air suspension TOYOTA COROLLA 2004 E120 / 9.G Scheduled Maintenance Guide

General Maintenance Information17
Explanation of Maintenance Items
The following descriptions are provided to give you a better understanding of
the maintenance items that should be performed on your vehicle. The scheduled
maintenance log indicates at which mileage/time intervals each item should be
performed. Please note that many maintenance items should be performed only
by a qualified technician.
For further information on maintenance items you can perform yourself,
see the “Vehicle Maintenance and Care” and “Do-It-Yourself Maintenance”
sections of your
Owner’s Manual.
Air Conditioning Filter
Re place at specified intervals.
Automatic Transmission Fluid or Manual Transmission Oil
Replace at specified intervals. When perfor ming inspections, check each com-
ponent for signs of leakage. If you discover any leakage, have it repaired by a
qualified technician immediately.
Ball Joints and Dust Covers
Check the suspension and st eering linkage ball joints forl ooseness and damage.
Check all dust covers for deterioration and damage. Replace any deteriorated or
da maged parts. A qualified technici an should perform these operations.
Brake Lines and Hoses
Visually inspect for proper installation. Ch eck for chafing, cracks, deterioration
and signs of leakage. Replace any deteriorated or damaged parts. A qualified
tec hnician should perform these operations.
Brake Linings/Drums and Brake Pads/Discs
Check the brake linings (shoes) and drums for scoring, burning, fluid leakage,
broken parts and excessive wear. Check t he pads fore xcessive wear and the
discs for runout, excessive wear and fluid leakage. Replace any deteriorated
or damaged parts. A qualified techn ician should perform these operations.
Differential Oil
Replace at specified intervals. When per forming inspections, check each
component for signs of leakage. If you discover any leakage, have it repaired
by a qualified technician immediately.

General Maintenance Information19
Explanation of Maintenance Items
Nuts and Bolts on Chassis and Body
Re-tighten the seat-mounting bolts and front/rear suspension member retaining
bolts to specified torque.
Ra diator Core and Condenser
Inspect for damage, debris, dirt, insects and signs of leakage. Have any problems
re pa ired by a qualified technician.
Spark Plugs
Replace at specified intervals. Install new plugs of the same type as originally
equipped. A qualified technician should perform this operation.
Steering Gear Box
Inspect for signs of leakage. If you discover any leakage, have it repaired imme-
diately by a qualified technician.
Steering Linkage and Boots
With the vehicle stopped, check for excessiv e freeplay in the steering wheel.
Inspect the linkage for bending and dama ge and the dust boots for deterioration,
cracks and damage. Replace any damag ed parts. A qualified technician should
perform these operations.
Tire Ro tation
Tires should be rotated according to the instructions in the Owner’s Manual.
When rotating tires, check for damage and uneven wear. Replace if necessary.
Transfer Case Oil
Re place at specified intervals. When performi ng inspections, check for signs of
le akag e. If y ou discov erany le akag e, have it repaired by a qu alified technician
immediately.