2021 TOYOTA TUNDRA air suspension

54Maintenance Log
MAINTENANCE
EXPLANATION OF MAINTENANCE ITEMS
T
he 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 qualied technician.
For further information on maintenance
items you can perform yourself, see the
“Maintenance and Care” section of the
Owner’s Manual .
Automatic Transmission Fluid
Inspect or replace at specied intervals.
When performing inspections, check each
component for signs of leakage. If you
discover any leakage, have it repaired by
a qualied 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 qualied technician should perform
these operations.
Brake Lines and Hoses
Visually inspect for proper installation.
Check for chang, cracks, deterioration
and signs of leakage. Replace any
deteriorated or damaged parts. A qualied
technician should perform these operations.
Brake Linings/Drums and
Brake Pads/Discs
Check the brake linings (shoes) and
drums for scoring, burning, uid leakage,
broken parts and excessive we a r. Check
the pads for excessive wear and the discs
for runout, excessive wear and uid
leakage. Replace any deteriorated or
damaged parts. A qualied technician
should perform these operations.
Cabin Air Filter
Replace at specied intervals. Driving in
heavy trafc, on dirt roads or in urban,
desert or dusty areas may shorten lter’s
life. More frequent replacement may
be necessary.
Drive Belts
Inspect for cracks, excessive wear and
oiliness. Check the belt tension and adjust
if necessary. Replace the belts if they
are damaged.

56Maintenance Log
MAINTENANCE
EXPLANATION OF MAINTENANCE ITEMS
Engine Oil and Oil Filter
Replace the oil lter and drain and rell
the engine oil at specied intervals. For
recommended oil grade and viscosity,
refer to the Owner’s Manual.
NOTE: Your vehicle is certied with
Genuine Toyo t a 0W-20 motor oil. For
VEHICLES CERTIFIED FOR 0W-20 motor
oil, the oil change interval is 10,000 miles
or 12 months IF 0W-20 MOTOR OIL IS
BEING USED. If 0W-20 is not available,
5W-20 mineral oil may be used. However,
it must be replaced at a 5,000-mile or
six-month INTERVAL with 0W-20 motor oil.
For customers who primarily drive their
vehicle under any of the listed Special
Operating Conditions, the motor oil and
lter should be replaced at 5,000 miles or
six months, REGARDLESS OF THE OIL USED
(OR CERTIFICATION OF THE VEHICLE).
Exhaust Pipes and Mountings
Visually inspect the exhaust pipes, mufer
and hangers for cracks, deterioration and
damage. Start the engine and listen
carefully for any exhaust gas leakage.
Tighten connections or replace parts
as necessary.
Front and Rear Differential Oil
Inspect or replace at specied intervals.
When performing inspections, check each
component for signs of leakage. If you
discover any leakage, have it repaired by
a qualied technician immediately.
Fuel Lines and Connections,
Fuel Tank Band and Fuel Tank
Vapor Vent System Hoses
Visually inspect for corrosion, damage,
cracks, and loose or leaking connections.
Tighten connections or replace parts
as necessary.
Fuel Tank Cap Gasket
Visually inspect for cracks, deterioration
and damage and replace if necessary.
Nuts and Bolts on Chassis
and Body
Retighten the seat-mounting bolts and
front/rear suspension member retaining
bolts to specied torque.
Propeller Shaft
Re-torque the propeller shaft bolt. Only
a qualied technician should perform
this operation.
Radiator and Condenser
Inspect for debris, corrosion and signs
of damage. Have any problem repaired
immediately by a qualied technician.
Spark Plugs
Replace at specied intervals. Install new
plugs of the same type as originally
equipped. A qualied technician should
perform this operation.