tire pressure CHEVROLET KODIAK 2008 Owners Manual

Antilock Brake System (ABS)
Your vehicle has the Antilock Brake System (ABS), an
advanced electronic braking system that will help
prevent a braking skid.
When you start the engine and begin to drive away,
ABS will check itself. You might hear a momentary
motor or clicking noise while this test is going on. This
is normal.
If there is a problem with
ABS, this warning light will
stay on. SeeAnti-lock
Brake System (ABS)
Warning Light on
page 3-34.
Let us say the road is wet and you are driving safely.
Suddenly, an animal jumps out in front of you. You slam
on the brakes and continue braking. Here is what
happens with ABS:
A computer senses that wheels are slowing down. If
one of the wheels is about to stop rolling, the computer
will separately work the brakes at each wheel.ABS can change the brake pressure faster than any
driver could. The computer is programmed to make the
most of available tire and road conditions. This can
help you steer around the obstacle while braking hard.
As you brake, the computer keeps receiving updates
on wheel speed and controls braking pressure
accordingly.
Remember: ABS does not change the time you need
to get your foot up to the brake pedal or always
decrease stopping distance. If you get too close to
the vehicle in front of you, you will not have time to
apply the brakes if that vehicle suddenly slows or
stops. Always leave enough room up ahead to stop,
even though you have ABS.
Using ABS
Do not pump the brakes. Just hold the brake pedal
down firmly and let antilock work for you. You might feel
the brakes pulsate, or you might hear air exhausting
if your vehicle has air brakes, but this is normal.
Braking in Emergencies
With ABS, you can steer and brake at the same time.
In many emergencies, steering can help you more than
even the very best braking.
4-5

If you have the Antilock Brake System (ABS),
remember: It helps avoid only the braking skid. If you do
not have ABS, then in a braking skid, where the
wheels are no longer rolling, release enough pressure
on the brakes to get the wheels rolling again. This
restores steering control. Push the brake pedal down
steadily when you have to stop suddenly. As long as the
wheels are rolling, you will have steering control.
Driving at Night
Night driving is more dangerous than day driving
because some drivers are likely to be impaired — by
alcohol or drugs, with night vision problems, or by
fatigue.
Night driving tips include:
•Drive defensively.
•Do not drink and drive.
•Reduce headlamp glare by adjusting the inside
rearview mirror.
•Slow down and keep more space between you and
other vehicles because your headlamps can only
light up so much road ahead.
•Watch for animals.
•When tired, pull off the road.
•Do not wear sunglasses.
•Avoid staring directly into approaching headlamps.
•Keep the windshield and all glass on your vehicle
clean — inside and out.
•Keep your eyes moving, especially during turns or
curves.
No one can see as well at night as in the daytime.
But, as we get older, these differences increase.
A 50-year-old driver might need at least twice as much
light to see the same thing at night as a 20-year-old.
4-13

If your vehicle has tow hooks, the hooks are at the front
and, on some models, the rear of the vehicle. You
may need to use them if you are stuck off-road and need
to be pulled to some place where you can continue
driving.Loading Your Vehicle
It is the responsibility of the Final Stage manufacturer to
install a Certification label on your vehicle. This label
shows how much weight your vehicle can properly carry.
It may also show the size of the vehicle’s original
tires, and the inflation pressures needed to obtain the
gross weight capacity of your vehicle. This is called the
Gross Vehicle Weight Rating (GVWR). The tire
information could also be shown on a separate Tire
Information label.
The GVWR includes the weight of the vehicle, all
occupants, fuel, and cargo.
The Certification label also tells you the maximum
weight for the front and rear axles, called the Gross Axle
Weight Rating (GAWR). To find out the actual loads
on your front and rear axles, go to a weigh station and
weigh your vehicle. Your dealer can help you with
this. Be sure to spread out your load equally on both
sides of the center line.
4-21

