Drain/fill in coolant · ar2000w1142j · Mercedes-Benz WIS

AR20.00-W-1142J

Drain/fill in coolant

13.12.11

ENGINES 900.9 in MODELS 375.1, 970, 972, 975, 976

ENGINES 902.9 in MODEL 375.3, 950.5 /6, 952.5 /6, 953.6, 954.5

ENGINES 902.9 in MODEL 957 except CODE (MS8) Natural gas engine

ENGINES 902.9 in MODELS 375.1, 970, 972, 974, 975, 976

ENGINES 924.9 in MODELS 958.0, 970, 972, 974, 975, 976

ENGINES 925.9 in MODELS 970, 972, 974

ENGINES 926.9 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5, 957, 958.2

ENGINES 926.9 in MODEL 958.0

W20.00-1009-11

Illustrated on model 950

1 Cap

W20.00-1019-01

2 Drain screw

3 Drain pipes

4 Drain screw

W20.00-1018-01

W20.00-1005-01

5 Retarder coolant hoses
(only on vehicles with code (BA9) Voith secondary retarder R 115)

6 Heat exchanger drain plug

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

W20.00-1017-01

Modification notes

6.7.11

Value modified: Coolant drain plug on radiator

Engine 900.9

Engine 902.9

Engine 924.9

Engine 925.9

*BA20.20-N-1001-01D

	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 maximum heat output and switch on ignition
 Danger!	Risk of injury caused by body parts being pinched or crushed as cab is tilted	Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut.	AS60.80-Z-0001-01A
4	Tilt cab
	Notes on tilting the cab		AH60.80-N-0003-01A
5	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.
6	Drain coolant at crankcase	 Loosen drain plug (4). Collect coolant in clean container.
7	Remove both retarder coolant hoses (5)	 Only on vehicles with code (BA9) Voith secondary retarder R 115.
		Collect coolant in clean container.
8	Remove heat exchanger drain plug (6) and drain off coolant	 Only on models fitted with code (BA1) Performance-optimized Voith retarder.
		Collect coolant in clean container.
9	Switch off ignition
	Filling
10	Attach both retarder coolant hoses (5)	 Only on vehicles with code (BA9) Voith secondary retarder R 115.
		Check coolant hoses and hose clamps for damage; replace if necessary.
11	Tighten drain plug on heat exchanger (6)	 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
12	Tighten drain plug (4) on cylinder crankcase	 Replace sealing ring.
			*BA01.40-N-1004-01C
13	Tighten drain screw (2) on cooler and remove drain hose		*BA20.20-N-1001-01D
14	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	AR20.00-W-1030J
15	Check coolant with anti-freeze tester	 In the case of low antifreeze protection, replace the anti-frost protection part or replace the coolant.
			*BF20.00-N-1001-01C
16	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
17	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.
18	Turn off engine
19	Screw down cap (1)
20	Inspect cooling system for leaks	 Visual inspection.
 Danger!	Risk of injury caused by body parts being pinched or crushed as cab is tilted	Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut.	AS60.80-Z-0001-01A
21	Lower cab
	Notes on tilting the cab		AH60.80-N-0003-01A
22	Close maintenance flap

 Crankcase, timing case cover, end cover

Number	Designation		Engines 900.9, 902.9, 904.9, 906.9	Engine 924.9, 925.9, 926.9


BA01.40-N-1004-01C	Coolant drain plug to crankcase	Nm	30	30

 Radiator, coolant hoses

Number	Designation		Engine 900.9	Engine 902.9	Engine 924.9


BA20.20-N-1001-01D	Coolant drain plug on radiator	Nm	4	4	4

 Radiator, coolant hoses

Number	Designation		Engine 925.9	Engine 926.9


BA20.20-N-1001-01D	Coolant drain plug on radiator	Nm	4	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 900.9 in model 375.1, 970, 972, 975, 976	Engine 902.9, in model 375.1, 970, 972, 974, 975, 976	Engine 902.9 in model 375.3, 950, 952, 953, 954 without code BA1


BF20.00-N-1001-01C	Coolant	Total filling capacity	l	19	23	22
		Anticorrosion/antifreeze agent down to -37°C	L	9.5	11.5	11
		Anticorrosion/antifreeze agent down to -45°C	L	10.5	13.0	12.0
		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 902.9 in model 950, 952, 953, 954 with code BA1	Engine 902.9, 906.9 in model 957	Engine 924.9 in models 958.0, 970, 972, 974, 975, 976


BF20.00-N-1001-01C	Coolant	Total filling capacity	l	37.0	48	19
		Anticorrosion/antifreeze agent down to -37°C	L	18.5	24	9.5
		Anticorrosion/antifreeze agent down to -45°C	L	20.5	26.5	10.5
		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

 Engine cooling system

Number	Designation			Engine 925.9 in models 970, 972, 974	Engine 926.9 in models 950, 952, 953, 954, 958.2 without code BA1 or BA9	Engine 926.9 in models 950, 952, 953, 954, 958.2 with code BA1


BF20.00-N-1001-01C	Coolant	Total filling capacity	l	23.0	22	37
		Anticorrosion/antifreeze agent down to -37°C	L	11.5	11	18.5
		Anticorrosion/antifreeze agent down to -45°C	L	13.0	12.0	20.5
		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 926.9 in models 950, 952, 953, 954, 958.2 with code BA9	Engine 926.9 in model 957	Engine 926.9 in model 958.0


BF20.00-N-1001-01C	Coolant	Total filling capacity	l	40	48	23
		Anticorrosion/antifreeze agent down to -37°C	L	20	24	11
		Anticorrosion/antifreeze agent down to -45°C	L	22	26.5	12
		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	–	–

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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