TOYOTA SIENNA 2018 Warranties & Maintenance Guides (in English)

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95,000 miles or 114 months
Add Toyota EFI Tank Additive or
equivalent (Hawaii, Puerto Rico,
Saipan, and American Samoa only)
Check installation of driver’s floor matInspect and adjust all fluid levels1
Inspect wiper bladesRotate tiresVisually 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 coversInspect drive shaft bootsInspect engine air filterInspect steering linkage and bootsRe-torque drive shaft bolt (4WD)Re-torque propeller shaft bolt (4WD)4
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 loading7:Re-torque propeller shaft bolt (4WD)4
Replace engine oil and oil filter2
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
DEALERSERVICEVERIFICATION:
D
AT E:
M
ILEAGE:
100,000 miles or 120 months
Add Toyota EFI Tank Additive or
equivalent (Hawaii, Puerto Rico,
Saipan, and American Samoa only)
Check installation of driver’s floor matInspect and adjust all fluid levels1
Inspect wiper bladesReplace engine coolant5
Replace engine oil and oil filter2
Rotate tiresVisually inspect brake linings/drums
and brake pads/discs
Additional Maintenance Items for
Special Operating Conditions
3
Driving on dirt roads or dusty roads:Inspect ball joints and dust coversInspect drive shaft bootsInspect engine air filterInspect steering linkage and bootsRe-torque drive shaft bolt (4WD)Re-torque propeller shaft bolt (4WD)4
Tighten nuts and bolts on chassis
and body
Driving while towing, using a car-top
carrier, or heavy vehicle loading7:Re-torque propeller shaft bolt (4WD)4
Tighten nuts and bolts on chassis
and body
DEALERSERVICEVERIFICATION:
D
AT E:
M
ILEAGE:
Maintenance Log
MAINTENANCE
Maintenance Log50

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105,000 miles or 126 months
Add Toyota EFI Tank Additive or
equivalent (Hawaii, Puerto Rico, Saipan,
and American Samoa only)
Check installation of driver’s floor matInspect and adjust all fluid levels1
Inspect wiper blades
Re-torque drive shaft bolt (4WD)Re-torque propeller shaft bolt (4WD)Rotate tiresVisually 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:_ Ball joints and dust covers
_ Brake lines and hoses
_ Cabin air filter
_ Drive belts
_ Drive shaft boots
_ Engine coolant
6
_ Exhaust pipes and mountings
_ Radiator and condenser
_ Rear differential oil (4WD)
_ Steering gear
_ Steering linkage and boots
_ Transfer case oil (4WD)
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 air flow from the air conditioner and heater or if the windows fog easily when
you use the Freshmode. Consult your dealer if any of these conditions occur.
Additional Maintenance Items for Special Operating Conditions
3
Driving on dirt roads or dusty roads:Inspect engine air filterReplace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading7:Replace engine oil and oil filter2
Replace rear differential oil (4WD)Replace transfer case oil (4WD)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
DEALERSERVICEVERIFICATION:
D
AT E:
M
ILEAGE:
1Inspect 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.
2Reset 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.
3Perform these service items only if you drive primarily under the conditions indicated.4Includes operating on roads which road salt has been applied.5Initial 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.
6Refer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more
information.
7Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Maintenance Log
MAINTENANCE
Maintenance Log51

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110,000 miles or 132 months
Add Toyota EFI Tank Additive or
equivalent (Hawaii, Puerto Rico,
Saipan, and American Samoa only)
Check installation of driver’s floor matInspect and adjust all fluid levels1
Inspect wiper bladesReplace engine oil and oil filter2
Rotate tiresVisually inspect brake linings/drums
and brake pads/discs
Additional Maintenance Items for
Special Operating Conditions
3
Driving on dirt roads or dusty roads:Inspect ball joints and dust coversInspect drive shaft bootsInspect engine air filterInspect steering linkage and bootsRe-torque drive shaft bolt (4WD)Re-torque propeller shaft bolt (4WD)4
Tighten nuts and bolts on chassis
and body
Driving while towing, using a car-top
carrier, or heavy vehicle loading8:Re-torque propeller shaft bolt (4WD)4
Tighten nuts and bolts on chassis
and body
DEALERSERVICEVERIFICATION:
D
AT E:
M
ILEAGE:
115,000 miles or 138 months
Add Toyota EFI Tank Additive or
equivalent (Hawaii, Puerto Rico,
Saipan, and American Samoa only)
Check installation of driver’s floor matInspect and adjust all fluid levels1
Inspect wiper bladesRotate tiresVisually 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 coversInspect drive shaft bootsInspect engine air filterInspect steering linkage and bootsRe-torque drive shaft bolt (4WD)Re-torque propeller shaft bolt (4WD)4
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 loading8:Re-torque propeller shaft bolt (4WD)4
Replace engine oil and oil filter2
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
DEALERSERVICEVERIFICATION:
D
AT E:
M
ILEAGE:
Maintenance Log
MAINTENANCE
Maintenance Log52

