flat tire GMC ENVOY 2007 Owner's Manual

Page 378 of 562

Windshield Wiper Blade Replacement....... 436
Tires............................................................ 439
Tire Sidewall Labeling............................... 440
Tire Terminology and Denitions............... 444
Ination - Tire Pressure............................. 447
Tire Pressure Monitor System................... 448
Tire Inspection and Rotation...................... 453
When It Is Time for New Tires.................. 455
Buying New Tires...................................... 455
Different Size Tires and Wheels................ 457
Uniform Tire Quality Grading..................... 458
Wheel Alignment and Tire Balance............ 459
Wheel Replacement.................................. 460
Tire Chains............................................... 461
Accessory Inator...................................... 462
If a Tire Goes Flat.................................... 464
Changing a Flat Tire................................. 465
Removing the Spare Tire and Tools.......... 466
Removing the Flat Tire and Installing
the Spare Tire....................................... 469
Secondary Latch System........................... 475
Storing a Flat or Spare Tire and Tools...... 478
Spare Tire................................................. 481Appearance Care........................................ 482
Cleaning the Inside of Your Vehicle.......... 482
Fabric/Carpet............................................. 483
Leather...................................................... 484
Instrument Panel, Vinyl, and Other
Plastic Surfaces..................................... 485
Care of Safety Belts.................................. 485
Weatherstrips............................................ 485
Washing Your Vehicle............................... 486
Cleaning Exterior Lamps/Lenses................ 486
Finish Care............................................... 486
Windshield, Backglass, and
Wiper Blades......................................... 487
Aluminum Wheels...................................... 488
Tires......................................................... 488
Sheet Metal Damage................................. 489
Finish Damage.......................................... 489
Underbody Maintenance............................ 489
Chemical Paint Spotting............................ 489
Vehicle Care/Appearance Materials............ 490
Section 5 Service and Appearance Care
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Page 453 of 562

Federal Communications Commission
(FCC) and Industry and Science Canada
The Tire Pressure Monitor System (TPMS)
operates on a radio frequency and complies with
Part 15 of the FCC Rules. Operation is subject
to the following two conditions:
1. This device may not cause harmful
interference.
2. This device must accept any interference
received, including interference that may
cause undesired operation.
The Tire Pressure Monitor System (TPMS)
operates on a radio frequency and complies with
RSS-210 of Industry and Science Canada.
Operation is subject to the following two conditions:
1. This device may not cause interference.
2. This device must accept any interference
received, including interference that may
cause undesired operation of the device.
Changes or modications to this system by other
than an authorized service facility could void
authorization to use this equipment.
Tire Inspection and Rotation
Tires should be rotated every 5,000 to 8,000 miles
(8 000 to 13 000 km).
Any time you notice unusual wear, rotate your
tires as soon as possible and check wheel
alignment. Also check for damaged tires or wheels.
SeeWhen It Is Time for New Tires on page 455
andWheel Replacement on page 460for
more information.
Make sure the spare tire is stored securely. Push,
pull, and then try to rotate or turn the tire. If it
moves, use the wheel wrench to tighten the cable.
For information on storing or removing the
spare tire, seeChanging a Flat Tire on page 465.
The purpose of regular rotation is to achieve
more uniform wear for all tires on the vehicle. The
rst rotation is the most important. SeeScheduled
Maintenance on page 507.
453

Page 454 of 562

When rotating your tires, always use the correct
rotation pattern shown here.
After the tires have been rotated, adjust the front
and rear ination pressures as shown on the
Tire and Loading Information label. SeeLoading
Your Vehicle on page 349, for an example of
the label and its location on your vehicle.
The Tire Pressure Monitor System (TPMS)
sensors will need to be reset after a tire rotation.
See “TPMS Sensor Identication Codes” under
Tire Pressure Monitor System on page 448.Make certain that all wheel nuts are properly
tightened. See “Wheel Nut Torque” under
Capacities and Specications on page 502.
{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 on page 465.
454

