Sienna AWD V6-3.3L (3MZ-FE) (2004)
Coolant: Service and Repair
ENGINE COOLANT
REPLACEMENT
1. DRAIN COOLANT
a. Remove the radiator cap from the water outlet.
CAUTION: To avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot. Thermal
expansion will cause hot engine coolant and steam to blow out from the radiator.
b. Loosen the radiator drain plug and the 2 drain cock plugs, and drain the coolant.
c. Close the 2 drain cock plugs.
Torque: 13 Nm (130 kgf-cm, 9 ft. lbs.)
2. ADD COOLANT
a. Slowly fill the cooling system with coolant.
HINT:
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Use of improper coolants may damage engine cooling system.
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Use "Toyota Long Life Coolant" or equivalent and mix it with plain water according to the manufacturer's directions.
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Using of coolant with includes more than 50% (freezing protection down to -35°C (-31°F) or 60% (freezing protection down to -50°C
(-58°F)) of ethylene-glycol is recommended but not more than 70%.
DO NOT FURTHER DILUTE PRE-MIXED MANUFACTURER APPROVED ETHYLENE GLYCOL BASED COOLANT IF
USED.
NOTICE:
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Do not use an alcohol type coolant or plain water alone.
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The coolant should be mixed with plain water (preferably demineralized water).
Capacity: 11.7 liters (12.4 US qts., 10.3 Imp. qts.)
3. CHECK FOR ENGINE COOLANT LEAKS
a. Fill the radiator with coolant and attach a radiator cap tester.
b. Pump it to 118 kPa (1.2 kgf/cm2), and check for leakage.