PROCEDURE
REMOVE V-BANK COVER SUB-ASSEMBLY
REMOVE ENGINE ROOM SIDE COVER
REMOVE COOL AIR INTAKE DUCT SEAL
DRAIN ENGINE COOLANT
CAUTION:
Do not remove the radiator cap or reservoir tank cap while the engine and radiator are still hot. Pressurized hot engine coolant and steam may be released and cause serious burns.
Loosen the radiator drain cock plug.
| *1 | Radiator Cap | *2 | Reservoir Tank Cap |
| *3 | Radiator Reservoir Tank | *4 | Radiator Drain Cock Plug |
| *5 | Cylinder Block Drain Cock Plug | - | - |
Remove the reservoir tank cap and drain the coolant.
Tech Tips
Collect the coolant in a container and dispose of it according to the local regulations.
Loosen the cylinder block drain cock plug and drain the coolant from the engine.
ADD ENGINE COOLANT
CAUTION:
Do not remove the radiator cap or reservoir tank cap while the engine and radiator are still hot. Pressurized hot engine coolant and steam may be released and cause serious burns.
Tech Tips
Before starting the engine to warm up the engine, turn the A/C switch off.
Tighten the cylinder block drain cock plug.
Tighten the radiator drain cock plug.
Remove the reservoir tank cap and radiator cap.
| *a | [GR-HV] B Line |
Add coolant through the radiator reservoir tank filler opening until the coolant reaches the "[GR-HV] B" line and install the reservoir tank cap.
| Standard Capacity | ||||||
|---|---|---|---|---|---|---|
|
Note
Never use water as a substitute for engine coolant.
Tech Tips
TOYOTA vehicles are filled with TOYOTA SLLC at the factory. In order to avoid damage to the engine cooling system and other technical problems, only use TOYOTA SLLC or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, non-borate coolant with long-life hybrid organic acid technology (coolant with long-life hybrid organic acid technology is a combination of low phosphates and organic acids).
Add engine coolant to the coolant filler opening and install the radiator cap.
Tech Tips
Press the No. 1 and No. 2 radiator hoses several times by hand, and then check the level of the coolant.
Put the engine in inspection mode Click here. [*1]
Warm up the engine until the thermostat opens. While the thermostat is open, circulate the coolant for several minutes. [*2]
CAUTION:
Wear protective gloves.
Be careful as the radiator hoses are hot.
Keep your hands away from the radiator fans.
Note
Immediately after starting the engine, if the radiator reservoir tank does not have any coolant, perform the following: 1) stop the engine, 2) wait until the coolant has cooled down, and 3) add coolant.
Do not start the engine when there is no coolant in the radiator reservoir tank.
Make sure that the needle does not show an abnormally high temperature.
If there is not enough coolant, the engine may overheat.
Tech Tips
Press the No. 1 and No. 2 radiator hoses several times by hand, and then check the level of the coolant.
The thermostat open timing can be confirmed by pressing the No. 2 radiator hose by hand, and checking when the engine coolant starts to flow inside the hose.
Stop the engine, and wait until the engine coolant cools down to ambient temperature. [*3]
Check the coolant level in the radiator reservoir tank. [*4]
Tech Tips
If the coolant level is below the "Low" line, add coolant through the radiator reservoir tank filler opening until the coolant reaches the "[GR-HV] B" line and repeat steps [*1] through [*4].
If the coolant level is above the "FULL" line, drain coolant until the coolant level is between the "FULL" and "LOW" line.
INSPECT FOR COOLANT LEAK
INSTALL COOL AIR INTAKE DUCT SEAL
INSTALL ENGINE ROOM SIDE COVER
INSTALL V-BANK COVER SUB-ASSEMBLY