Four-Wheel Drive............................................5-73
Front Axle......................................................5-74
Noise Control System.....................................5-75
Tampering with Noise Control System
Prohibited.................................................5-75
Bulb Replacement..........................................5-76
Windshield Wiper Blade Replacement..............5-76
Other Service Items........................................5-78
Fuel Filter....................................................5-78
Primary Fuel Filter and Water Separator..........5-79
Secondary Fuel Filter and Water Separator/
Heater (Caterpillar
®Diesel).........................5-80
Front Wheel Bearings with
Oil-Filled Hubs..........................................5-81
Tires..............................................................5-82
Inflation - Tire Pressure.................................5-82
Wheel Loading.............................................5-83
Dual Tire Operation.......................................5-84
When It Is Time for New Tires.......................5-84
Buying New Tires.........................................5-85
Wheel Alignment and Tire Balance..................5-86Tightening the Wheel Nuts.............................5-86
Wheel Replacement......................................5-90
If a Tire Goes Flat........................................5-92
Appearance Care............................................5-94
Interior Cleaning...........................................5-94
Fabric/Carpet...............................................5-95
Instrument Panel, Vinyl, and Other Plastic
Surfaces..................................................5-96
Care of Safety Belts......................................5-96
Weatherstrips...............................................5-96
Washing Your Vehicle...................................5-97
Cleaning Exterior Lamps/Lenses.....................5-97
Finish Care..................................................5-97
Windshield and Wiper Blades.........................5-98
Aluminum or Chrome-Plated Wheels
and Trim..................................................5-98
Tires...........................................................5-99
Sheet Metal Damage.....................................5-99
Finish Damage.............................................5-99
Underbody Maintenance...............................5-100
Chemical Paint Spotting...............................5-100
Vehicle Care/Appearance Materials................5-100
Section 5 Service and Appearance Care
5-2

Tires
Your new vehicle comes with high-quality tires
made by a leading tire manufacturer. If you ever
have questions about your tire warranty and where
to obtain service, see your vehicle Warranty
booklet for details.
{CAUTION:
Poorly maintained and improperly used
tires are dangerous.
Overloading your vehicle’s tires can
cause overheating as a result of too
much exing. You could have an
air-out and a serious accident. See
Loading Your Vehicle on page 4-21.
Underinated tires pose the same
danger as overloaded tires. The
resulting accident could cause serious
injury. Check all tires frequently to
maintain the recommended pressure.
Tire pressure should be checked when
your vehicle’s tires are cold. See
Inflation - Tire Pressure on page 5-82.
CAUTION: (Continued)
CAUTION: (Continued)

Overinated tires are more likely to be
cut, punctured, or broken by a sudden
impact — such as when you hit a
pothole. Keep tires at the
recommended pressure.
Worn, old tires can cause accidents. If
the tire’s tread is badly worn, or if
your vehicle’s tires have been
damaged, replace them.
Ination - Tire Pressure
Tires need the correct amount of air pressure to operate
effectively. The Certification or Tire Information label
shows the correct inflation pressures for your tires when
they are cold. Cold means your vehicle has been
sitting for at least three hours or driven no more than
1 mile (1.6 km).
5-82

Notice:Do not let anyone tell you that
under-ination or over-ination is all right. It is
not. If your tires do not have enough air
(under-ination), you can get the following:
Too much exing
Too much heat
Tire overloading
Premature or irregular wear
Poor handling
Reduced fuel economy
If your tires have too much air (over-ination),
you can get the following:
Unusual wear
Poor handling
Rough ride
Needless damage from road hazards
When to Check
Check your tires once a month or more.
Also, check the tire pressure of the spare tire if your
vehicle has one.
How to Check
Use a good quality pocket-type gage to check tire
pressure. You cannot tell if your vehicle’s tires are
properly inflated simply by looking at them. Radial tires
may look properly inflated even when they are
underinflated. Check the tire’s inflation pressure when the
tires are cold. Cold means your vehicle has been sitting
for at least three hours or driven no more than
1 mile (1.6 km).
Remove the valve cap from the tire valve stem. Press
the tire gage firmly onto the valve to get a pressure
measurement. If the cold tire inflation pressure matches
the recommended pressure on the Certification or Tire
Information label, no further adjustment is necessary.
If the inflation pressure is low, add air until you reach the
recommended amount. If you overfill the tire, release air
by pushing on the metal stem in the center of the tire
valve. Re-check the tire pressure with the tire gage.
Be sure to put the valve caps back on the valve stems.
They help prevent leaks by keeping out dirt and
moisture.
Wheel Loading
Wheels are stamped with a maximum load and cold
inflation rating. Be sure you do not exceed these limits.
5-83