Page 460 of 562

Wheel Replacement
Replace any wheel that is bent, cracked, or badly
rusted or corroded. If wheel nuts keep coming
loose, the wheel, wheel bolts, and wheel
nuts should be replaced. If the wheel leaks air,
replace it (except some aluminum wheels,
which can sometimes be repaired). See your
dealer if any of these conditions exist.
Your dealer will know the kind of wheel you need.
Each new wheel should have the same
load-carrying capacity, diameter, width, offset
and be mounted the same way as the one
it replaces.
If you need to replace any of your wheels, wheel
bolts, or wheel nuts, replace them only with
new GM original equipment parts. This way,
you will be sure to have the right wheel, wheel
bolts, and wheel nuts for your vehicle.{CAUTION:
Using the wrong replacement wheels,
wheel bolts, or wheel nuts on your vehicle
can be dangerous. It could affect the
braking and handling of your vehicle,
make your tires lose air and make you
lose control. You could have a collision
in which you or others could be injured.
Always use the correct wheel, wheel bolts,
and wheel nuts for replacement.
Notice:The wrong wheel can also cause
problems with bearing life, brake cooling,
speedometer or odometer calibration,
headlamp aim, bumper height, vehicle ground
clearance, and tire or tire chain clearance
to the body and chassis.
SeeChanging a Flat Tire on page 465for more
information.
460

Page 464 of 562

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.
464

Page 465 of 562

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 hazard warning ashers. See
Hazard Warning Flashers on page 170for 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. If you have a four-wheel-drive vehicle,
be sure the transfer case is in a drive
gear — not in NEUTRAL.
4. Turn off the engine and do not restart
while the vehicle is raised.
5. Do not allow passengers to remain in
the vehicle.
6. Put the wheel 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.
465

Page 467 of 562

The tools you will be using include the wheel
wrench (A), wheel blocks (B), extension(s)
(socket end) (C), handle (jack end) (D),
and jack (E).
The following instructions explain how to remove
the underbody-mounted spare underneath
your vehicle.
Notice:If you remove or restow a tire from/to
the storage position under the vehicle when
it is supported by a jack, you could damage the
tire and/or your vehicle. Always remove or
restow a tire when the vehicle is on the ground.A. Wheel Wrench
B. Hoist Shaft
C. Extension
D. Retainer
E. Spare or Flat Tire
(Valve Stem
Pointed Up)
1. Open the liftgate. SeeLiftgate/Liftglass
on page 106for more information.
2. Attach the wheel wrench (A) to the
extension (C).
467

Page 469 of 562

5. Tilt the retainer at the end of the cable when
the tire has been completely lowered, and pull
it through the wheel opening.
6. Pull the tire out from under the vehicle.
Notice:If you drive away before the spare tire
or secondary latch system cable has been
reinstalled, you could damage your vehicle.
Always reinstall this cable before driving your
vehicle.
7. Put the spare tire near the at tire.
Removing the Flat Tire and
Installing the Spare Tire
1. If your vehicle has a wheel cap that covers
the wheel nuts, position the chisel end of the
wheel wrench in the notch and pry it off.
469

Page 475 of 562

Secondary Latch System
Your vehicle has an underbody-mounted tire
hoist assembly equipped with a secondary latch
system. It is designed to stop the spare 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 stored
with the valve stem pointing up. SeeStoring
a Flat or Spare Tire and Tools on page 478
for instructions on storing the spare or at tire
correctly.
{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 next.
{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.
To release the spare tire from the secondary latch,
do the following:
1. Check under the
vehicle to see if
the cable is visible.
If it is not visible,
proceed to Step 6.
475

Page 478 of 562

13. Tilt the retainer at the end of the cable and pull
it through the wheel opening. Pull the tire out
from under the vehicle.
Notice:If you drive away before the spare tire
or secondary latch system cable has been
reinstalled, you could damage your vehicle.
Always reinstall this cable before driving your
vehicle.
14. Turn the wheel wrench clockwise to raise the
cable back up if the cable is hanging under
the vehicle.
Have the hoist assembly inspected as soon as
you can. You will not be able to store a spare
tire using the hoist assembly until it has been
repaired or replaced.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.
478

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