coolant temperature TOYOTA 4RUNNER 2021 Warranties & Maintenance Guides (in English)

39Maintenance Log
MAINTENANCE LOG
MAINTENANCE
15,000 miles or 18 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Lubricate propeller shaft
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following:
_Ball joints and dust covers _
Front differential oil (4WD)
_ Brake lines and hoses _
Radiator and condenser
_ Cabin air filter _
Rear differential oil
_ Drive shaft boots (4WD)
_ Steering gear
_ Engine coolant5 _ Steering linkage and boots
_ Exhaust pipes and mountings





Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect engine air filter
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
Replace engine oil and oil filter2
Replace front differential oil (4WD)
Replace rear differential oil
Tighten nuts and bolts on chassis and body
Repeated trips of less than five miles in temperatures below 32°F / 0°C:
Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or
door-to-door delivery use:
Replace engine oil and oil filter2
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
Re-torque propeller shaft bolt
Rotate tires
Visually inspect brake linings/drums
and brake pads/discs
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten
the life of the cabin air filter. Replacement may be needed if you notice reduced airflow
from the air conditioner and heater or if the windows fog easily when you use the "Fresh"
mode. Consult your dealer if any of these conditions occur.
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 Refer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.6 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 397/30/20 5:00 PM

43Maintenance Log
MAINTENANCE LOG
MAINTENANCE
Re-torque propeller shaft bolt
Rotate tires
Visually inspect brake linings/drums
and brake pads/discs
45,000 miles or 54 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Lubricate propeller shaft
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following:
_Ball joints and dust covers _
Front differential oil (4WD)
_ Brake lines and hoses _
Radiator and condenser
_ Cabin air filter _
Rear differential oil
_ Drive shaft boots (4WD)
_ Steering gear
_ Engine coolant5 _ Steering linkage and boots
_ Exhaust pipes and mountings





Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect engine air filter
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
Replace engine oil and oil filter2
Replace front differential oil (4WD)
Replace rear differential oil
Tighten nuts and bolts on chassis and body
Repeated trips of less than five miles in temperatures below 32°F / 0°C:
Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or
door-to-door delivery use:
Replace engine oil and oil filter2
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten
the life of the cabin air filter. Replacement may be needed if you notice reduced airflow
from the air conditioner and heater or if the windows fog easily when you use the "Fresh"
mode. Consult your dealer if any of these conditions occur.
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 Refer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.6 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 437/30/20 5:00 PM

47Maintenance Log
Re-torque propeller shaft bolt
Rotate tires
Visually inspect brake linings/drums and
brake pads/discs
75,000 miles or 90 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Lubricate propeller shaft
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following:
_Ball joints and dust covers _
Exhaust pipes and mountings
_ Brake lines and hoses _
Front differential oil (4WD)
_ Cabin air filter _
Radiator and condenser
_ Drive belts _
Rear differential oil
_ Drive shaft boots (4WD) _
Steering gear
_ Engine coolant
5 _
Steering linkage and boots





Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect engine air filter
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
Replace engine oil and oil filter2
Replace front differential oil (4WD)
Replace rear differential oil
Tighten nuts and bolts on chassis and body
Repeated trips of less than five miles in temperatures below 32°F / 0°C:
Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or
door-to-door delivery use:
Replace engine oil and oil filter2
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten
the life of the cabin air filter. Replacement may be needed if you notice reduced airflow
from the air conditioner and heater or if the windows fog easily when you use the "Fresh"
mode. Consult your dealer if any of these conditions occur.
MAINTENANCE LOG
MAINTENANCE
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 Refer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.6 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 477/30/20 5:00 PM

50Maintenance Log
MAINTENANCE LOG
MAINTENANCE
95,000 miles or 114 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Rotate tires
Visually inspect brake linings/drums
and brake pads/discs
NOTE: If 0W-20 oil WAS NOT used at
the last oil change, replace engine oil
and oil filter.
2
Additional Maintenance Items for
Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect ball joints and dust covers
Inspect drive shaft boots (4WD)
Inspect engine air filter
Inspect steering linkage and boots
Lubricate propeller shaft4
Replace engine oil and oil filter2
Re-torque propeller shaft bolt4
Tighten nuts and bolts on chassis
and body
Driving while towing, using a car-top
carrier, or heavy vehicle loading:
7
Lubricate propeller shaft4
Replace engine oil and oil filter2
R e-torque propeller shaft bolt4
Tighten nuts and bolts on chassis
and body
Repeated trips of less than five miles in
temperatures below 32°F / 0°C:
Replace engine oil and oil filter2
Extensive idling and/or low speed driving
for a long distance such as police, taxi
or door-to-door delivery use:
Replace engine oil and oil filter2


DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
100,000 miles or 120 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Replace engine coolant5
Replace engine oil and oil filter2
Rotate tires
Visually inspect brake linings/drums
and brake pads/discs
Additional Maintenance Items for
Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect ball joints and dust covers
Inspect drive shaft boots (4WD)
Inspect engine air filter
Inspect steering linkage and boots
Lubricate propeller shaft4
Re-torque propeller shaft bolt4
Tighten nuts and bolts on chassis
and body
Driving while towing, using a car-top
carrier, or heavy vehicle loading:
7
Lubricate propeller shaft4
Re-torque propeller shaft bolt4
Tighten nuts and bolts on chassis
and body
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
19-TCS-14198 MY 21 WMG 4RUNNER 2.indd 507/30/20 5:00 PM

51Maintenance Log
105,000 miles or 126 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Lubricate propeller shaft
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following:
_Ball joints and dust covers _
Exhaust pipes and mountings
_ Brake lines and hoses _
Front differential oil (4WD)
_ Cabin air filter _
Radiator and condenser
_ Drive belts _
Rear differential oil
_ Drive shaft boots (4WD) _
Steering gear
_ Engine coolant
6 _
Steering linkage and boots





Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect engine air filter
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
Replace engine oil and oil filter2
Replace front differential oil (4WD)
Replace rear differential oil
Tighten nuts and bolts on chassis and body
Repeated trips of less than five miles in temperatures below 32°F / 0°C:
Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or
door-to-door delivery use:
Replace engine oil and oil filter2
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten
the life of the cabin air filter. Replacement may be needed if you notice reduced airflow
from the air conditioner and heater or if the windows fog easily when you use the "Fresh"
mode. Consult your dealer if any of these conditions occur.
Re-torque propeller shaft bolt
Rotate tires
Visually inspect brake linings/drums and
brake pads/discs
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 Initial replacement at 100,000 miles/120 months. Replace every 50,000 miles/60 months thereafter. Refer to “Engine
Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.
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.
MAINTENANCE LOG
MAINTENANCE
19-TCS-14198 MY 21 WMG 4RUNNER 2.indd 517/30/20 5:00 PM