Draining/filling with coolant

AR20.00-L-1142VA

Draining/filling with coolant

15.2.01

Draining

Danger!

Risk of injury to skin and eyes from scalding due to contact with hot coolant spray.
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 bottles.

Wear protective gloves, protective clothing and eye protection.

AS20.00-Z-0001-01A

1

Open cap at coolant expansion reservoir (1)

 Turn in anti-clockwise direction 1/2 turn, release pressure, and then unscrew cap of coolant expansion reservoir (1).

2

Attach a suitable drain hose to the radiator drain (4), open the radiator drain plug (3) and crankcase drain plug (5) and bleed the coolant

 Collect the coolant in a suitable container. Reuse the clean coolant.



Notes on coolant

All models

AH20.00-N-2080-01A

3

Remove drain hose and screw tight radiator drain plug (3) and crankcase drain plug (5)



*BA01.40-P-1004-01E



*BA01.40-P-1001-01D

Filling

4

Pour in coolant and bleed cooling system

AR20.00-L-1142-04VA

 Cooling system with engine 166.961/991

*BF20.00-P-1003-02L

 Cooling system with engine 668.914

*BF20.00-P-1001-02N



*168589029100



*285589002100



Notes on coolant

All models

AH20.00-N-2080-01A

5

Lock coolant expansion reservoir

6

Inspect cooling system for leaks

AR20.00-L-1010VA

Number

Designation

Engines 166.961/
991

BA01.40-P-1001-01D

Coolant drain plug on crankcase

Nm

10

Number

Designation

Engine 668.914

BA01.40-P-1004-01E

Coolant drain plug on crankcase

Nm

10

Number

Designation

Engine 166.961/991

Engine 166.961/991
with code HZ6

BF20.00-P-1003-02L

Cooling system
with separate
coolant expansion
reservoir

Total capacity

Liters

5.2

6.8

Capacity of anticorrosion/
antifreeze agent down to -37°C

Liters

2.6

3.4

Capacity of anticorrosion/
antifreeze agent down to -45°C

Liters

2.85

3.75

Specifications for Operating Fluids

Sheet

BB00.40-P-0310-01A

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-00A

BB00.40-P-0325-00A

Number

Designation

Engine
668.914

Engine
668.914
with CODE HZ6

BF20.00-P-1001-02N

Cooling system with separate coolant expansion reservoir

Total capacity

Liters

5.2

6.8

Capacity of anticorrosion/
antifreeze agent down to -37°C

Liters

2.6

3.4

Capacity of anticorrosion/
antifreeze agent down to -45°C

Liters

2.85

3.75

Specifications for Operating Fluids

Sheet

BB00.40-P-0310-01A

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-00A

BB00.40-P-0325-00A