inflation pressure Oldsmobile Bravada 1999 Owner's Manuals

yellowblue
4-41
Loading Your Vehicle
The Certification/Tire label is found on the driver's door
edge, above the door latch. The label shows the size of
your 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
GVWR includes the weight of the vehicle, all occupants,
fuel, cargo and trailer tongue weight, if pulling a trailer.The Certification/Tire label also tells you the maximum
weights for the front and rear axles, called Gross Axle
Weight Rating (GAWR). To find out the actual loads on
your front and rear axles, you need to 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 centerline.
Never exceed the GVWR for your vehicle, or the
GAWR for either the front or rear axle.
If you do have a heavy load, you should spread it out.
Similar appearing vehicles may have different GVWR's
and payloads. Please note your vehicle's
Certification/Tire label or consult your dealer for
additional details.

yellowblue
6-38 Inflation -- Tire Pressure
The Certification/Tire label, which is on the driver's
door edge, above the door latch, shows the correct
inflation pressures for your tires when they're cold.
ªColdº means your vehicle has been sitting for at least
three hours or driven no more than 1 mile (1.6 km).
NOTICE:
Don't let anyone tell you that underinflation or
overinflation is all right. It's not. If your tires
don't have enough air (underinflation), you can
get the following:

Too much flexing

Too much heat

Tire overloading

Bad wear

Bad handling

Bad fuel economy.
NOTICE: (Continued)
NOTICE: (Continued)
If your tires have too much air (overinflation),
you can get the following:

Unusual wear

Bad 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.
How to Check
Use a good quality pocket
-type gage to check tire
pressure. You can't tell if your tires are properly inflated
simply by looking at them. Radial tires may look
properly inflated even when they're underinflated.
Be sure to put the valve caps back on the valve stems.
They help prevent leaks by keeping out dirt
and moisture.

yellowblue
6-39 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
ªWhen It's Time for New Tiresº and ªWheel
Replacementº 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 ªScheduled
Maintenance Servicesº in the Index for scheduled
rotation intervals.
When rotating your tires, always use the correct rotation
pattern shown here.After the tires have been rotated, adjust the front and
rear inflation pressures as shown on the
Certification/Tire label. Make certain that all wheel nuts
are properly tightened. See ªWheel Nut Torqueº in
the Index.
CAUTION:
Rust or dirt on a wheel, or on the parts to which
it is fastened, can make wheel nuts become loose
after a 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 you
need to, to get all the rust or dirt off. (See
ªChanging a Flat Tireº in the Index.)

yellowblue
7-39
Part B: Owner Checks and Services
Listed in this part are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil
if necessary. See ªEngine Oilº in the Index for
further details.Engine Coolant Level Check
Check the engine coolant level and add DEX
-COOL

coolant mixture if necessary. See ªEngine Coolantº in
the Index for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid if
necessary. See ªWindshield Washer Fluidº in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures. See
ªTiresº in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See ªAudio Systemsº in the Index
for further details.

yellowblue
9-9
Steering 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In Emergencies 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel, Tilt 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering Wheel Controls 3-20 . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Compartments 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage, Vehicle 6-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storing a Flat or Spare Tire and Tools 5-26 . . . . . . . . . . . . . . .
Stuck: In Sand, Mud, Ice or Snow 5-28 . . . . . . . . . . . . . . . . . .
Sun Visors 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunglasses Storage 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunroof 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols, Vehicle vi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tachometer 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Taillamp Bulb Replacement 6-34 . . . . . . . . . . . . . . . . . . . . . . .
Tape Player Care 3-22, 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Display 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THEFTLOCK
3-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermostat 6-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Third Gear 2-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tilt Steering Wheel 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Time, Setting 3-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Chains 6-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Inflation Check 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Loading 4-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alignment and Balance 6-43 . . . . . . . . . . . . . . . . . . . . . . . .
Buying New 6-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning 6
-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation 6-38, 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Rotation 6-39 . . . . . . . . . . . . . . . . . . . . . . . .
Pressure 6-38, 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature 6-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction 6-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Treadwear 6-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uniform Quality Grading 6-41 . . . . . . . . . . . . . . . . . . . . . . .
Wear Indicators 6-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Top Strap 1-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Lock 2-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque, Wheel Nut 5-25, 6-60 . . . . . . . . . . . . . . . . . . . . . . . . .
Towing a Trailer 4-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing Your Vehicle 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer
Brakes 4
-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving on Grades 4-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving with a Trailer 4-48 . . . . . . . . . . . . . . . . . . . . . . . . . .
Hitches 4-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Towing 4-50 . . . . . . . . . . . . . . . . . . . . .
Parking on Hills 4-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tongue Weight 4-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Weight on Tires 4-46 . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing 4-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signals 4-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weight 4-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring Harness 4-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transfer Case 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Fluid 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission, Shifting 2-17 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitters, Keyless Entry 2-6 . . . . . . . . . . . . . . . . . . . . . . . .
Transportation, Courtesy 8-7 . . . . . . . . . . . . . . . . . . . . . . . . . .