PONTIAC G8 2008 Owners Manual

11. Unplug the air compressor
accessory plug (B) from the
accessory power outlet in
the vehicle.
12. Turn the sealant/air hose (E)
counterclockwise to remove.
13. Replace the tire valve
stem cap.
14. Stow the sealant/air hose (E)
and air compressor accessory
plug (B) in their original
locations.
15. If the at tire was able to be
inated to the recommended
ination pressure, remove
the maximum speed label from
the sealant canister and
place it in a highly visible
location.The maximum speed label
reminds you to drive cautiously
and not to exceed 55 mph
(90 km/h) until you have
the damaged tire inspected and
repaired.
{CAUTION
Storing the tire sealant and
compressor kit 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 the tire sealant
and compressor kit in its
original location.
16. Return the equipment to its
original storage location in
the trunk.
17. Immediately drive the vehicle
5 miles (8 km) to distribute the
sealant evenly in the tire.18. Stop at a safe location and
check the tire pressure, refer
to Steps 1 through 9 under
“Using the Tire Sealant
and Compressor Kit without
Sealant to Inate an
Underinated Tire” later in this
section.
If the tire pressure has fallen
more then 10 psi (68 kPa),
below the recommended
ination pressure, stop driving
the vehicle. The tire is too
severely damaged and the tire
sealant and compressor
cannot seal the tire. See
Roadside Assistance Program
on page 12-6if you need
assistance.
If the tire pressure has not
dropped more than 10 psi
(68 kPa) from the recommended
ination pressure, inate the tire
back up to the recommended
ination pressure.
Vehicle Service and Care 9-67
2008 - Pontiac G8 Owner Manual

19. Wipe off any sealant from the
wheel, tire or vehicle.
20. Dispose of the used sealant
canister at a local dealer/retailer
or in accordance with local
state codes and practices.
After using the sealant canister,
replace it with a new canister
available from your
dealer/retailer.
This is a temporary repair. Take
the vehicle to your dealer/retailer
to have the tire repaired or
replaced as soon as possible.Using the Air Compressor
without Sealant to Inate an
Underinated Tire
To use the air compressor to inate
a tire with air only and not sealant:
A. Air Compressor Accessory Plug
B. Air Compressor
C. Sealant Canister
D. Sealant/Air Hose
E. Air-only Hose
F. Pressure Gage
G. On/Off SwitchDo a safety check before
proceeding. SeeIf a Tire Goes Flat
on page 9-62.
To use the air compressor to inate
a tire with air only and not sealant:
1. Lift the lever and pull the air-only
hose (E) from the bottom of
the kit.
2. Remove the tire valve stem cap
from the at tire by turning it
counterclockwise.
3. Push the air-only hose (E) onto
the tire valve stem and push
the lever down to secure in place.
4. Plug the air compressor
accessory plug (A) into an
accessory power outlet in the
vehicle. SeeAccessory Power
Outlet(s) on page 4-9for
more information.
9-68 Vehicle Service and Care
2008 - Pontiac G8 Owner Manual

{CAUTION
Idling the engine in a closed-in
place or with the climate
control system off can cause
deadly carbon monoxide (CO).
SeeEngine Exhaust on
page 8-12.
5. Start the vehicle. The vehicle
must be running while using
the air compressor.
{CAUTION
Overination could cause the
tire to rupture, and you or
others could be injured. Be
sure to read the inator
instructions, and inate the tire
to its recommended pressure.
Do not exceed 36 psi (248 kPa).6. Push the On/Off switch (G) to the
I (on) position.
Check the pressure gage (F). If
there is not a pressure reading
while the compressor is running,
check for leaks at the connection
between the hose and the tire
valve stem.
7. Inate the tire up to the
recommended ination pressure
using the air pressure gage (F)
on the top of the unit. See
Inflation - Tire Pressure on
page 9-46.
The pressure gage (F) reads
slightly high while the compressor
is on. Turn the compressor off to
get an accurate reading. The
compressor may be turned on
and off until the correct pressure
is reached.
8. Push the On/Off switch (G) to the
O (off) position.
Be careful while handling the tire
sealant and compressor kit as
they could be hot after usage.9. Unplug the air compressor
accessory plug (A) from the
accessory power outlet in the
vehicle and stow it in its original
location.
10. Disconnect the air-only hose (E)
from the tire valve stem and
stow it back in its original
location.
11. Replace the tire valve stem cap.
{CAUTION
Storing the tire sealant and
compressor kit 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 the tire sealant
and compressor kit in its
original location.
12. Place the equipment in the
original location in the trunk
of your vehicle.
Vehicle Service and Care 9-69
2008 - Pontiac G8 Owner Manual

