Pour in coolant and bleed engine cooling system

AR20.00-D-1142-03TSR

Pour in coolant and bleed engine cooling system

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

Topical note

Notes on coolant

AH20.00-N-2080-01A

Notes on coolant level

AH20.00-P-1142-01CW

Engine

642 in model 907

Engine

651 in model 907, 910

Engine

654 in model 907

 Engine cooling

Number

Designation

Engine 654 in model 907 with code H12 (Auxiliary water heater) or with code H13 (Rear additional heat exchanger) or with code HZ9 (Heater booster)

Engine 654 in model 907
except code H12 (Auxiliary hot-water heater)
except code H13 (Additional heat exchanger)
except code HZ9 (Heater booster)

BF20.00-N-1001-01TS

Coolant

Total filling capacity

Liter

 12,4

 10

Corrosion/antifreeze down to ­37°C

Liter

 6,3

 5,1

Corrosion/antifreeze down to ­45°C

Liter

 7

 5,6

Sheet

BB00.40-P-0310-01A

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-05A

BB00.40-P-0325-05A

 Engine cooling

Number

Designation

Engine 642 in model 907
except code H12 (Auxiliary hot-water heater)
except code H13 (Additional heat exchanger)
except code HZ9 (Heater booster)

Engine 642 in model 907 with code H12 (Hot-water auxiliary heater) or code H13 (Rear additional heat exchanger) or code HZ9 (Heater booster)

BF20.00-N-1001-01TS

Coolant

Total filling capacity

Liter

 11,6

 14,4

Corrosion/antifreeze down to ­37°C

Liter

 5,8

 7,2

Corrosion/antifreeze down to ­45°C

Liter

 6,4

 7,9

Sheet

BB00.40-P-0310-01A

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-05A

BB00.40-P-0325-05A

 Engine cooling

Number

Designation

Engine 651 in model 907
except code H12 (Auxiliary hot-water heater)
except code H13 (Additional heat exchanger)
except code HZ9 (Heater booster)

Engine 651 in model 907 with code H12 (Hot-water auxiliary heater) or code H13 (Rear additional heat exchanger) or code HZ9 (Heater booster)

BF20.00-N-1001-01TS

Coolant

Total filling capacity

Liter

 9,8

 12,2

Corrosion/antifreeze down to ­37°C

Liter

 4,9

 6,1

Corrosion/antifreeze down to ­45°C

Liter

 5,4

 6,7

Sheet

BB00.40-P-0310-01A

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-05A

BB00.40-P-0325-05A

 Engine cooling

Number

Designation

Engine 651 in model 910

BF20.00-N-1001-01TS

Coolant

Total filling capacity

Liter

 8

Corrosion/antifreeze down to ­37°C

Liter

 4

Corrosion/antifreeze down to ­45°C

Liter

 4,4

Sheet

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-05A

 Mixture ratio for coolant

Number

Designation

Engine all (BUS, Heavy transporter, Light transporter, TRUCK, UNIMOG)

BF20.00-N-1001-04A

Mixture ratio for coolant

Antifreeze/water down to -37 °C

%

50/50

Antifreeze/water down to -45 °C

%

55/45

Sheet

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-00A

Sheet

BB00.40-P-0325-05A

1

 Attach tester cap (1) to coolant expansion reservoir.

2

Attach control unit (2) to  tester cap (1).

3

Attach Venturi nozzle (3) to control unit (2).

4

Close feed valve (4) and drain valve (5).

5

Fill coolant into coolant reservoir (7).
   

 Make sure that there is more coolant in the coolant reservoir (7) than the engine cooling system maximum filling capacity.
Otherwise, air can enter the engine cooling system.

6

Attach feed hose (6) to coolant reservoir (7).

7

Insert waste air hose (8) into an empty container.

8

Connect compressed air hose (9) to the Venturi nozzle (3) and apply compressed air.

9

Open drain valve (5).

10

Open feed valve (4) until feed hose (6) has filled with coolant.

11

Close drain valve (5) if display of the control unit (2) is in the green area.

12

Remove compressed air hose (9) from the venturi nozzle (3) and monitor whether the vacuum remains stable for 30  seconds.

If this is not the case.



Check hoses and connections of engine cooling system, repair if necessary and check again.

13

Open feed valve (4).

 The engine cooling system is now filled.

14

Open drain valve (5) as soon as coolant no longer flows into engine cooling system.

 The remaining existing vacuum reduces in the engine cooling system.

15

Remove control unit (2) along with all the connections and  tester cap (1).

16

Adjust coolant level in coolant expansion reservoir.

 Coolant level may not exceed "MAX" marking.