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Toyota Tundra 2WD V8-4.7L (2UZ-FE) (2003)03 · Maintenance
03 · Maintenance

Coolant: Specifications (page 3 of 3)

Make
Toyota
Model
Tundra 2WD
Engine
V8-4.7L (2UZ-FE)
Year
2003
Section
Fluids › Coolant
MaintenanceSpecifications · page 3 of 3
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Coolant: Service and Repair

REPLACEMENT

1. REMOVE ENGINE UNDER COVER
2. DRAIN ENGINE COOLANT

a. Remove the radiator cap.

CAUTION:  To avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid
and steam can be blown out under pressure.

b. Remove the 3 drain plugs on the engine and radiator, and drain the coolant.
c. Close the 3 drain plugs.

Torque: 12.7 Nm (130 kgf-cm, 9 ft. lbs.) for engine

3. REFILL WITH ENGINE COOLANT

a. Slowly fill the system with coolant.

-

Use of improper coolants may damage engine cooling system.

-

Use "TOYOTA Long Life Coolant" or equivalent and mix it with plain water according to the manufacturer's directions.

-

Use of the coolant which 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:  
-

Do not use an alcohol type coolant or plain water alone.

-

The coolant should be mixed with plain water (preferably demineralized water or distilled water).

Capacity: 11.6 liters (12.3 US qts, 10.2 Imp. qts)

b. Install the radiator cap.
c. Bleed the cooling system.

1. Start the engine, and open the heater water valve. 
2. Maintain the engine speed at 2,000 - 2,500 rpm, and warm up the engine.

d. Stop the engine, and wait until the engine coolant cools down.
e. Refill coolant into the reservoir until it is "FULL".

4. CHECK FOR ENGINE COOLANT LEAKS
5. CHECK ENGINE COOLANT SPECIFIC GRAVITY CORRECTLY
6. REINSTALL ENGINE UNDER COVER

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Parts & tools for this job For 2003 Toyota Tundra 4.7L

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