Tire Inspection and Rotation
Tires should be rotated every 6,000 to 8,000 miles
(10 000 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. See “When It’s Time for New Tires” and
“Wheel Replacement” later in this section for
more information.
The purpose
of regular rotation is to achieve more
uniform wear for all tires
on the vehicle. The first
rotation
is the most important. See “Scheduled
Maintenance Services’’ in the Index for scheduled
rotation intervals.
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After the tires have been rotated, adjust the front and
rear inflation pressures as shown on the Tire-Loading
Information label. Make certain that all wheel nuts
are properly tightened. See “Wheel Nut Torque” in
the Index.
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Temperature -9 A, B, C
The temperature grades are A (the highest), B, and C,
representing the tire’s resistance to the generation of
heat and its ability to dissipate heat when tested under
controlled conditions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the
material
of the tire to degenerate and reduce tire life,
and excessive temperature can lead to sudden tire
failure. The grade
C corresponds to a level of
performance which all passenger car tires must meet
under the Federal Motor Vehicle Safety Standard
No. 109. Grades B and A represent higher levels of
performance on the laboratory test wheel than the
minimum required by law.
Warning: The temperature grade for this tire is
established for a tire that is properly inflated and not
overloaded. Excessive speed, underinflation, or
excessive loading, either separately or in combination,
can cause heat buildup and possible tire failure.
Wheel Alignment and Tire Balance
The wheels on your vehicle were aligned and balanced
carefully at the factory to give you the longest
tire life
and best overall performance. Scheduled
wheel alignment and wheel balancing are not
needed. However, if you notice unusual tire wear or
your vehicle pulling one way or the other, the alignment
may need to be reset. If you notice your vehicle
vibrating when driving on a smooth road, your wheels
may need
to be rebalanced.
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 Geo 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 Geo model.
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Gem Section 9 Index
Adding Equipment to the Outside of Your Vehicle ..... 6-3
AirBag
....................................... 1-25
Adding Equipment
............................ 1-3 1
How Does it Restrain
.......................... 1-29
How it Works
................................ 1-27
Location
.................................... 1-27
Readiness Light
......................... 1-26. 2-63
Servicing ................................... 1-30
What Makes it Inflate
.......................... 1-28
What Will
You See After it Inflates ............... 1-29
When Should it Inflate
......................... 1-28
Aircleaner
.................................... 6-14
Air Conditioning
................................ 3-3
Air Conditioning Refrigerants
..................... 6-64
Alignment and Balance. Tire
...................... 6-46
Aluminum Wheels. Cleaning
...................... 6-55
Antenna
...................................... 3-19
Antifreeze
..................................... 6-23
Anti-Lock Brake System Active Light
................. 2-66. 4-9
Brake System Warning Light
................ 2-65. 4-7
Brakes
...................................... 4-7
Appearance Care
............................... 6-48
Appearance Care Materials
....................... 6-57 Arbitration
Program
.............................. 8-9
Ashtrays ...................................... 2-43
Audio Systems
.................................. 3-6
Automatic
Overdrive
................................... 2-14
Overdrive Off Switch
.......................... 2-14
Automatic Transmission
.......................... 2-9
Check
...................................... 7-50
Fluid
....................................... 6-16
Operation
................................... 2-10
Park Mechanism Check ........................ 7-52
Shifting
..................................... 2-10
Starting Your Engine
........................... 2-9
Axle. Front .................................... 6-23
Axle. Rear
.................................... 6-21
Battery
...................................... 6-33
Jump Starting
................................. 5-3
Warnings
................................ 5-3, 5-5
BBB Auto Line
................................. 8-9
Better Business Bureau Mediation ................... 8-9
Blizzard ...................................... 4-42
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Tachometer .................................. 2-6 1
Tailgate Lock Release ............................ 2-6
Tailgate
........................................ 2-5
TapePlayerCare
............................... 3-18
Theft
.......................................... 2-6
Theft-Deterrent Feature. CD Player
................ 3- 15
Thermostat .................................... 6-26
Third Gear. Manual Transmission
.................. 2- 15
Tirechains
.................................... 6-48
TireLoading
................................... 4-47
Tire-Loading Information Label
................... 4-47
Tires
......................................... 6-40
Alignment and Balance
........................ 6-46
Chains
..................................... 6-48
ChangingaFlat
.............................. 5-23
Cleaning
.................................... 6-55
Inflation
.................................... 6-41
Inflation Check
............................... 7-49
Inspection and Rotation
........................ 6-42
Pressure
.................................... 6-41
Storing a Flat or Spare
......................... 5-32
Temperature
................................. 6-46
Traction
.................................... 6-45
Treadwear
................................... 6-45
Uniform Quality Grading
....................... 6-45
Wear Indicators
.............................. 6-43
When It’s Time for New
....................... 6-43
Buying
New
.................................. 6-44
Loading
.................................... 4-47
Wheel Replacement
........................... 6-46 Top
Strap
..................................... 1-37
Torque. Wheel Nut
......................... 5-32. 6-64
TorqueLock
................................... 2-24
Towing ATrailer
.................................... 4-49
Recreational Vehicle
.......................... 4-44
Towing Your Vehicle
............................. 5-8
Trailer Brakes
..................................... 4-53
Driving on Grades
............................ 4-55
Driving with
................................. 4-53
Hitches
..................................... 4-52
Maintenance When Towing
..................... 4-56
Parking on Hills
.............................. 4-55
Safety Chains
................................ 4-53
Total Weight on Tires
.......................... 4-52
Towing
..................................... 4-49
Turnsignals
................................. 4-55
Weight ..................................... 4-51
Tongueweight
............................... 4-51
Transfer Case. Manual Shift
................. 2-20, 6-22
Transmission Fluid Automatic
................................... 6-16
Manual
..................................... 6-19
Transportation. Courtesy
.......................... 8-7
Trip Odometer ................................. 2-61
TTYUsers
..................................... 8-4
Turn Signal and Lane Change Signals
............... 2-30
Turn SignaVMultifunction Lever
................... 2-29
Turn Signals When Towing a Trailer
................ 4-55
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Underbody Flushing Service .. .,. . . I ............ 7-52
Underbody Maintenance
......................... 6-56
Vehicle Control
...................................... 4-6
Damagewarnings
............................... v
Dimensions ................................. 6-64
Identification Number
......................... 6-58
Loading
............................... 4.16. 4.47
Storage
..................................... 6-33
Ventilation System
............................... 3-4
Visors. Sun
.................................... 2-44
'Warning Devices
............................... 5-2
Warning Lights. Gages and Indicators
............... 2-62
Warranty Information
............................ 8- 10
Washer Fluid. Windshield ........................ 6-27
Washing Your Vehicle
........................... 6-53 Weatherstrips
.................................. 6-53
Wheel Alignment
.................................. 6-46
LockKey
................................... 5-26
Nut Torque ............................. 5.32. 6.64
Replacement
................................. 6-46
Wrench
..................................... 5-25
Window Lock
.................................. 2-29
Windows
..................................... 2-28
Windows. Power
............................... 2-28
Windshield Washer
............................. 2-32
Fluid
....................................... 6-27
Fluid Level Check
............................ 7-49
Rear
....................................... 2-33
Windshield Wiper
.............................. 2-32
Rear
....................................... 2-33
Winter Driving
................................. 4-40
Wiper Blade Check
............................. 7-50
Wiper Blades, Cleaning
.......................... 6-52
Wrench, Wheel
................................. 5-25
9-11
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