suspension TOYOTA COROLLA 2003 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
Replace at specified intervals.
Automatic Transmission Fluid or Manual Transmission Oil
Replace at specified intervals. When performing 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 steering linkage ball joints for looseness and damage.
Check all dust covers for deterioration and damage. Replace any deteriorated or
damaged parts. A qualified technician should perform these operations.
Brake Lines and Hoses
Visually inspect for proper installation. Checkforchafing, cracks, deterioration
and signs of leakage. Replace any deteriorated or damaged parts. A qualified
technician 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 the pads for excessive wear and the
discs for runout, excessive wear and fluid leakage. Replace any deteriorated
or damaged parts. A qualified technician should perform these operations.
Differential Oil
Replace at specified intervals. When performing 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.
Radiator Core
Inspect for damage, debris and signs of leakage. Have any problems repaired
immediately by a qualified technician.
Spark Plugs
Replace at specified intervals. Install newplugs 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 excessive freeplay in the steering wheel.
Inspect the linkage for bending and damage and the dust boots for deterioration,
cracks and damage. Replace any damaged parts. A qualified technician should
perform these operations.
Tire Rotation
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.
TransferCase Oil
Replace at specified intervals. When performing inspections, check for signs of
leakage. If you discoverany leakage, have it repaired by a qualified technician
immediately.