Engine Coolant Replacement: Notes

Required Special Tool: 

• MB991871: LLC Changer

1. Remove the engine room under cover front (Refer to UNDER COVER ).
   WARNING: When removing the radiator cap, use care to avoid contact with hot coolant or steam. Place a shop towel over the cap and turn the cap counterclockwise a little to let the pressure escape through the vinyl tube. After relieving the steam pressure, remove the cap by slowly turning it counterclockwise.
2. Drain the engine coolant from the radiator, heater core and engine after unplugging the radiator drain plug and removing the radiator cap.
3. Drain the engine coolant in the water jacket by unplugging the drain plug of the cylinder block.
4. Remove the condenser tank and drain the engine coolant.
   Fig 1: Cylinder Block Drain Plug And Drive Shaft Assembly (RH)

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
5. Replace the gasket, and tighten the cylinder block drain plug to the specified torque.

   Tightening torque: 25 ± 3 N.m (18 ± 2 ft-lb) 

6. Securely tighten the drain plug of the radiator.
7. Reinstall the condenser tank.
   Fig 2: Cylinder Block Drain Plug And Gasket

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   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.
   • Use the MITSUBISHI MOTORS GENUINE SUPER LONG LIFE COOLANT PREMIUM without adding water because the concentration is preadjusted to 50 percent.
8. Use special tool MB991871 to refill the engine coolant up to the top of the radiator port.

   Recommended antifreeze: MITSUBISHI MOTORS GENUINE SUPER LONG LIFE COOLANT PREMIUM or equivalent* 

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

   Quantity (Includes volume inside condense tank): 

   • M/T: 4.0 dm³ (4.2 quarts)
   • CVT: 4.6 dm³ (4.8 quarts)
   NOTE: For how to use special tool MB991871, refer to its manufacturer's instructions.
   Fig 3: Refilling Engine Coolant

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
9. Tighten the radiator cap securely.
10. Remove the condenser tank cap, and add the engine coolant up to the "F" line of the condenser tank.
11. Turn the A/C switch to OFF position to start the engine and warm up until the cooling fan operates.
    NOTE: This work is to open the thermostat fully.
12. Rev the engine several times and then stop it. Check that there are no coolant leaks.
13. Remove the radiator cap with the engine cool, and then refill the engine coolant up to the top of the radiator port.
14. Tighten the radiator cap securely.
    CAUTION: Do not overfill the condenser tank.
15. Remove the condenser tank cap, and add the engine coolant up to the "F" line of the condenser tank.
16. Install the engine room under cover front (Refer to UNDER COVER ).