7-10
Maintenance
Maintenance Under Severe Usage Conditions
The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer
to the chart below for the appropriate maintenance intervals.
R : Replace I : Inspect and, after inspection, clean, adjust, repair or replace if necessary
Severe Driving Conditions
A - Repeatedly driving short distances of less than 8 km(5 miles) in normal temperature or less than 16 km
(10 miles) in freezing temperature
B - Extensive low speed driving for long distances
C - Driving on rough, dusty, muddy, unpaved, graveled or salt- spread roads
D - Driving in areas using salt or other corrosive materials or in very cold weather E - Driving in sandy areas
F - Driving in heavy traffic area over 32°C (90°F)
G - Driving on uphill, downhill, or mountain road
H - Towing a Trailer, or using a camper, or roof rack
I - Driving as a patrol car, taxi, other commercial use or
vehicle towing
J - Driving over 170 km/h (106 mph)
K - Frequently driving in stop-and-go conditions
MAINTENANCE ITEMMAINTENANCE OPERATIONMAINTENANCE INTERVALSDRIVING
CONDITION
Reduction gear fluid REvery 120,000 kmC, E, F, G, I
Brake/pads, calipersIMore frequentlyC, D, G, H
Steering gear box, linkage & boots/
lower arm ball joint, upper arm ball jointIMore frequentlyC, D, E, F, G, H, I
Drive shafts and bootsIMore frequentlyC, D, E, F, G, H, I
Climate control air filter
(for evaporator and blower unit)RMore frequentlyC, E
7-34
Maintenance
Maximum Load Rating
The load rating for a tire at the maxi-
mum permissible inflation pressure
for that tire.
Maximum Loaded VehicleWeight
The sum of curb weight; accessory
weight; vehicle capacity weight; and
production options weight.
Normal Occupant Weight
The number of occupants a vehicle
is designed to seat multiplied by 68kg (150 pounds).
Occupant Distribution
Designated seating positions.
Outward Facing Sidewall
An asymmetrical tire has a particular
side that faces outward when mount-
ed on a vehicle. The outward facing
sidewall bears white lettering or
bears manufacturer, brand, and/ormodel name molding that is higher ordeeper than the same moldings on
the inner facing sidewall.
Passenger (P-Metric) tire
A tire used on passenger cars and
some light duty trucks and multipur-
pose vehicles.
Ply
A layer of rubber-coated parallel
cords.
Pneumatic tire
A mechanical device made of rubber,
chemicals, fabric and steel or other
materials, that, when mounted on an
automotive wheel provides the trac-tion and contains the gas or fluid thatsustains the load.
Pneumatic options weight
The combined weight of installed
regular production options weighing
over 2.3 kg (5 lb.) in excess of the
standard items which they replace,
not previously considered in curb
weight or accessory weight, includ-
ing heavy duty breaks, ride levelers,
roof rack, heavy duty battery, and
special trim.
Recommended InflationPressure
Vehicle manufacturer's recommend-
ed tire inflation pressure as shownon the tire placard.
Radial Ply Tire
A pneumatic tire in which the ply
cords that extend to the beads are
laid at 90 degrees to the centerline ofthe tread.
Rim
A metal support for a tire and uponwhich the tire beads are seated.
