57Maintenance Log
MAINTENANCE
EXPLANATION OF MAINTENANCE ITEMS
Radiator and Condenser
Inspect for debris, corrosion and signs
of damage. Have any problem repaired
immediately by a qualified technician.
Rear Differential Oil
Inspect or 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.
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
Inspect for signs of leakage. If you
discover any leakage, have it repaired
immediately 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.
Transfer Case Oil
Inspect or replace at specified intervals. When
performing inspections, check for signs of
leakage. If you discover any leakage, have it
repaired by a qualified technician immediately.
Vacuum Pump for Brake Booster
Replace at specified intervals. A qualified
technician should perform this operation
Wiper Blades
The wiper blades should not show any
signs of cracking, splitting, wear,
contamination or deformation. The wiper
blades should clear the windshield without
streaking or skipping.
19-TCS-14200 TMY21 WMG Highlander.indd 5719-TCS-14200 TMY21 WMG Highlander.indd 578/6/20 1:50 AM8/6/20 1:50 AM