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1.Remove the engine room under cover front A Refer to GROUP 51 - Under Cover  ).
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2.
| warning |
When removing the radiator condenser tank cap, use care to avoid contact with hot engine coolant or steam. Place a shop towel over the radiator condenser tank cap and turn the radiator condenser tank cap anti-clockwise a little to let the pressure escape through the vinyl tube. After relieving the steam pressure, remove the radiator condenser tank cap by slowly turning it anti-clockwise.
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Drain the engine coolant from the radiator, heater core and engine after unplugging the radiator drain plug and removing the radiator condenser tank cap.
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3.Remove the engine room under cover front B (Refer to GROUP 51 - Under Cover ).
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4.Drain the engine coolant in the water jacket by disconnect the engine oil cooler hose.
5.Remove the radiator condenser tank and drain the engine coolant.
6.Reinstall the radiator condenser tank.
7.Drain the engine coolant then clean the path of the engine coolant by injecting water from the radiator condenser tank cap area.
8.Connect the engine oil cooler hose.
9.Securely tighten the radiator drain plug.
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10.
| caution |
Do not use alcohol or methanol anti-freeze or any engine coolants mixed with alcohol or methanol anti-freeze. The use of an improper anti-freeze can cause corrosion of the aluminium components.
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By referring to the section on engine coolant, select an appropriate concentration for safe operating temperature within the range of 50%. Use special tool LLC changer (MB991871) to refill the engine coolant to the "FULL" line of the radiator condenser tank. A convenient mixture is a 50% water and 50% antifreeze solution.
Recommended antifreeze: BASF Glysantin Alu Protect Premium/G30
Quantity: 7.5 L
(includes 0.62 L in the radiator condenser tank)
| note |
For how to use special tool MB991871, refer to its manufacturer’s instructions.
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11.Tighten the radiator condenser tank cap securely.
12.Turn the A/C switch to OFF position to start the engine and warm up until the radiator fan operates.
| note |
This work is to open the thermostat fully.
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13.Rev the engine several times and then stop it. Check that there are no engine coolant leaks.
14.
| caution |
Do not overfill the radiator condenser tank.
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Remove the radiator condenser tank cap with the engine cool, and then refill the engine coolant again to the "FULL" line of the radiator condenser tank.
15.Reinstall the engine room under cover front A, B (Refer to GROUP 51 - Under Cover ).
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