tire is almost in the stored position,
turn the tire so the valve is towards the rear of
the vehicle.
This will help when you check and maintain tire
pressure in the spare.
5. Raise the tire fully against the underside of the
vehicle. Continue turning the folding wrench
until you feel more than two clicks. This indicates
that the compact spare tire is secure and the
cable is tight. The spare tire hoist cannot be
overtightened.A. Push and Pull B. Turn Tire
6. Make sure the tire is stored securely. Push, pull,
and then try to turn the tire. If the tire moves, use
the folding wrench to tighten the cable.
Put back all tools as they were stored in the jack storage
compartment and put the compartment cover back on.
5-88