Drain/pour in coolant

AR20.00-G-1142MD

Drain/pour in coolant

25.03.2019

Engine

933.9, 935.9 in model 800.010

Engine

935.9 in model 800.011/012

Modification notes

12.03.2019

Work procedure completely modified.

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

 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

Drain off

1

Open cap of engine cooling system.

 See information from body manufacturer.

2

Open drain screw and drain off coolant.

 See information from body manufacturer.
Collect coolant in a suitable clean container.

3

Screw in drain screw with new sealing ring and tighten.

 See information from body manufacturer.

Pour in

4

Fill in coolant.



Premixed coolant (specification 326.5)

BB00.40-P-0326-05A



Anticorrosion agent/antifreeze (specification 325.5)

BB00.40-P-0325-05A



Coolant specifications

BB00.40-P-0310-01A

5

Start engine and bleed engine cooling system.

 Allow engine to run for approx. 5 min at alternating engine speeds. Refill coolant continuously up to lower edge of filler neck.
See information from body manufacturer.

6

Switch off engine.

7

Tighten cap of engine cooling system.

8

Check engine cooling system for leak tightness.

 Visual inspection.