check engine TOYOTA TACOMA 2021 Warranties & Maintenance Guides (in English)

45Maintenance Log
MAINTENANCE LOG
MAINTENANCE
60,000 miles or 72 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Lubricate propeller shaft (4WD)
Replace cabin air filter
Inspect the following: _ Automatic transmission fluid
cooler hoses and connections
_ Ball joints and dust covers
_ Brake lines and hoses
_ Brake linings/drums and
brake pads/discs
6
_ Drive belts7
_ Drive shaft boots (4WD)
_ Engine coolant8
_ Engine oil cooler hoses and
connections (2GR-FKS engine only)
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:9
Replace front differential oil (4WD)
Replace rear differential oil
Replace transfer case oil (4WD)
Replace transmission fluid or oil
Tighten nuts and bolts on chassis and body
Extensive idling and/or low speed driving for a long distance such as police, taxi or
door-to-door delivery use:
Replace automatic transmission fluid


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 Initial inspection at 60,000 miles/ 72 months. Inspect every 15,000 miles/18 months thereafter. 8
Refer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.9 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
_
Exhaust pipes and mountings
_ Front differential oil (4WD)
_ 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)
_ Transmission for signs of leakage
Replace engine air filter
Replace engine oil and oil filter2
Replace spark plugs (2GR-FKS engine only)5
Re-torque propeller shaft bolt
Rotate tires
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
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46Maintenance Log
MAINTENANCE LOG
MAINTENANCE
65,000 miles or 78 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 shaft (4WD)4
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:
6
Lubricate propeller shaft (4WD)4
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:
70,000 miles or 84 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect cabin air filter
Inspect wiper blades
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 shaft (4WD)4
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:
6
Lubricate propeller shaft (4WD)4
Re-torque propeller shaft bolt4
Tighten nuts and bolts on chassis
and body



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.
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47Maintenance Log
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 (4WD)
Re-torque propeller shaft bolt
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
Inspect the following:






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:
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.
_
Exhaust pipes and mountings
_ Front differential oil (4WD)
_ Radiator and condenser
_ Rear differential oil
_ Steering gear
_ Steering linkage and boots
_
Ball joints and dust covers
_ Brake lines and hoses
_
Drive belts
_ Drive shaft boots (4WD)
_ Engine coolant
5
_
Engine oil cooler hoses and
connections (2GR-FKS engine only)
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48Maintenance Log
MAINTENANCE LOG
MAINTENANCE
80,000 miles or 96 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Replace cabin air filter
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 shaft (4WD)4
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 shaft (4WD)4
Re-torque propeller shaft bolt4
Tighten nuts and bolts on chassis
and body

DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
85,000 miles or 102 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 shaft (4WD)4
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 shaft (4WD)4
Replace engine oil and oil filter2
Re-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:
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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 (4WD)
Inspect the following: _ Automatic transmission fluid
cooler hoses and connections
_ Ball joints and dust covers
_ Brake lines and hoses
_ Brake linings/drums and
brake pads/discs
5
_ Cabin air filter
_ Drive belts
_ Drive shaft boots (4WD)
_ Engine coolant
6
_ Engine oil cooler hoses and
connections (2GR-FKS engine only)







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 manual transmission oil
Replace rear differential oil
Replace transfer case oil (4WD)
Tighten nuts and bolts on chassis and body


_ Exhaust pipes and mountings
_ Front differential oil (4WD)
_ 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)
_ Transmission for signs of leakage
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.
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.
Replace engine air filter
Replace engine oil and oil filter2
Re-torque propeller shaft bolt
Rotate tires
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
169733_Tacoma_GUTS.indd 497/30/20 6:43 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 shaft (4WD)4
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 shaft (4WD)4
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 cabin air filter
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 shaft (4WD)4
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 shaft (4WD)4
Re-torque propeller shaft bolt4
Tighten nuts and bolts on chassis
and body

DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
169733_Tacoma_GUTS.indd 507/30/20 6:43 PM

