Coolant: Service and Repair

WARNING:
To avoid being scalded, never change the coolant when the engine is hot.

DRAINING ENGINE COOLANT
1. Set air conditioning system as follows to prevent coolant from remaining in the system:

Automatic air conditioning
1. Turn ignition switch from "OFF" to "ON".
2. Within 5 seconds after ignition switch is turned "ON", press "OFF" switch and hold in for at least 5 seconds.
3. Press (HOT) switch 3 times.
4. Press (DEF) switch 2 times.





5. Confirm indication of the A/C display as shown above.
6. Wait 10 seconds before turning ignition switch "OFF". This step is necessary to allow heater water cock to open wide.

Manual air conditioning
1. Turn ignition switch "ON" and set temperature controller to maximum hot position.
2. Wait 10 seconds before turning ignition switch "OFF".








2. Open drain plug at the bottom of radiator, and remove radiator cap.





3. Remove drain plug on water pipe.
4. Close radiator drain plug and tighten drain plug on water pipe securely.

Note: Apply sealant to the thread of drain plug on water pipe.

34-44 Nm (25 - 33 ft lb)

FLUSHING COOLING SYSTEM





5. Open air relief plug.
6. Fill radiator with water until water spills from the air relief hole, then reinstall air relief plug. Fill radiator and reservoir tank with water and reinstall radiator cap.
7. Run engine and warm it up sufficiently.
8. Race engine 2 or 3 times under no-load.
9. Stop engine and wait until it cools down.
10. Drain water.
11. Repeat step 1 through step 10 until clear water begins to drain from radiator.

REFILLING ENGINE COOLANT

12. Open radiator cap and air relief plug.





13. Fill radiator with coolant up to specified level following step 1 though step 9. Follow instructions attached to anti-freeze container for mixing ratio of anti-freeze to water.

Engine coolant level
With reservoir tank: 7.8l (8-1/4 Us qt)
Reservoir tank: 0.7l (3/4 US qt)

Note: Pour coolant through coolant filler neck slowly to allow air in system to escape.





14. If necessary, add coolant.