Dual Tire Operation
When the vehicle is new, check the wheel nut tightness
on all wheels with a torque wrench after your first
100 miles (160 km) and then 1,000 miles (1 600 km)
after that. Whenever a wheel, wheel bolt or wheel nut is
removed or serviced, repeat the 100 miles (160 km),
and then 1,000 mile (1 600 km) wheel nut tightness
check.
SeeTightening the Wheel Nuts on page 5-86for wheel
nut tightening information and proper torque values.
{CAUTION:
If you operate your vehicle with a tire that is
badly underinated, the tire can overheat. An
overheated tire can lose air suddenly or catch
re. You or others could be injured. Be sure all
tires (including the spare, if any) are properly
inated.
SeeTires on page 5-82andInflation - Tire Pressure on
page 5-82for more information on proper tire inflation.
When It Is Time for New Tires
Various factors, such as maintenance, temperatures,
driving speeds, vehicle loading, and road conditions,
influence when you need new tires.
Replace your tires when the tread depth is down to
1/8 of an inch (3.2 mm) for the front tires, or 1/16 of an
inch (1.6 mm) for a rear tire. Also, you need a new
tire if:
•You can see cord or fabric showing through the
tire’s rubber.
•The tread or sidewall is cracked, cut, or snagged
deep enough to show cord or fabric.
•The tire has a bump, bulge, or split.
•The tire has a puncture, cut, or other damage that
cannot be repaired well because of the size or
location of the damage.
The rubber in tires degrades over time, even if they are
not being used. This is also true for the spare tire, if
your vehicle has one. Multiple conditions affect how fast
this aging takes place, including temperatures, loading
conditions, and inflation pressure maintenance. With
proper care and maintenance tires will typically wear out
before they degrade due to age. If you are unsure about
the need to replace your tires as they get older, consult
the tire manufacturer for more information.
5-84

{CAUTION:
Without the correct wheel, wheel bolts or
wheel nuts, you may not be able to stop
properly, and you could have other problems
like a tire air-out. You could have a collision. If
you do not go to your dealer to get a new
wheel, wheel bolts or wheel nuts, be sure you
get the correct ones. Each new wheel should
match the original wheel in load-carrying
capacity, ination pressure capacity, diameter,
width, offset and mounting conguration.Using wheels and tires with higher load-carrying limits
than the original wheels and tires does not change
the Gross Axle Weight Rating (GAWR) or the Gross
Vehicle Weight Rating (GVWR) of your vehicle.
SeeLoading Your Vehicle on page 4-21for more
information.
Notice:The wrong wheel can cause trouble in
bearing life, brake cooling, speedometer/odometer
calibration, headlamp aim, bumper height, vehicle
ground clearance, stopping distance and tire
clearance to the body and chassis. You could also
have other problems like a tire air-out.
5-91

