Maintenance
9-10
Maintenance Under Severe Usage and Low Mileage Conditions
The following items must be serviced more frequently on cars mainly used under
severe driving conditions.
Refer to the chart below for the appropriate maintenance intervals.
R : Replace I : Inspect and if necessary, adjust, correct, clean or replace
Maintenance itemMaintenance
operationMaintenance intervalsDriving
condition
Reduction gear fluidREvery 80,000 miles
(120,000 km)C, D, E, F, G,
H, I, J
Steering gear rack,
linkage and bootsIInspect more frequently
depending on the conditionC, D, E, F, G
Front suspension ball
jointsIInspect more frequently
depending on the conditionC, D, E, F, G
Disc brakes and pads,
calipers and rotorsIInspect more frequently
depending on the conditionC, D, E, G, H
Driveshaft and bootsIInspect more frequently
depending on the conditionC, D, E, F,
G, H, I , J
Climate control air filterRReplace more frequently
depending on the conditionC, E, G
Severe driving conditions
A. Repeatedly driving short distance of less than 5 miles (8 km) in normal temperature
or less than 10 miles (16 km) in freezing temperature
B. 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 heavy dust condition
F. Driving in heavy traffic area
G. Driving on uphill, downhill, or mountain roads repeatedly
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 106 mph (170 km/h)
K. Frequently driving in stop-and-go conditions
09
9-11
Cooling System
Check cooling system components, such
as radiator, coolant reservoir, hoses and
connections for leakage and damage.
Replace any damaged parts.
Coolant
The coolant should be changed at the
intervals specified in the maintenance
schedule.
Reduction Gear Fluid
The reduction gear fluid should be
inspected according to the intervals
specified in the maintenance schedule.
Brake Hoses and Lines
Visually check for proper installation,
chafing, cracks, deterioration and any
leakage. Replace any deteriorated or
damaged parts immediately.
Brake Fluid
Check the brake fluid level in the brake
fluid reservoir. The level should be
between the MIN and the MAX marks
on the side of the reservoir. Use only
hydraulic brake fluid conforming to DOT
4 specification.
Brake Discs, Pads, Calipers and
Rotors
Check the pads, the disc, and the rotor
for any excessive wear-out. Inspect
calipers for any fluid leakage.
Suspension Mounting Bolts
Check the suspension connections for
looseness or damage. Retighten to the
specified torque.
Steering Gear Box, Linkage &
Boots/Lower Arm Ball Joint
With the vehicle stopped and the vehicle
off, check for excessive free-play in the
steering wheel. Check the linkage for
bends or damage. Check the dust boots
and ball joints for deterioration, cracks,
or damage.
Replace any damaged parts.
Drive Shafts and Boots
Check the drive shafts, boots and clamps
for cracks, deterioration, or damage.
Replace any damaged parts and, if
necessary, repack the grease.
Air Conditioning Refrigerant
Check the air conditioning lines and
connections for leakage and damage.
EXPLANATION OF SCHEDULED MAINTENANCE ITEMS
