1998 CADILLAC CATERA tires

Downloaded from www.Manualslib.com manuals search engine 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 bolts are
properly tightened. See “Wheel Bolt Torque” in
the Index.
Rust or dirt on a wheel, or on the parts to which
it
is fastened, can make wheel studs 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
“Changing a Flat Tire” in the Index.) When
It’s Time
for New Tires
One way to tell when it’s
time for new tires is to
check the treadwear
indicators, which will
appear when your tires have
only
1/16 inch (1.6 mm) or
less
of tread remaining.
You need a new tire
if any of the following statements
are true:
You can see the indicators at three or more places
around the tire.
0 YOU can see cord or fabric showing though the
tire’s rubber.
0 The tread or sidewall is cracked, cut or snagged deep
enough to show cord or fabric.
0 The tire has a bump, bulge or split.
6-40

Downloaded from www.Manualslib.com manuals search engine The tire has a puncture, cut or other damage that
can’t be repaired well because of the size or location
of the damage.
Buying New Tires
To find out what kind and size of tires you need, look at
the Tire-Loading Information label.
The tires installed on your vehicle when
it was new had
a Tire Performance Criteria Specification (TPC Spec)
number on each tire’s sidewall. When you get new tires,
get ones with that same TPC Spec number. That way
your vehicle will continue to have tires that are designed
to give proper endurance, handling, speed rating,
traction, ride and other things during normal service on
your vehicle.
If your tires have an all-season tread
design, the TPC number will be followed by
an “MS”
(for mud and snow).
If you ever replace your tires with those not having a
TPC Spec number, make sure they are the same size,
load range, speed rating and construction type (bias,
bias-belted or radial) as your original tires. Mixing
tires could cause you to lose control while
driving.
If you mix tires of different sizes or types
(radial and bias-belted tires), the vehicle may not
handle properly, and you could have
a crash.
Using tires of different sizes may also cause
damage to your vehicle. Be sure to use the same
size and type tires on all wheels.
If you use bias-ply tires on your vehicle, the
wheel rim flanges could develop cracks after
many miles
of driving. A tire and/or wheel could
fail suddenly, causing
a crash. Use only radial-ply
tires with the wheels on your vehicle.
I

Downloaded from www.Manualslib.com manuals search engine Uniform Tire Quality Grading
The following information relates to the system
developed by the United States National Highway
Traffic Safety Administration, which grades tires by
treadwear, traction and temperature performance. (This
applies only to vehicles sold in the United States.) The
grades
are molded on the sidewalls of most passenger
car tires. The Uniform Tire Quality Grading system does
not apply to deep tread, winter-type snow tires,
space-saver or temporary use spare tires, tires with
nominal rim diameters of
10 to 12 inches (25 to 30 cm),
or to some limited-production tires.
While the tires available on General Motors passenger
cars and light trucks
may vary with respect to these
grades, they must also conform to Federal safety
requirements and additional General Motors Tire
Performance Criteria (TPC) standards.
Treadwear
The treadwear grade is a comparative rating based on
the wear rate
of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded 150 would wear one and a half
(1
1/2) times as well on the government course as a tire
graded 100. The relative performance
of tires depends
upon the actual conditions of their use, however, and
may depart significantly from the norm due to variations
in driving habits, service practices and differences in
road characteristics and climate.
Traction -- A, B, C
The traction grades, fiom highest to lowest, are A, B, and
C, and they represent the tire’s ability
to stop on wet
pavement
as measured under controlled conditions on
specified government test surfaces of asphalt and concrete.
A tire marked C may have poor traction performance.
Warning: The traction grade assigned to this tire is based
on braking (straight ahead) traction tests and does not
include cornering (turning) traction.

Downloaded from www.Manualslib.com manuals search engine Temperature -- 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 bolts keep corning loose, the wheel
and wheel bolts 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.

Downloaded from www.Manualslib.com manuals search engine I
If you need to replace any of your wheels or wheel
bolts, replace them only with new
GM original
equipment
parts. This way, you will be sure to have the
right wheel and wheel bolts for your Catera model.
A CAUTION:
Using the wrong replacement wheels and wheel
bolts 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 and wheel bolts for reolacement.
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.
See “Changing a Flat Tire”
in the Index for
more information.
I A CAUTIO1 I
Putting a used wheel on your vehicle is
dangerous. You can’t know how it’s been used or
how
far it’s been driven. It could fail suddenly
and cause an accident.
If you have to replace a
wheel, use a new GM original equipment wheel.
6-44