Removal and Installation of
the Sealant Canister
To remove the sealant canister:
1. Unlock the air-only hose from the
sealant canister by pulling up on
the lever.
2. Pull the air-only hose from the
sealant canister.
3. Unwrap the sealant/air hose from
the compressor.4. Turn the sealant canister so the
inator lling hose is aligned
with the slot in the compressor.
5. Lift the sealant canister from the
compressor and replace with a
new sealant canister. Dispose of
the sealant canister at a local
dealer/retailer or in accordance
with local state codes and
practices. Replace it with a new
canister, available form your
dealer/retailer.To install a new sealant canister:
1. Align the sealant/air hose
with the slot in the air
compressor.
2. Push the sealant canister down
and turn it clockwise.
3. Wrap the sealant/air hose around
the air compressor channel to
stow it in its original location.
4. Push the air compressor inator
hose onto the sealant canister
inlet and push the lever down.
9-70 Vehicle Service and Care
2008 - Pontiac G8 Owner Manual

Changing a Flat Tire
(V6 Engine)
If a tire goes at, avoid further tire
and wheel damage by driving slowly
to a level place. Turn on the
hazard warning ashers.
{CAUTION
Changing a tire can be
dangerous. The vehicle can slip
off the jack and roll over or fall
on you or other people. You
and they could be badly injured
or even killed. Find a level
place to change your tire. To
help prevent the vehicle from
moving:
1. Set the parking brake
rmly.
2. Put the shift lever in
PARK (P).
(Continued)
CAUTION (Continued)
3. Turn off the engine and do
not restart while the
vehicle is raised.
4. Do not allow passengers to
remain in the vehicle.
To be certain the vehicle will
not move, 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 you have a at tire, use the
following example as a guide to
assist you in the placement of wheel
blocks.
Vehicle Service and Care 9-71
2008 - Pontiac G8 Owner Manual

Removing the Spare Tire
and Tools
Spare Tire
The equipment you will need is
located in the rear storage area.
1. Open the trunk. SeeTrunk
on page 2-10.
2. Pull the handle of the spare
wheel cover strap straight up and
secure to the trunk lid.3. Turn the retainer nut
counterclockwise and remove the
spare tire.
4. Place the spare tire next to the
tire being changed.
5. The jack and tools are stored
below the spare tire.
9-72 Vehicle Service and Care
2008 - Pontiac G8 Owner Manual

Tools
A. Jack Handle
B. Nut Cap Tool
C. Wheel Wrench
D. Jack
1. Turn the second retainer nut
counterclockwise and remove
the panel.
2. Remove the tools from the tool
container.
3. Place the tools next to the tire
being changed.
Removing the Flat Tire
and Installing the
Spare Tire
1. If your vehicle has wheel bolt
caps, remove the caps. Store
the caps with the wheel cover.
2. Use the fully extended wheel
wrench to loosen all the
wheel nuts one-half turn
counterclockwise. Do not
remove them yet.
Vehicle Service and Care 9-73
2008 - Pontiac G8 Owner Manual

Notice:Make sure that the jack
lift head is in the correct
position or you may damage your
vehicle. The repairs would not
be covered by your warranty.
3. Position the jack lift head at the
jack location nearest the at
tire. The location is indicated by
a mark on the bottom edge
of the vehicle. The jack must not
be used in any other positions.
Raise the jack until it engages
with the jacking point.4. 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. Fit the jack handle onto the jack
by sliding the hook through the
end of the jack.
9-74 Vehicle Service and Care
2008 - Pontiac G8 Owner Manual

The jack handle must be
unfolded at a right angle before it
is used.
6. Raise the vehicle by turning the
jack handle clockwise 180°.7. Pull the jack handle towards you.
8. Repeat Steps 7 and 8 until the
vehicle is far enough off the
ground so there is enough room
for the compact spare tire to
t under the vehicle.9. Remove all of the wheel nuts
and place them in a dry, clean
place to avoid getting dirt in
the threads.
Vehicle Service and Care 9-75
2008 - Pontiac G8 Owner Manual

{CAUTION
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 you
change a wheel, remove any
rust or dirt from 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 needed, to get all the
rust or dirt off. SeeChanging a
Flat Tire (V6 Engine) on
page 9-71.10. Remove any rust or dirt from
the wheel bolts, mounting
surfaces and spare wheel.
11. Place the compact spare tire on
the wheel-mounting surface.
{CAUTION
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.
12. Reinstall the wheel nuts with
the rounded end of the nuts
toward the wheel. Tighten each
nut as much as possible
using the wheel wrench until
the wheel is held rmly against
the hub.
Use your free hand to prevent
the wheel from turning while
you are tightening.
13. Lower the vehicle by turning the
jack handle counterclockwise.
Lower the jack completely.
9-76 Vehicle Service and Care
2008 - Pontiac G8 Owner Manual