51Maintenance Log
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.
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 (4WD)
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following:






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
_ Exhaust pipes and mountings
_ Front differential oil (4WD)
_ Radiator and condenser
_ Rear differential oil
_ Steering gear
_ Steering linkage and boots
_
Ball joints and dust covers
_ Brake lines and hoses
_ Drive belts
_ Drive shaft boots (4WD)
_ Engine coolant
6
_
Engine oil cooler hoses and
connections (2GR-FKS engine only)
Re-torque propeller shaft bolt
Rotate tires
Visually inspect brake linings/drums and
brake pads/discs
MAINTENANCE LOG
MAINTENANCEDEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
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52Maintenance Log
MAINTENANCE LOG
MAINTENANCE
110,000 miles or 132 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect cabin air filter
Inspect wiper blades
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 shaft (4WD)4
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:
8
Lubricate propeller shaft (4WD)4
Re-torque propeller shaft bolt4
Tighten nuts and bolts on chassis
and body
DEALER SERVICE VERIFICATION:
D
ATE:
MILEAGE:
115,000 miles or 138 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 shaft (4WD)4
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:
8
Lubricate propeller shaft (4WD)4
Replace engine oil and oil filter2
Re-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:
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.
169733_Tacoma_GUTS.indd 527/30/20 6:43 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 (4WD)
Replace cabin air filter
Replace engine air filter
Replace engine oil and oil filter2
Inspect the following: _ Automatic transmission fluid
cooler hoses and connections
_ Ball joints and dust covers
_ Brake lines and hoses
_ Brake linings/drums and brake pads/discs
6
_ Drive belts
_ Drive shaft boots (4WD)
_
Engine coolant7
_ Engine oil cooler hoses and
connections (2GR-FKS engine only)
_
Exhaust pipes and mountings
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 front differential oil (4WD)
Replace rear differential oil
Replace transfer case oil (4WD)
Replace transmission fluid or oil
Tighten nuts and bolts on chassis and body
Extensive idling and/or low speed driving for a long distance such as police, taxi or
door-to-door delivery use:
Replace automatic transmission fluid
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.
_
Front differential oil (4WD)
_ 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)
_ Transmission for signs of leakage
Replace spark plugs5
Replace vacuum pump for brake
booster (2GR-FKS engine only;
if equipped)
Re-torque propeller shaft bolt
Rotate tires
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55Maintenance Log
MAINTENANCE
Drive Shaft Boots
Check the drive shaft boots and clamps for
cracks, deterioration and damage. Replace
any deteriorated or damaged parts and, if
necessary, repack the grease. A qualied
technician should perform these operations.
Driver’s Floor Mat
• Only use the driver’s floor mat
designed specifically for the model
and model year of your vehicle.
• Always properly secure the driver’s
floor mat using the retaining hooks.
• Never install another floor mat on top
of the existing driver’s floor mat.
• Never install the driver’s floor mat
upside down.
Engine Air Filter
Inspect or replace at specied intervals.
When performing inspections, check for
damage, excessive wear and oiliness, and
replace if necessary.
Engine Coolant
Drain the cooling system and rell with an
ethylene-glycol type coolant. Inspect hoses
and connections for corrosion and leaks.
Tighten connections and replace parts
when necessary. A qualied technician
should perform these operations. (For
further details, refer to “Radiator, Condenser
and Hoses” in the “Maintenance and Care”
section of the Owner’s Manual ).
Your Toyota is equipped with Genuine
Toyota Super Long-Life Coolant. The
replacement intervals for engine coolant
recommended in this booklet are based
on replacement with Genuine Toyota
Super Long-Life Coolant or similar
high-quality non-silicate, non-amine,
non-borate ethylene-glycol coolant with
long-life hybrid organic acid technology
(i.e., a combination of low phosphates
and organic acids). If another type of
ethylene-glycol coolant is used,
replacement intervals may be different.
EXPLANATION OF MAINTENANCE ITEMS
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