Downloaded from www.Manualslib.com manuals search engine Tire Chains
NOTICE:
Use tire chains only where legal and only when
you must. Use only
SAE Class “S” type chains
that are the proper size for your tires. Install
them on the rear tires and tighten them as tightly
as possible with the ends securely fastened. Drive
slowly and follow the chain manufacturer’s
instructions.
If you can hear the chains
contacting your vehicle, stop and retighten them.
If the contact continues, slow down until it stops.
Driving too fast or spinning the wheels with
chains on will damage your vehicle.
Appearance Care
Remember, cleaning products can be hazardous. Some
are toxic. Others can burst into flame if you strike a
match or get them on a hot
part of the vehicle. Some are
dangerous if you breathe their fumes in a closed space.
When you use anything from a container to clean your
vehicle, be sure to follow the manufacturer’s warnings and instructions.
And always open your doors or
windows when you’re cleaning the inside.
Never use these to clean your vehicle:
Gasoline
0
0
0
0
0
0
0
0
Benzene
Naphtha
Carbon Tetrachloride
Acetone
Paint Thinner
Turpentine
Lacquer Thinner
Nail Polish Remover
They can all be hazardous
-- some more than
others
-- and they can all damage your vehicle, too.
Don’t use any of these unless this manual says you can.
In many uses, these will damage your vehicle:
0 Alcohol
0 Laundry Soap
0 Bleach
0 Reducing Agents
6-45

Downloaded from www.Manualslib.com manuals search engine Cleaning Tires
To clean your tires, use a stiff brush with a tire cleaner.
NOTICE:
When applying a tire dressing always take care to
wipe off any overspray or splash from all painted
surfaces on the body or wheels of the vehicle.
Petroleum-based products may damage the
paint finish.
Sheet Metal Damage
If your vehicle is damaged and requires sheet metal
repair or replacement, make sure the body repair shop
applies anti-corrosion material to the
parts repaired or
replaced to restore corrosion protection.
Finish Damage
Any stone chips, fractures or deep scratches in the finish
should be repaired right away. Bare metal will corrode
quickly and may develop into
a major repair expense.
Minor chips and scratches can be repaired with touch-up
materials available from your dealer or other service
outlets. Larger areas of finish damage can be corrected
in your dealer’s body and paint shop.

Downloaded from www.Manualslib.com manuals search engine Cleaning Aluminum or Chrome Wheels
................... 6-50
Exterior LampsLenses
........................ 6-49
Fabric
................................. 6.46. 6.47
Glass Surfaces
............................... 6-48
Inside of Your Vehicle
......................... 6-46
Interior Plastic Components
..................... 6-48
Leather
..................................... 6-47
Outside of Your Vehicle
........................ 6-49
Speakercovers
.............................. 6-48
Special Problems
............................. 6-47
Tires
....................................... 6-51
Top of the Instrument Panel
..................... 6-48
Vinyl
....................................... 6-47
Wheels
..................................... 6-50
Climate Control System
........................... 3-2
Clock. Setting the
................................ 3-9
Comfort Controls
................................ 3-2
Compact Disc Changer Errors
..................... 3-25
Console Shift Lever
............................. 2-25
ConsoleStorage
................................ 2-48
Control
of a Vehicle .............................. 4-6
ConvenienceNet
............................... 2-49
Convex Outside Mirror
.......................... 2-47
Coolant
....................................... 6-20
Adding
..................................... 6-23
Heater. Engine
............................... 2- 19
Outside
of the Windshield and Wiper Blades
....... 6-49
Checking
................................... 6-22 SurgeTank
................................... .. 5-14
WhattoUse
................................. 6-21
Cooling System
................................ 5-14
Cornering Lamps
............................... 2-43
Cruise Control
................................. 2-36
Cruise Control Light
............................ 2-74
Customer Assistance for Text Telephone (TTY) Users
.................................. 7-4
Customer Assistance Information
................... 7-1
Customer Satisfaction Procedure .................... 7-2
Damage. Finish
............................... 6-51
Damage. Sheet Metal
............................ 6-51
Daytime Running Lamps
......................... 2-41
DeadBattery
................................... 5-3
Defects. Reporting Safety
................... 7- 12. 7- 13
Defensive Driving
............................... 4-2
Defogger. Rear Window
.......................... 3-8
Defrosting
..................................... 3-8
Dimensions. Vehicle
............................ 6-64
Dolby B Noise Reduction
................... 3.12. 3.19
Door Central Unlocking System
....................... 2-5
Locks
....................................... 2-4
Drive Position. Automatic Transmission
............. 2-22
Driver Position
................................. 1-19
Driver’s Side Instrument Panel Fuse Block
........... 6-57
Driver’s Side Temperature Knob
.................... 3-2