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Mitsubishi Check Coolant Level or Add Antifreeze

This guide provides procedures on how to check and add coolant to a Mitsubishi.

Mitsubishi Check Coolant Level or Add Antifreeze
ESTIMATED TIME 10 min
DIY COST $10-$25
DIFFICULTY Very Easy

 

engine coolant level low warning lightYour Mitsubishi may be low on coolant if:

  • Engine overheats
  • Engine coolant light comes on.
  • Low coolant level error message on dashboard

If the Mitsubishi is overheating or the temperature light comes on, there is a high chance that the engine coolant level is low.

Pullover, turn off the engine, allow the engine to cool down, and check the engine coolant level. See the instructions below. 

What you need 

Procedure

  1. Allow the engine to cool down. Mitsubishi Engine

     

  2. Open the hood by pulling the hood release under the dashboard. 
  3. Locate the overflow tank and look at the side of it to determine the current coolant level. Engine coolant reservoir mitsbuishiIt should be between MIN and MAX marks.  check mitsubishi engine coolant levelThe overflow tank for the radiator should be just behind the radiator or passenger side of the engine. 
  4. If the level is below the MIN mark, open the cap and add pre-mixed engine coolant. 
  5. Look on the side of the overflow tank again to re-check the coolant level. Ideally, the level should be in the middle.  
  6. Start the engine and ensure the engine does not overheat and the coolant level does not drop. 

If the engine coolant reserve tank needs coolant after you refill it, you may need to add coolant to the radiator. Wait for the engine to cool down, then remove the radiator cap and coolant directly to the radiator.

Mitsubishi radiator cap

Do not drive if your Mitsbusihi continues to overheat or lose coolant. Continuing to drive with an overheated engine can lead to permanent engine damage. 

What type/color is Mitsubishi coolant

Mitsubishi recommends using the OEM coolant, which is Mitsubishi Motors Super Long Life Coolant Premium. The coolant color for Mitsubishi is BLUE.

If you are using an aftermarket coolant, it needs to be ethylene glycol-based non-silicate, non-amine, non-nitrate, and non-borate coolant with long-life hybrid organic acid technology. Do not use alcohol or methanol antifreeze. 

The coolant needs to be mixed with 50% water and 50% antifreeze. 

Why is my Mitsubishi overheating? 

Common problems that lead to a Mitsubishi to overheat include: 

  • Faulty thermostat
  • Weak radiator cap
  • Low engine coolant level
  • Cracked radiator housing
  • Bad water pump

Have a certified auto mechanic perform a diagnostic on your vehicle to find out what is wrong. 

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Mitsubishi Check Coolant Level or Add Antifreeze This guide provides procedures on how to check and add coolant to a Mitsubishi.