14. Engine Coolant: Change

Check the cooling system parts such as the radiator, heater and oil cooler hoses, thermostat and their connections for leakage and damage.

1. Drain the engine coolant from the radiator, heater core and engine after unplugging the radiator drain plug and removing the radiator cap.
2. Disconnect the water hose <M/T> or cooling water line hose <CVT>, and drain the engine coolant in the water jacket.
   Fig 1: Identifying Cooling Water Line Hose And Engine Front Roll Stopper Bracket

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
3. Drain the water in the water jacket by unplugging the drain plug of the cylinder block.
   Fig 2: Identifying Front Roll Stopper And Water Feed Hose B

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. Remove the radiator condenser tank and drain the engine coolant.
   Fig 3: Locating Cylinder Block Drain Plug (2.4L Engine - Exhaust Side)

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   Fig 4: Locating Cylinder Block Drain Plug (3.0L Engine - Left Bank Side)

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
5. Connect the water hose <M/T> or cooling water line hose <CVT>.
6. Replace the cylinder block drain plug gasket, and tighten the drain plug to the specified torque.
   Fig 5: Identifying Cylinder Block Drain Plug And Gasket

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

   Tightening torque: 39 ± 3 N.m (29 ± 2 ft-lb) 2.4L 

   Tightening torque: 29 ± 5 N.m (29 ± 2 ft-lb) 3.0L Left bank side 

7. Securely tighten the radiator drain plug.
8. Reinstall the radiator condenser tank.

   Tightening torque: 140 ± 5 N.m (29 ± 2 ft-lb) 3.0L Right bank side 

   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 aluminum components.
9. Use special tool MB991871 to refill the engine coolant up to the top of the radiator port.

   Recommended antifreeze: DIA QUEEN SUPER LONG LIFE COOLANT PREMIUM or equivalent* 

   *: similar high quality ethylene glycol based non-silicate, non-amine, non-nitrate and non-borate coolant with long life hybrid organic acid technology 

   Quantity: 9.5 dm ³  (10.0 quarts) Automatic Transaxle 

   Quantity: 7.5 dm ³  (7.9 quarts) CVT 

   [includes 0.65 dm ³  (0.69 quarts) in the radiator condenser tank] 

   Fig 6: Refilling Engine Coolant Using Special Tool MB991871

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   NOTE: For how to use special tool MB991871, refer to its manufacturer's instructions.
10. Tighten the radiator cap securely.
11. Remove the radiator condenser tank cap, and add the engine coolant up to the "FULL" line.
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.
13. Rev the engine several times and then stop it. Check that there are no engine coolant leaks.
14. Remove the radiator cap with the engine cool, and then refill the engine coolant up to the top of the radiator port.
15. Tighten the radiator cap securely.
    CAUTION: Do not overfill the radiator condenser tank assembly.
16. Remove the radiator condenser tank cap, and add the engine coolant up to the "FULL" line.