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120,000 miles or 144 months
Add Toyota EFI Tank Additive or
equivalent (Hawaii, Puerto Rico, Saipan,
and American Samoa only)
Check installation of driver’s floor matInspect and adjust all fluid levels1
Inspect wiper bladesRe-torque drive shaft bolt (4WD)
Re-torque propeller shaft bolt (4WD)Replace cabin air filterReplace engine air filterReplace engine oil and oil filter2
Replace spark plugs5
Replace vacuum pump for brake boosterRotate tires
Inspect the following:_ Automatic transmission fluid coolerhoses and connections
_ 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
_ Engine coolant
7
_ Exhaust pipes and mountings
_ Fuel lines and connections, fuel tankband and fuel tank vapor vent system
hoses
_ Fuel tank cap gasket
_ Radiator and condenser
_ Rear differential oil (4WD)
_ Steering gear
_ Steering linkage and boots
_ Transfer case oil (4WD)
Additional Maintenance Items for Special Operating Conditions
3
Driving on dirt roads or dusty roads:Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading8:Replace automatic transmission fluidReplace rear differential oil (4WD)Replace transfer case oil (4WD)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
DEALERSERVICEVERIFICATION:
D
AT E:
M
ILEAGE:
1Inspect 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.
2Reset 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.
3Perform these service items only if you drive primarily under the conditions indicated.4Includes operating on roads which road salt has been applied.5Maintenance services of spark plugs are required under the terms of the Emissions Control Warranty.6Inspect thickness measurement and disc runout.7Refer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more
information.
8Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Maintenance Log
MAINTENANCE
Maintenance Log53

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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 qualified
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 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.
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 qualified technician
should perform these operations.
Brake Lines and Hoses
Visually inspect for proper installation.
Check for chafing, cracks, deterioration
and signs of leakage. Replace any
deteriorated or damaged parts. A qualified
technician should perform these
operations.
Brake Linings/Drums and Brake
Pads/Discs
Check the brake linings (shoes) and
drums for scoring, burning, fluid leakage,
broken parts and excessive wear. Check
the pads for excessive wear and the discs
for runout, excessive wear and fluid
leakage. Replace any deteriorated or
damaged parts. A qualified technician
should perform these operations.
Cabin Air Filter
Replace at specified intervals. Driving in
heavy traffic, on dirt roads or in urban,
desert or dusty areas may shorten filter’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.
Explanation of Maintenance Items
Maintenance Log54
MAINTENANCE

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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. 4WD
models also require periodic inspection of
the drive shaft bolt for proper torque. A
qualified 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
Replace at specified intervals. When
performing inspections, check for damage,
excessive wear and oiliness, and replace if
necessary.
Engine Coolant
Drain the cooling system and refill with an
ethylene-glycol type coolant. Inspect hoses
and connections for corrosion and leaks.
Tighten connections and replace parts
when necessary. A qualified 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
Maintenance Log55
MAINTENANCE

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Engine Oil and Oil Filter
Replace the oil filter and drain and refill
the engine oil at specified intervals. For
recommended oil grade and viscosity,
refer to the
Owner’s Manual.
NOTE: Your vehicle is certified with
Genuine Toyota 0W20 motor oil. For
VEHICLES CERTIFIED FOR 0W20 motor
oil, the oil change interval is 10,000 miles
or 12 months IF 0W20 MOTOR OIL IS
BEING USED. If 0W20 is not available,
5W20 mineral oil may be used. However,
it must be replaced at A 5,000 miles or
6 month INTERVAL with 0W20 motor oil.
For customers who primarily drive their
vehicle under any of the listed Special
Operating Conditions, the motor oil and
filter should be replaced at 5,000 miles or
6 months, REGARDLESS OF THE OIL
USED (OR CERTIFICATION OF THE
VEHICLE).
Exhaust Pipes and Mountings
Visually inspect the exhaust pipes, muffler
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.
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
Re-tighten the seat-mounting bolts and
front/rear suspension member retaining
bolts to specified torque.
Propeller Shaft
Re-torque the propeller shaft bolt. Only a
qualified technician should perform this
operation.
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.
Explanation of Maintenance Items
Maintenance Log56
MAINTENANCE

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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.
Explanation of Maintenance Items
Maintenance Log57
MAINTENANCE

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Model
In-service date
Selling dealership
Key number
Body style
Mileage at delivery
Selling dealership phone number
Vehicle Identification Number
Vehicle Identification
MAINTENANCE
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Notes
MAINTENANCE
Maintenance Log59