2007 GMC ACADIA Owner's Manual

If a Tire Goes Flat
It is unusual for a tire to blowout while you are
driving, especially if you maintain your vehicle’s
tires properly. If air goes out of a tire, it is
much more likely to leak out slowly. But if you
should ever have a blowout, here are a few tips
about what to expect and what to do:
If a front tire fails, the at tire will create a drag
that pulls the vehicle toward that side. Take your
foot off the accelerator pedal and grip the
steering wheel rmly. Steer to maintain lane
position, and then gently brake to a stop well out
of the traffic lane.
A rear blowout, particularly on a curve, acts much
like a skid and may require the same correction
you would use in a skid. In any rear blowout
remove your foot from the accelerator pedal. Get
the vehicle under control by steering the way
you want the vehicle to go. It may be very bumpy
and noisy, but you can still steer. Gently brake
to a stop, well off the road if possible.{CAUTION:
Lifting a vehicle and getting under it to do
maintenance or repairs is dangerous
without the appropriate safety equipment
and training. The jack provided with your
vehicle is designed only for changing a
at tire. If it is used for anything else, you
or others could be badly injured or killed
if the vehicle slips off the jack. Use the
jack provided with your vehicle only for
changing a at tire.
If a tire goes at, the next part shows how to use the
jacking equipment to change a at tire safely.
457

Changing a Flat Tire
If a tire goes at, avoid further tire and wheel
damage by driving slowly to a level place. Turn on
your vehicle’s hazard warning ashers. See
Hazard Warning Flashers on page 172for more
information.
{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).
CAUTION: (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 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 your vehicle has a at tire, use the following
example as a guide to assist you in the placement
of wheel blocks.
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The following information will tell you next how to
use the jack and change a tire.
Removing the Spare Tire and Tools
The tools needed to remove the spare tire are
located in the storage compartment on the driver
side, at the rear of the vehicle.
1.Open the jack storage compartment by squeezing
down on the latch tab and pulling the cover off.
A.Tool Bag
B.Wing Bolt
C.Jack
2.Remove the wing bolt (B) by turning it
counterclockwise.
3.Push the jack (C) up out of the holding bracket.
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4. Turn the jack on its side, with the bottom
facing toward you.
5. Pull the jack straight out, bottom rst.
The tools you will be using include the jack (A)
and lug wrench (B).Removing the Spare Tire
The compact spare tire is located under the
vehicle, in front of the rear bumper. SeeCompact
Spare Tire on page 477for more information
about the compact spare.
A. Rear
Convenience
Center
B. Lug Wrench
C. Storage
Compartment
Cap HoleD. Hoist Shaft
E. Compact
Spare Tire
F. Retainer
G. Hoist Shaft
Assembly
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1. Open the storage compartment door of the
convenience center that is nearest the
liftgate.
2. Move the carpet cutout that is located through
the hole of the storage compartment.
3. Attach the lug wrench into the hoist shaft.
4. Turn the lug wrench counterclockwise to lower
the spare tire to the ground. Continue turning
the wrench until the spare tire can be
pulled out from under the vehicle.
5. Tilt the retainer and slip it through the wheel
opening to remove the spare tire from the
cable.
6. Turn the wrench clockwise to raise the cable
back up after removing the spare tire.
Do not store a full-size or a at road tire under
the vehicle. SeeStoring a Flat or Spare Tire
and Tools on page 472.
461

To continue changing the at tire, seeRemoving
the Flat Tire and Installing the Spare Tire on
page 463.
If the spare tire will not lower, the secondary latch
could be engaged.Do the following to check the cable:
1. Check under the vehicle to see if the cable is
visible.
2. If it is not visible, seeSecondary Latch
System on page 468.
If it is visible, rst try to tighten the cable by
turning the lug wrench clockwise until you hear
two clicks or feel it skip twice. You cannot
over-tighten the cable.
3. Loosen the cable by turning the wrench
counterclockwise three or four turns.
4. If the spare tire has not lowered, tighten the
cable all the way and then loosen it at least
two times.
If the spare tire did lower to the ground,
continue with Step 5 under “Removing the
Spare Tire (Vehicles with the Rear
Convenience Center)” listed previously.
5. If you still cannot lower the spare tire to the
ground, seeSecondary Latch System on
page 468.
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Removing the Flat Tire and
Installing the Spare Tire
1. It is recommended that you do a safety check
before preceding. SeeChanging a Flat Tire
on page 458for more information.
2. If the vehicle has a wheel cover, loosen the
plastic nut caps with the wheel wrench.
They will not come off. Then, using the at
end of the wheel wrench, pry along the edge
of the cover until it comes off. Be careful;
the edges may be sharp. Do not try to remove
the cover with your bare hands.
Store the wheel cover securely in the rear of
the vehicle until you have the at tire
repaired or replaced.
If your vehicle has aluminum wheels, remove
the wheel nut caps using the wheel wrench.3. Loosen the wheel nuts — but do not
remove them — using the lug wrench.
For wheels with a wheel lock key, use the
wheel lock key between the lock nut and
lug wrench. The key is supplied in the front
passenger door pocket.
Notice:If your vehicle has wheel locks and an
impact wrench is used to remove the wheel
nuts, the lock nut or wheel lock key could be
damaged. Do not use an impact wrench to
remove the wheel nuts if your vehicle has
wheel locks.
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4. To identify the appropriate jacking location,
nd the triangle about 12 inches (30.5 cm)
from the front tire or about 10.5 inches
(27 cm) from the rear tire.
The triangle is located near each wheel on the
vehicle’s exterior.Notice:If a jack is used to raise the vehicle
without positioning it correctly, your vehicle
could be damaged. When raising your vehicle
on a jack, avoid contact with the rear axle
control arms.
5. 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.
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