Air Bleeding (3.0L) - Mazda B-Series 1997 Workshop Manual

ENGINE COOLANT
1.
Remove the radiator cap and loosen the drain plug.
2. Drain the coolant into a suitable container.
3. Flush the cooling system with water until all traces of color
are gone; then, let the system drain completely.
4.
Tighten the drain plug.
Tightening torque:
2.0-2.7 N-m (20-27 kgf-cm, 18-25 inelbf)
5. Fill with the proper amount and mixture of coolant. (Refer
to page E2-5.)
I
I
ME1006-A 5BUOE2-010
Coolant capacity:
With AIC: 9.6 Liters (10.2 US qt, 8.5 Imp qt)
Without AIC: 9.0 Liters (9.5 US qt, 7.9 Imp qt)
6. Run the engine with the filler cap removed until the upper
radiator hose is hot.
7. With the engine idling, add coolant to the radiator until it
reaches the bottom of the filler neck.
8.
Install the radiator cap.
9. Verify that the coolant in the reservoir is at the COLD FlLL
mark. Add coolant as necessary.
AIR BLEEDING
When refilling the cooling system after draining the
coolant, perform the following:
1. Slowly pour the coolant into the radiator up to the filler
neck.
2.
Fill the coolant reservoir to the COLD FlLL mark.
3. Install the radiator cap securely and start the engine.
4. Run the engine at idle speed until it reaches normal
operating temperature.
Caution
If the temperature increases beyond normal, there
dE1003-B 4BUOE2-012
is excessive air in the system.
Stop the engine and allow it to cool; then repeat
steps 1-3.
5. Run the engine at 2,000 rpm for 3-4 minutes.
6. Stop the engine and wait until it cools down.
7.
Repeat steps 1-6; then go to step 8.
Warning
Do not remove the radiator cap until the engine is
cool.
Remove the radiator cap carefully and slowly,
using a thick rag.
8. Remove the radiator cap, and verify that the engine
coolant level is near the filler neck. If not, repeat
steps 1-8.
9. Ensure that the coolant in the reservoir is at the COLD
FlLL mark. Add coolant as necessary.