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Toyota Highlander 2WD V6-3.0L (1MZ-FE) (2003)03 · Maintenance
03 · Maintenance

Coolant: Specifications (page 2 of 2)

Make
Toyota
Model
Highlander 2WD
Engine
V6-3.0L (1MZ-FE)
Year
2003
Section
Fluids › Coolant
MaintenanceSpecifications · page 2 of 2
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Coolant: Service and Repair

REPLACEMENT 

1. ADD COOLANT 

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. 

a. Remove the radiator cap.
b. Loosen the radiator plug and drain the coolant.

2. CHECK FOR ENGINE COOLANT LEAKS

a. Tighten the radiator drain plug, and pour coolant into radiator until it overflows.

HINT:  
-

Press the radiator inlet and outlet hose several times with hand.

-

If the coolant level gets lower, pour coolant.

b. Tighten the radiator cap.
c. Pour engine coolant into the reservoir tank until it reaches full line.
d. Warm up the engine until the thermostat valve begins to open.

HINT:  Press the radiator inlet and outlet hose several times with hard during the warming up.

e. Stop the engine and wait until the coolant temp gets cold. Then remove the radiator cap to check the coolant level.
f.

If the level gets lower, perform the procedures above again.

g. If the level does not gets lower, adjust the reservoir tank coolant level.

3. INSPECT 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 leakage.

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Parts & tools for this job For 2003 Toyota Highlander 3.0L

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