Owner Maintenance; Maintenance and Care; 2.5 liter V6 DOHC- Page 186

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Maintenance and Care

Owner Maintenance

Form No. 8Q47-EA-01F

2.5 liter V6 DOHC

1. Remove the coolant filler cap.

2. Only when the engine is cool, remove 

the radiator drain plug and drain the 
coolant into a suitable container.

3. Flush out the system with running 

water.

4. Drain the system completely. Insert 

and tighten the plug.

5. Fill the system (to the top of the filler 

neck) and then the coolant reservoir (to 
F) with as much ethylene-glycol-based 
coolant and water as necessary to 
provide protection from freezing and 
corrosion.
In extremely cold climates, add the 
amount recommended by the coolant 
manufacturer.

6. Reinstall the coolant filler cap.

7. Run the engine at idle for about 10 

minutes, then turn it off. If the coolant 
level warning light comes on during 
this time, turn the engine off.
After turning off the engine, inspect the 
drain plug and the water hoses for 
leaks.

8. After the engine has cooled, remove 

the coolant filler cap and inspect the 
coolant level. If it’s low, repeat steps 5 
to 7.

Because this procedure requires technical 
expertise, we recommend that it be done 
by an Authorized Mazda Dealer.

Miller Cycle Engine V6 DOHC

1. Remove the cooling system cap.

2. Only when the engine is cool, remove 

the radiator drain plug and drain the 
coolant into a suitable container.

3. Flush out the system with running 

water.

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.

Tighten

Loosen

Tighten

Loosen

Tighten

Loosen

Coolant filler cap

Engine coolant 
reservoir

Loosen

Tighten

Tighten

Loosen

Cooling system cap

J76Y.book  Page 14  Wednesday, March 27, 2002  5:04 PM