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Figure 15. Coolant Drain Plug
b.
Open the coolant drain plug on the bottom of the radiator.
NOTICE:
When flushing the radiator, do not apply more than 140 kPa (20 psi) air pressure. Excessive pressure
can damage the radiator or heater core.
4.
Flush the radiator, then attach a flushing gun nozzle to the radiator outlet.
a.
Run water in until the radiator is full.
WARNING: EYE INJURY
To avoid injury from flying debris when using compressed air, wear adequate eye protection (face
shield or safety goggles) and do not exceed 276 kPa (40 psi) air pressure.
b.
Apply no more than 140kPa (20 psi) air pressure intermittently to help dislodge sediment buildup in the core.
5.
Drain the radiator, and flush the radiator until clean water flows from the radiator. Remove the flushing gun.
6.
When the coolant has drained, install the coolant drain plug on the radiator.
7.
Add coolant in the specified concentration until the maximum mark on the surge tank is reached. Coolant system
capacity is listed below.
Table 14.
Coolant System Capacity
Description
4-Cylinder
6-Cylinder
Engine Coolant Capacity (all vehicles) L (Qt)
Engine capacity
8 (8.5)
12 (12.7)
Business Class Coolant System Capacity L (Qt)
Total capacity
19.8 (21)
23.6 (25)
Antifreeze quantity at 50%
9.9 (10.5)
11.8 (12.5)
Antifreeze quantity at 55%
10.8 (11.5)
13.1 (13.8)
8.
Start the engine and run it for about one minute at varying speeds to release air pockets in the cooling system. Make
sure the heater valve is still open. Check the coolant level and add more coolant if necessary.
9.
Shut down the engine.
10.
Add coolant if necessary.
EuroV MBE 900 Operators Manual
All information subject to change without notice.
43
DDC-SVC-MAN-0207
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