Honda Pilot: Coolant Replacement

Replacement

1. Front Bulkhead Cover - Remove

2. Radiator Cap - Remove

1. Wait until the engine is cool, then carefully remove the radiator cap.

3. Splash Shield - Remove

4. Engine Coolant - Drain

1. Loosen the drain plug (A), and drain the coolant.

5. Engine Block Coolant - Drain

1. Install a rubber hose (A) on the drain bolt (B) located at the rear of the engine block, then loosen the drain bolt.
2. When the coolant stops draining, tighten the drain bolt.

   Remove the rubber hose.

3. Tighten the radiator drain plug securely.

6. Splash Shield - Install

7. Coolant Reservoir - Refill

1. Remove, drain and reinstall the coolant reservoir.
2. Fill the coolant reservoir to the MAX mark (A) with Honda Long Life Antifreeze/Coolant Type 2.

8. Engine Coolant - Refill

1. Follow the chart and pour coolant into the radiator up to the base of the filler neck.

NOTE:

• Honda Long Life Antifreeze/Coolant Type 2 is a mixture of 50 % antifreeze and 50 % water. Honda Extreme Cold Weather Antifreeze/Coolant Type 2 is a 100 % concentration coolant. Do not add water to either coolant.
• If the vehicle is regularly driven in very low temperatures (below -22 ºF (-30 ºC) ), a 60 % concentration of coolant should be used.

*: When you want to winterize the coolant with the minimum amount of coolant change but the current coolant concentration in the vehicle is unknown, you must drain all coolant from the cooling system.

Engine Coolant Refill Capacities (Including the coolant reservoir capacity of 0.8 L (0.21 US gal) )

6-Speed A/T:

  At Coolant Change: 7.2 L (1.90 US gal)

  After Engine Overhaul: 8.8 L (2.32 US gal)

9-Speed A/T:

  At Coolant Change: 7.3 L (1.93 US gal)

  After Engine Overhaul: 8.8 L (2.32 US gal)

9. Engine Coolant - Air Bleed

1. Loosely install the radiator cap.
2. Start the engine, and let it run until it warms up (the radiator fan comes on at least twice).
3. Turn off the engine. Check the level in the radiator, and add Honda Long Life Antifreeze/Coolant Type 2, if needed.

10.Engine Coolant Leak - Check

1. Put the radiator cap securely, then start the engine again, and check for leaks.
2. Clean up any spilled engine coolant.

11.Front Bulkhead Cover - Install

12.Maintenance Minder - Reset (With Maintenance Minder System)

1. If the Maintenance Minder required to replace the engine coolant, reset the Maintenance Minder with the gauge (see "Resetting the Maintenance Minder"). If the Maintenance Minder did not require to replace the engine coolant, reset the Maintenance Minder with the HDS (see "Resetting the Individual Maintenance Items").

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