Engine Coolant Replacement; Engine Coolant Leakage Inspection - Mazda 2002 6 Workshop Manual

ENGINE COOLANT REPLACEMENT

Warning
• Drain the engine coolant while the engine is cold, otherwise it may burn you and cause serious
injury.
1. Remove the radiator cap.
2. Remove the radiator drain plug.
3. Drain the coolant into a container.
4. Flush the cooling system with water until all
traces of color are gone.
5. Let the system drain completely.
6. Tighten the radiator drain plug.
7. Referring to the following chart, select proper
volume percentage of the water and coolant.
Antifreeze solution mixture percentage
Coolant protection
Above –16 °C {3 °F}
Above –26 °C {–15°F}
Above –40 °C {–40 °F}
8. Slowly pour the coolant into the radiator up to the coolant filler port.
9. Fill the coolant into the reservoir up to the FULL mark on the coolant reservoir.
10. Fully install the radiator cap.
Caution
• If the coolant temperature becomes too high, stop the engine to prevent it from overheating.
11. Start the engine and let it idle until the cooling fan operates.
12. After engine warms up, perform the following steps.
(1) Run the engine at 2,500 rpm for 5 min.
(2) Run the engine at 3,000 rpm for 5 s, then return to idling.
(3) Repeat Step (2) several times.
(4) Run the engine at idle for 1 min.
13. Stop the engine and wait until it is cool.
14. Remove the radiator cap.
15. Check the coolant level.
• If It is low, repeat Steps 8—15.
16. Install the radiator cap.
17. Inspect for coolant leakage.
• If not as specified, repair or replace the radiator cap.
End Of Sie

ENGINE COOLANT LEAKAGE INSPECTION

Warning
• Never remove the radiator cap while the engine is running, or when the engine and radiator are
hot. Scalding coolant and steam may shoot out and cause serious injury. It may also damage the
engine and cooling system.
• Turn off the engine and wait until it is cool. Even then, be very careful when removing the cap.
Wrap a thick cloth around it and slowly turn it counterclockwise to the first stop. Step back while
E–4
ENGINE COOLANT
Volume
Gravity at
20 °C
percentage
{68 °F}
Water Coolant
65 35 1.054
55 45 1.066
45 55 1.078
A6E361215001W03
AME3612W001
AME3612W002
A6E361215001W04