Drain/fill in coolant · ar2000w1142a · Mercedes-Benz WIS

AR20.00-W-1142A

Drain/fill in coolant

13.12.11

ENGINES 541.9 in MODEL 930, 932, 933, 934, 950, 952, 953, 954

ENGINES 542.9 in MODELS 930, 932, 934, 950, 952, 954

W20.00-1006-11

Illustrated on model 930

1 Cap

W20.00-1008-01

2 Drain screw

3 Drain pipes

4 Drain screw

W20.00-1007-01

W20.00-1005-01

5 Retarder coolant hoses

(only on vehicles with code (BA9) Voith secondary retarder R 115)

6 Drain screw

(only on vehicles with code (BA1) Performance-optimized Voith retarder)

7 Heat exchanger

(only on vehicles with code (BA1) Performance-optimized Voith retarder)

W43.30-1210-01

Modification notes

6.7.11

Value modified: Coolant drain plug to radiator

*BA20.20-N-1001-01C

	Drain
 Danger!	Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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
	Notes on coolant		AH20.00-N-2080-01A
1	Open maintenance flap
2	Unscrew cap (1).
3	Set temperature selection wheel for the heater to the max. heat output and switch on ignition
4	Drain coolant at radiator	 To do this place drain hose on the drain fitting (3) and loosen drain screw (2). Collect coolant in clean container.
5	Drain coolant at crankcase	 Remove drain screw (4). Collect coolant in clean container.
6	Remove both coolant hoses (5) on the retarder	 Only on vehicles with code (BA9) Voith secondary retarder R 115.
		Collect coolant in clean container.
7	Remove drain screw (6) on heat exchanger (7)	 Only on models fitted with code (BA1) Performance-optimized Voith retarder.
		Collect coolant in clean container.
8	Switch off ignition
	Filling
9	Attach both coolant hoses (5) to the retarder	 Only on vehicles with code (BA9) Voith secondary retarder R 115.
		Check coolant hoses and hose clamps for damage; replace if necessary.
10	Tighten drain screw (6) on heat exchanger (7)	 Only on models fitted with code (BA1) Performance-optimized Voith retarder.
			*BA43.30-N-1015-01E
		Slightly grease new sealing ring.	*BR00.45-Z-1062-06A
11	Tighten drain plug (4) on cylinder crankcase	 Replace sealing ring.
			*BA01.40-N-1001-01D
12	Tighten drain screw (2) on cooler and remove drain hose		*BA20.20-N-1001-01C
13	Check coolant for soiling	 In the case of strong soiling the coolant must generally be replaced; if necessary.: 
		Remove grease and scale in the cooling system
		Model 930, 932, 933, 934	AR20.00-W-1030G
		Model 950, 952, 953, 954	AR20.00-W-1030B
14	Check coolant with antifreeze tester	 In the case of low antifreeze protection, replace the anti-frost protection part or replace the coolant.
			*BF20.00-N-1001-01B
15	Pour in coolant
 Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
16	Start engine and bleed cooling and heating system	 Run engine for about 5 minutes at varying rotational speeds. Top off coolant constantly to the bottom edge of the filler neck.
17	Turn off engine
18	Screw down cap (1)
19	Inspect cooling system for leaks	 Visual inspection
20	Close maintenance flap

 Cylinder crankcase, timing case cover, end cover

Number	Designation			Engine 541.9. 542.9


BA01.40-N-1001-01D	Coolant drain plug to crankcase	M141.5	Nm	50

 Radiator, coolant hoses

Number	Designation		Engine 541.9, 542.9


BA20.20-N-1001-01C	Coolant drain plug to radiator	Nm	4

 Retarder

Number	Designation		Models 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954, 958 with Code BA1


BA43.30-N-1015-01E	Coolant drain plug to heat exchanger	Nm	25

 Engine cooling system

Number	Designation			Engine 541.9 without code BA1 or BA9	Engine 541.9 with code BA1	Engine 541.9 with code BA9


BF20.00-N-1001-01B	Coolant	Total filling capacity	Liters	41.0	53.0	56.0
		Anticorrosion/antifreeze agent down to -37°C	Liters	20.5	26.5	28.0
		Anticorrosion/antifreeze agent down to -45°C	Liters	22.5	29.0	31.0
		Specifications for Operating Fluids	Sheet	BB00.40-P-0310-01A	BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Sheet	BB00.40-P-0325-02A	BB00.40-P-0325-02A	BB00.40-P-0325-02A
			Sheet	BB00.40-P-0325-05A	BB00.40-P-0325-05A	BB00.40-P-0325-05A

 Engine cooling system

Number	Designation			Engine 542.9 without code BA1, BA9, KMKL	Engine 542.9 with code BA1	Engine 542.9 with code BA9


BF20.00-N-1001-01B	Coolant	Total filling capacity	Liters	45.0	57.0	60.0
		Anticorrosion/antifreeze agent down to -37°C	Liters	22.5	28.5	30.0
		Anticorrosion/antifreeze agent down to -45°C	Liters	25.0	31.5	33.0
		Specifications for Operating Fluids	Sheet	BB00.40-P-0310-01A	BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Sheet	BB00.40-P-0325-02A	BB00.40-P-0325-02A	BB00.40-P-0325-02A
			Sheet	BB00.40-P-0325-05A	BB00.40-P-0325-05A	BB00.40-P-0325-05A

Repair materials

Number	Designation	Order number
BR00.45-Z-1062-06A	Lubricating grease, Olista Longtime, DB supply specification 6804.60	A 001 989 36 51 10

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