2004 Mazda MPV Owner's Manual - Page 271

Maintenance and Care Owner Maintenance To change coolant 4. Drain the system completely. Insert and tighten the plug. Add as much ethylene-glycol-based coolant and water as necessary to provide freezing and corrosion protection. 5. In extremely cold climates, add the amount recommended in the coolant manufacturer's instructions. 6. Run the engine at idle with the cooling system cap off. Slowly add additional coolant if necessary. 7. At this point, wait until the engine reaches normal operating temperature; then depress the accelerator two or three times. Add more coolant, if necessary, until the system is full. 8. Install the cooling system cap. Inspect all connections for leaks. Inspect the level in the coolant reservoir one more time. WARNING Removing the Cooling System Cap: Removing the cooling system cap while the engine is running or hot is dangerous. This might lead to cooling system and engine damage and could result in serious injury from escaping hot coolant or steam. Turn off the engine and wait until it's cool. Even then, be very careful when removing the cap. Wrap a thick cloth around the cap and slowly turn it counterclockwise to the first stop. Step back while the pressure escapes. When you're sure all the pressure is gone, press down on the cap - still using a cloth - turn the cap, and remove it. 1. Remove the cooling system cap. M Changing Coolant (With Rear Heater) Have an Authorized Mazda Dealer change the coolant according to the Scheduled Maintenance (page 8-3). Loosen Tighten Tighten Loosen F L 2. Only when the engine is cool, remove the radiator drain plug and drain the coolant into a suitable container. Properly dispose of the used coolant. 3. Flush out the system with running water. 8-14