WARNING:
• Never remove radiator cap when engine is hot. Serious burns may occur from high-pressure engine coolant escaping from radiator.

• Wrap a thick cloth around the radiator cap. Slowly turn it a quarter of a turn to release built-up pressure.

Then turn it all the way.

1. Connect drain hose.

• Use a genera-purpose hose with the dimensions show in the figure.

A: φ 8 mm
B : 300 mm

2. Open radiator drain plug (A) at the bottom of radiator, and then remove radiator cap.

: Vehicle front

CAUTION:
Perform this step when engine is cold.

• When draining all of engine coolant in the system, open water drain plugs on cylinder block. Refer to EM-63, "Setting".

3. Remove reservoir tank if necessary, and drain engine coolant and clean reservoir tank before installing.

Refer to CO-17, "Exploded View".

4. Check drained engine coolant for contaminants such as rust, corrosion or discoloration. If contaminated, flush the engine cooling system. Refer to CO-13, "Flushing".