Replace coolant · ap2000t2080ca · Mercedes-Benz WIS

AP20.00-T-2080CA

Replace coolant

21.10.09

ENGINE 457.944 in model NMB613.367

ENGINE 457.941 in model NMB613.368

T20.00-0022-01

Illustrated on model 613.368

1 Cap

 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	All engines	AH20.00-N-2080-01A
1	Inspect cooling and heating system for leaks and proper condition		AP20.00-T-2050CA
2	Open control valves of heating system	 Turn ignition/starter switch to drive position and open regulating valves on the front, floor and roof heater units. After about 2 minutes, turn to stop position.
3	Take off cap of cooling system (1)
4	Drain coolant	in case of model 613.367	AP20.00-T-2080-01CB
		in case of model 613.368	AP20.00-T-2080-01CA
			*BF20.00-N-1001-01D
		 Pay attention to legal provisions and local waste water regulations for disposal of the coolant. Old coolant and corrosion residues must be completely flashed out. If cooling system is very dirty: 
		Clean cooling system (subject to separate repair order).
5	Pour in coolant	 Pour in coolant up to the maximum marking. Use only coolant of the specified composition.
		in case of model 613.367	AP20.00-T-2080-01CB
		in case of model 613.368	AP20.00-T-2080-01CA
			*BF20.00-N-1001-01D
6	Switch on circulation pump	 Turn ignition/starter switch to drive position.
 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
7	Start engine and run for about 1 minute at varying speeds
8	Switch off engine and top up coolant	 Turn ignition/starter switch to drive position and allow circulation pump to continue running.
9	Set temperature for front and floor heating to maximum heating capacity
10	Warm up engine until thermostat opens	 Switch on additional heater, if fitted, in order to more rapidly reach the necessary operating temperature.
11	Switch off engine and allow to cool down
12	Check coolant level, adjust to correct level if necessary.	 At approx. 50 °C.	AP20.00-T-2010CA
			*BF20.00-N-1001-01D

 Engine cooling system

Number	Designation			Engine 457.941	Engine 402.970, 441.980, 446.938, 457.944


BF20.00-N-1001-01D	Filling capacity for coolant	without VOITH retarder	Liters	-	75...100
		with VOITH retarder	Liters	90...105	95...120
		Specifications for Operating Fluids	Sheet	BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Sheet	BB00.40-P-0325-02A	BB00.40-P-0325-02A

Referenced documents

ah2000n208001a Notes on coolant
ap2000t2010ca Engine cooling system - inspect fluid level, adjust to correct level. Inspect anticorrosion/ antifreeze protection, adjust to correct concentration
ap2000t2050ca Cooling and heating system - Check condition of radiator, lines and hoses
ap2000t208001ca Drain/fill in coolant
ap2000t208001cb Drain coolant, pour in
as0000z000501a 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.
as2000z000101a Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.