Buying New Tires.........................................5-56
Different Size Tires and Wheels......................5-57
Uniform Tire Quality Grading..........................5-58
Wheel Alignment and Tire Balance..................5-59
Wheel Replacement......................................5-60
Tire Chains..................................................5-61
If a Tire Goes Flat........................................5-62
Changing a Flat Tire.....................................5-63
Removing the Spare Tire and Tools................5-64
Removing the Flat Tire and Installing
the Spare Tire..........................................5-65
Storing a Flat or Spare Tire and Tools............5-72
Compact Spare Tire......................................5-73
Appearance Care............................................5-74
Cleaning the Inside of Your Vehicle.................5-74
Fabric/Carpet...............................................5-75
Leather.......................................................5-77
Instrument Panel, Vinyl, and Other
Plastic Surfaces........................................5-77
Care of Safety Belts......................................5-78
Weatherstrips...............................................5-78
Washing Your Vehicle...................................5-78Cleaning Exterior Lamps/Lenses.....................5-78
Finish Care..................................................5-79
Windshield and Wiper Blades.........................5-79
Aluminum Wheels.........................................5-80
Tires...........................................................5-80
Sheet Metal Damage.....................................5-81
Finish Damage.............................................5-81
Underbody Maintenance................................5-81
Chemical Paint Spotting.................................5-81
Vehicle Care/Appearance Materials..................5-82
Vehicle Identi cation......................................5-83
Vehicle Identi cation Number (VIN).................5-83
Service Parts Identi cation Label.....................5-83
Electrical System............................................5-84
Add-On Electrical Equipment..........................5-84
Windshield Wiper Fuses................................5-84
Power Windows and Other Power Options.......5-84
Fuses and Circuit Breakers............................5-84
Instrument Panel Fuse Block..........................5-85
Engine Compartment Fuse Block....................5-86
Capacities and Speci cations..........................5-89
Section 5 Service and Appearance Care
5-2
Tire Size
The following illustration shows an example of a typical
passenger vehicle tire size.
(A) Passenger (P-Metric) Tire:The United States
version of a metric tire sizing system. The letter P as
the rst character in the tire size means a passenger
vehicle tire engineered to standards set by the
U.S. Tire and Rim Association.
(B) Tire Width:The three-digit number indicates the
tire section width in millimeters from sidewall to sidewall.
(C) Aspect Ratio:A two-digit number that indicates
the tire height-to-width measurements. For example,
if the tire size aspect ratio is 60, as shown in item C of
the illustration, it would mean that the tire’s sidewall
is 60 percent as high as it is wide.(D) Construction Code:A letter code is used to
indicate the type of ply construction in the tire.
The letter R means radial ply construction; the letter D
means diagonal or bias ply construction; and the
letter B means belted-bias ply construction.
(E) Rim Diameter:Diameter of the wheel in inches.
(F) Service Description:These characters represent
the load range and speed rating of the tire. The load
index represents the load carry capacity a tire is certi ed
to carry. The load index can range from 1 to 279. The
speed rating is the maximum speed a tire is certi ed
to carry a load. Speed ratings range from A to Z.
Tire Terminology and De nitions
Air Pressure:The amount of air inside the tire pressing
outward on each square inch of the tire. Air pressure
is expressed in pounds per square inch (psi) or
kilopascal (kPa).
Accessory Weight:This means the combined weight
of optional accessories. Some examples of optional
accessories are, automatic transmission, power steering,
power brakes, power windows, power seats, and air
conditioning.
Aspect Ratio:The relationship of a tire’s height to
its width.
5-50