Mitsubishi Outlander manuals

Mitsubishi Outlander: On-vehicle Service

ENGINE COOLANT LEAK CHECK

WARNING

When pressure testing the cooling system, slowly release cooling system pressure to avoid getting burned by hot coolant.

CAUTION

1. Check that the coolant level is up to the filler neck. Install a radiator tester and apply 160 kPa (23 psi) pressure, and then check for leakage from the radiator hose or connections.

2. If there is leakage, repair or replace the appropriate part.

Mitsubishi Outlander. Engine Cooling

RADIATOR CAP OPENING PRESSURE CHECK

NOTE: Be sure that the cap is clean before testing. Rust or other foreign material on the cap seal will cause an improper reading.

1. Use a cap adapter to attach the cap to the tester.

2. Increase the pressure until the indicator of the gauge stops moving.

Minimum limit: 83 kPa (12 psi)
Standard value: 93 − 123 kPa (14 − 18 psi)

3. Replace the radiator cap if the reading does not remain at or above the limit.

Mitsubishi Outlander. Engine Cooling

ENGINE COOLANT CHANGE

Required Special Tool:

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.

1. Drain the water from the radiator, heater core and engine after unplugging the radiator drain plug and removing the radiator cap.

2. Disconnect the cooling water line hose and drain the coolant in the water jacket. <2.4L ENGINE>

Mitsubishi Outlander. Engine Cooling

3. Disconnect the water feed hose B and drain the coolant in the water jacket. <3.0L ENGINE>

Mitsubishi Outlander. Engine Cooling

4. Drain the water in the water jacket by unplugging the drain plug of the cylinder block.

5. Remove the radiator condenser tank assembly and drain the coolant.

6. Connect the cooling water line hose. <2.4L ENGINE>

7. Connect the water feed hose B. <3.0L ENGINE>

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

8. Replace the cylinder block drain plug gasket, and tighten the drain plug to the specified torque.

Tightening torque:
39 +- 3 N*m <2.4L ENGINE>
29 +- 5 N*m <3.0L ENGINE-Left bank side>
140 +- 5 N*m <3.0L ENGINE-Right bank side>

9. Install the radiator condenser tank assembly.

10.Securely tighten the radiator drain plug.

11.Assemble the radiator condenser tank assembly.

Mitsubishi Outlander. Engine Cooling

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.

12.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 dm3 (10.0 quarts) <Automatic transaxle>
7.5 dm3 (7.9 quarts) <CVT>
[includes 0.65 dm3 (0.69 quarts) in the radiator condenser tank]

Mitsubishi Outlander. Engine Cooling

13.Reinstall the radiator cap.

14.Start the engine and let it warm up until the thermostat opens.

15.After repeatedly revving the engine up to 3,000 r/min several times, stop the engine.

16.Remove the radiator cap after the engine has cooled, and pour in coolant up to the brim. Reinstall the cap.

CAUTION

Do not overfill the radiator condenser tank assembly.

17.Add coolant to the radiator condenser tank assembly between the "FULL" and "LOW" mark if necessary.

WATER PUMP COOLANT LEAK CHECK

If a residue of the coolant draining is found on the drain hole, the vapor hole and the installation surface, check the water pump leakage by following method.

1. Wipe off the residue of the coolant draining on the water pump.

WARNING

Make sure that the coolant is cold when removing the radiator cap.

2. Remove the radiator cap.

CAUTION

Do not pressures 100 kPa (15 psi) or more.

3. Install the radiator tester and pressures at 100 kPa (15 psi).

4. Hold the pressurized state for 20 minutes, and check that the water leakage from the drain hole, the vapor hole or the installation surface of the water pump.

5. Remove the radiator tester, and install the radiator cap.

6. Warm up the engine, let it idle for 20 minutes and stop it.

7. After stopping the engine, and check that the water leakage from the drain hole, the vapor hole or the installation surface of the water pump.

8. If the water leakage is found in step 4 or 7, replace the water pump. <2.4L Engine>, <3.0L Engine>).

Mitsubishi Outlander. Engine Cooling

ENGINE COOLANT CONCENTRATION TEST

CAUTION

Using a hydrometer, check if the engine coolant concentration is within the standard value range.

Standard value: 30 to 60% (service concentration range)

COOLING FAN RELAY CONTINUITY CHECK <2.4L ENGINE>

FAN CONTROL RELAY CHECK

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

RADIATOR FAN RELAY CHECK

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

CONDENSER FAN RELAY CHECK

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

FAN CONTROL RELAY CONTINUITY CHECK <3.0L ENGINE>

FAN CONTROL RELAY CONTINUITY CHECK

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

RADIATOR FAN RELAY CONTINUITY CHECK

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

CONDENSER FAN RELAY CONTINUITY CHECK

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

COOLING FAN MOTOR CHECK

1. Disconnect the fan motor connector.

2. Check that the fan motor runs when a positive battery terminal is connected to the fan motor-side connector terminal number 1, and terminal number 2 is grounded. Also check to see that there is no abnormal sound emitted from the fan motor at this time.

3. If the fan motor is defective, replace it (<2.4L Engine>, <3.0L Engine>).

Mitsubishi Outlander. Engine Cooling

Mitsubishi Outlander. Engine Cooling

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