Drain/pour in coolant · ar2000p1142mnp · Mercedes-Benz WIS

AR20.00-P-1142MNP

Drain/pour in coolant

02.04.2020

Engine

177 in model 167

P20.00-A048-08

Cap

P20.00-A047-09

2	Fan unit	6	Strut	9	Drain fitting
3	Nuts	7	Electrical connector	10	Drain screw
4	Nuts	8	Lock	M43/6	Low temperature circuit circulation pump 1
5	Screw

 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
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
Topical note	Notes on coolant		AH20.00-N-2080-01A
	Notes on coolant level		AH20.00-P-1142-01CW
	Remove
1	Remove cap (1) from the expansion reservoir.
2	Remove front and center lower engine compartment lining.		AR61.20-P-1105ME
3	Remove nuts (3) and remove coolant lines from the strut (6).	Engine 177 in model 167 except code M036 (Maybach version)
4	Remove nuts(4).
5	Remove screws (5) and remove strut (6).
6	Release and disconnect electrical connector (7).	Engine 177 in model 167 except code M036 (Maybach version)
7	Unlock lock (8), remove low-temperature circuit circulation pump 1 (M43/6) with the bracket from the fan unit (2), and secure against falling down using suitable means.	Engine 177 in model 167 except code M036 (Maybach version)
	Drain off
8	Slide drain hose onto drain fitting (9) at cooler.
9	Open drain screw (10), drain coolant, and capture it in a suitable container.	 Unscrew drain screw (10) only until the coolant drains off. Permanent damage to the drain screw (10) will occur otherwise.
		 Observe regulations for disposal of coolant.
10	Tighten drain screw (10) and remove drain hose.
	Install
11	Attach low-temperature circuit circulation pump 1 (M43/6) to fan unit (2) and connect electrical connector (7) to low-temperature circuit circulation pump 1 (M43/6).	Engine 177 in model 167 except code M036 (Maybach version)
12	Position strut (6), screw in screws (5), and tighten.	 Nut/screw, lower crossmember to radiator unit mounting support	*BA62.30-P-1006-02I
13	Tighten nuts (4).	 Nut/screw, lower crossmember to radiator unit mounting support	*BA62.30-P-1006-02I
14	Position coolant lines on the strut (6) and tighten nuts (3).	Engine 177 in model 167 except code M036 (Maybach version)
		 M61	*BA00.10-P-1002-04A
	Pour in
15	Pour in coolant and bleed engine cooling system.		AR20.00-P-1142-04A
		 Cooling system	*BF20.00-P-1001-02LA
		 Test cap	*210589009100
		 Cooler vacuum filling device	*285589002100
		 NTKL Adaption	*285589012100
		 Electric vacuum pump	*285589022100
	Check
16	Check engine cooling system for leak tightness.		AR20.00-P-1011MNO
		 Only install upper engine cover after leak test.
 Warning	Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.	AS49.00-Z-0001-01A
 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
17	Perform engine test run; in this connection, check engine cooling system for proper operation and leak tightness.
	Install
18	Install center and front lower engine compartment lining.		AR61.20-P-1105ME

 Metric screws/bolts and nuts as per MBN 10 105, 10 143

Number	Designation		8.8	10.9
BA00.10-P-1002-04A	M61	Nm	9	13

 Frond end with reinforcement

Number	Designation			Model 167
BA62.30-P-1006-02I	Nut/screw, lower crossmember to radiator unit mounting support	M10	Nm	55

 Cooling system

Number	Designation				Engine 177 in model 167
BF20.00-P-1001-02LA	Cooling system	Workshop replacement amount	Main circuit	Liter	15,7
			Low-temperature circuit	Liter	5,0
		Antifreeze/water	Down to -37 °C	%	50/50
			-38 °C and below	%	55/45
			Specifications for Operating Fluids, sheet		BB00.40-P-0310-01A
			Specifications for Operating Fluids, sheet		BB00.40-P-0325-06A
			Specifications for Operating Fluids, sheet		BB00.40-P-0326-06A

285 589 01 21 00

NTKL Adaption

210 589 00 91 00

Test cap

285 589 02 21 00

Electric vacuum pump

285 589 00 21 00

Cooler vacuum filling device

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