2021 TOYOTA 4RUNNER fuel

49Maintenance Log
MAINTENANCE LOG
MAINTENANCE
90,000 miles or 108 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Lubricate propeller shaft
Replace cabin air filter
Replace engine air filter
Replace engine oil and oil filter2
Re-torque propeller shaft bolt
Rotate tires
Inspect the following: _ Automatic transmission for signs of leakage
_ Ball joints and dust covers
_ Brake lines and hoses
_ Brake linings/drums and brake pads/discs
5
_Drive belts
_ Drive shaft boots (4WD)
_ Engine coolant
6
_Exhaust pipes and mountings
_ Front differential oil (4WD)

Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Replace transfer case oil (4WD)
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
Replace front differential oil (4WD)
Replace rear differential oil
Replace transfer case oil (4WD)
Tighten nuts and bolts on chassis and body

DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:

_ Fuel lines and connections, fuel tank band
and fuel tank vapor vent system hoses
_ Fuel tank cap gasket
_ Radiator and condenser
_ Rear differential oil
_ Steering gear
_ Steering linkage and boots
_ Transfer case oil (4WD)
1 Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed
component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect
power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant
level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on
inspection results.
2 Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the
multi-information display after maintenance at every 5,000 miles.
3 Perform these service items only if you drive primarily under the conditions indicated. 4 Includes operating on roads which road salt has been applied.5 Inspect thickness measurement and disc runout.6 Refer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.7 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
19-TCS-14198 MY 21 WMG 4RUNNER 2.indd 497/30/20 5:00 PM

53Maintenance Log
MAINTENANCE LOG
MAINTENANCE
120,000 miles or 144 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Lubricate propeller shaft
Replace cabin air filter
Replace engine air filter
Replace engine oil and oil filter2
Replace spark plugs5
Re-torque propeller shaft bolt
Rotate tires
Inspect the following: _ Automatic transmission for signs of leakage
_ Ball joints and dust covers
_ Brake lines and hoses
_ Brake linings/drums and brake pads/discs
6
_Drive belts
_ Drive shaft boots (4WD)
_ Engine coolant
7
_Exhaust pipes and mountings
_ Front differential oil (4WD)

Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Replace transfer case oil (4WD)
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:8
Replace automatic transmission fluid
Replace front differential oil (4WD)
Replace rear differential oil
Replace transfer case oil (4WD)
Tighten nuts and bolts on chassis and body
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
1
Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed
component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect
power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant
level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on
inspection results.
2 Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the
multi-information display after maintenance at every 5,000 miles.
3 Perform these service items only if you drive primarily under the conditions indicated. 4 Includes operating on roads which road salt has been applied.5 Maintenance services of spark plugs are required under the terms of the Emissions Control Warranty.6 Inspect thickness measurement and disc runout.7 Refer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.8 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
_
Fuel lines and connections, fuel tank band
and fuel tank vapor vent system hoses
_ Fuel tank cap gasket
_ Radiator and condenser
_ Rear differential oil
_ Steering gear
_ Steering linkage and boots
_ Transfer case oil (4WD)
19-TCS-14198 MY 21 WMG 4RUNNER 2.indd 537/30/20 5:00 PM

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 Toyota 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
Lubricate the propeller shaft spiders and
slide yokes with lithium-base chassis
grease and the double cardan joint with
molybdenum-disulde lithium-base
chassis grease, and re-torque the bolt.
Only a qualied technician should perform
this operation.
19-TCS-14198 MY 21 WMG 4RUNNER 2.indd 567/30/20 5:00 PM