❑Clean air brake application valve (or every 3 months,
or every 300 hours, whichever occurs first). Lubricate
linkage.
❑Air brake chamber service (or every 2 months,
whichever occurs first).(34)
❑Air compressor dry element pleated paper air strainer
service (or every 2 months, or every 800 hours,
whichever occurs first).
❑Thermostatically controlled engine cooling fan
service.(3) (19)
❑Shields and underhood insulation service.(3) (4) (20)
❑Gasoline Engine: Air compressor remote mounted air
filter dry element pleated paper air strainer service (or
every 6 months or every 1800 hours, whichever
occurs first).
22,500 Miles (36 000 km)
❑Gasoline Engine Only: Check engine oil life system.
If engine oil and filter are changed, reset system.
See “Engine Oil (Gasoline Engine)” in the
Index.(2) (8)
❑Check fluid levels (or every 3 months, whichever
occurs first).(1) (5)
❑Chassis lubrication service (or every 6 months,
whichever occurs first).(11)
❑Inspect door hinge pins and bushings and replace as
necessary.❑Cooling system service. Clean the cooling system
filter cap with clean water, clean the core, pressure
test the cap and the system for proper pressure
capability, and inspect condition of cooling and heater
hoses and clamps. Replace hoses if cracked,
swollen, or damaged.
❑Wheels and tires service.(14)
❑Hydraulic brake service (or every 6 months,
whichever occurs first).(6) (36)
❑Parking brake service (or every 6 months, whichever
occurs first).(21)
❑Air brake service (or every 6 months, whichever
occurs first).(32)
❑Air brake automatic slack adjuster service (or every
500 hours, whichever occurs first).(33)
❑Check air brake relay valve operation and check for
leaks (or every month, or every 300 hours, whichever
occurs first).
❑Clean air brake application valve (or every 3 months,
or every 300 hours, whichever occurs first). Lubricate
linkage.
❑Air brake chamber service (or every 2 months,
whichever occurs first).(34)
❑Air brake system valve service (or every 3 months,
or every 900 hours, whichever occurs first).(37)
❑Air intake system service (or every 24 months,
whichever occurs first).(3) (4) (23)
6-7

45,000 Miles (72 000 km)
❑Gasoline Engine Only: Check engine oil life system.
If engine oil and filter are changed, reset system.
See “Engine Oil (Gasoline Engine)” in the
Index.(2) (8)
❑DURAMAX
®/Isuzu Diesel Without Engine Oil Life
System Only: Change engine oil and filter (or
every 12 months, or every 750 hours of engine
operation, whichever occurs first).(2) (39)
❑DURAMAX
®/Isuzu Diesel With Engine Oil Life
System Only: Check oil life system. If engine oil and
filter are changed, reset system. See “Engine Oil
(DURAMAX
®/Isuzu Diesel)” in the Index.(2) (9)
❑Check fluid levels (or every 3 months, whichever
occurs first).(1) (5)
❑Gasoline Engine: Replace engine air cleaner filter.
SeeEngine Air Cleaner/Filter on page 5-39for
more information.
❑Diesel Engine: Inspect engine air cleaner filter
change indicator. If necessary, replace the filter.
If vehicle is driven in dusty/dirty conditions, inspect
filter change indicator at every engine oil change. See
Engine Air Cleaner/Filter on page 5-39for more
information.
❑DURAMAX
®/Isuzu Diesel Only: Replace fuel filter
(or every 750 hours of engine operation, whichever
occurs first).❑Chassis lubrication service (or every 6 months,
whichever occurs first).(11)
❑Cooling system service. Clean the cooling system
filler cap with clean water, clean the core, pressure
test the cap and the system for proper pressure
capability, and inspect condition of cooling and heater
hoses and clamps. Replace hoses if cracked,
swollen, or damaged.
❑Inspect door hinge pins and bushings and replace as
necessary.
❑Steering system service.(12)
❑Front and rear suspension service.(13)
❑Spring-to-axle U-bolts and shackle bolts service.(15)
❑Exhaust system service (or every 6 months,
whichever occurs first).(2) (3) (16)
❑Wheels and tires service.(14)
❑Hydraulic brake service (or every 6 months,
whichever occurs first).(6) (36)
❑Parking brake service (or every 6 months, whichever
occurs first).(21)
❑Air brake service (or every 6 months, whichever
occurs first).(32)
❑Air brake automatic slack adjuster service (or every
500 hours, whichever occurs first).(33)
6-10