Remove/install engine with transmission · ar0110p2401mrf · Mercedes-Benz WIS

AR01.10-P-2401MRF

Remove/install engine with transmission

26.06.2019

Engine	274.9 in model 238
	except code M005 (4MATIC)

P01.10-3318-09

1	Vacuum line	7	Coolant hose
2	Coolant hose	8	Coolant vent lines
3	Purge line	9	Coolant hose
4	Coolant line	10	Diagnostic socket
5	Coolant hose	11	Fuel hose
6	Coolant hose

 Caution	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
 Warning	Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
 Caution	Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
 Danger	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.	No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
Topical note	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
Topical note	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on AIR BODY CONTROL	Engine 274.9 in model 238 with code 489 (AIR BODY CONTROL) except code M005 (4MATIC)	AH32.22-P-1000-03LWO
	General information on work on gasoline direct injection system		AH07.00-P-2000-01A
	Use of engine no. when installing reconditioned engines and factory-new replacement engines or crankcases		AH01.10-P-0001-01A
 	Remove/install
1	Secure vehicle against rolling
2	Shift transmission to neutral and release parking brake
3	Secure vehicle on vehicle lift		AR00.60-P-0100CW
4	Reduce pressure in air suspension with vehicle diagnosis system	Engine 274.9 in model 238 with code 489 (AIR BODY CONTROL) except code M005 (4MATIC)
			AD00.00-P-2000-06LWO
5	Disconnect ground line from battery		AR54.10-P-0003LWO
6	Remove upper engine cover	 Installation: Only install upper engine cover after the leak test.
7	Remove bottom engine compartment paneling		AR61.20-P-1105LWE
		 Installation: Only install lower engine compartment paneling after leak test.
8	Relieve fuel pressure at diagnostic socket (10)		AR07.03-P-1460-01MR
		 Dust cap at service connection	*BA07.03-P-1003-01F
		 Pressure hose	*119589046300
9	Drain off coolant		AR20.00-P-1142OLC
10	Remove drain screw from oil pan and collect engine oil in suitable container
	Notes on engine oil and filter changes		AH18.00-P-0104-01A
		 Installation: Use only approved engine oils. Engine damage will occur otherwise.
		 Installation: Replace sealing ring.
		 Drain screw to oil pan	*BA01.45-P-1002-01T
		 Engine 274.9 in model 238 (except 238.343/443) except code M005 (4MATIC)Engine oil	*BF18.00-P-1001-01ZA
11	Remove propeller shaft from transmission output flange and secure against falling down		AR41.10-P-0050LW
12	Remove center shifter console and shift rod on transmission	Engine 274.9 in model 238 with transmission 716.7 except code M005 (4MATIC)
			AR26.60-P-0600LW
13	Remove hydraulic line from clutch slave cylinder and seal openings with suitable stop plugs	Engine 274.9 in model 238 with transmission 716.7 except code M005 (4MATIC)
			AR25.20-P-0150LW
		 Record plug	*129589009100
14	Remove rear engine mounts		AR22.10-P-1160MRD
		 The rear engine support remains on the vehicle.
15	Remove fuel hose (11) from engine, collect escaping fuel in suitable container and seal openings with suitable stop plugs	 Pliers for click clamps	*171589003700
		 Record plug	*129589009100
16	Remove coolant line to low-temperature water circuit radiator on oil cooler for the A/T	Engine 274.9 in model 238 with transmission 725.0 except code M005 (4MATIC)
			AR20.20-P-7441-01RQ
17	Remove automatic transmission oil cooler from fan unit and secure with connected lines to engine against falling down	Engine 274.9 in model 238 with transmission 725.0 except code M005 (4MATIC)
			AR27.55-P-1000OLD
18	Remove catalytic converter		AR49.10-P-5500MRD
19	Remove fan unit		AR20.40-P-5050OLA
20	Mount protective plate on radiator
			WF58.50-P-0110-01A
21	Detach engine wiring harness to remove engine		AR15.18-P-1000-05MRD
		 M61	*BA00.10-P-1002-04A
		 Nut, positive line to busbar on firewall	*BA54.18-P-1001-02C
		 Bolt/nut, ground line to transmission/underfloor	*BA00.19-P-1039-02B
22	Unclip ME-SFI [ME] control unit (N3/10) and secure with connected line to engine against falling down		AR07.08-P-7013MRD
23	Remove bracket of ME-SFI [ME] control unit (N3/10)
24	Remove vacuum line (1) from vacuum pump
25	Remove coolant bleed lines (8) from cylinder head cover and charge air cooler	 Hose clamp pliers	*003589033700
26	Remove coolant hose (9) from engine	 Hose clamp pliers	*003589033700
27	Remove coolant hose (2) from bulkhead		AR20.20-P-7441-01RQ
28	Remove coolant hoses (6, 7)		AR20.20-P-7441-01RQ
29	Remove bracket for coolant line (4) from timing case cover	 M61	*BA00.10-P-1002-04A
30	Remove coolant line (4) from charge air cooler		AR20.20-P-7441-01RQ
31	Remove coolant hose (5) from charge air cooler		AR20.20-P-7441-01RQ
32	Release and disconnect purge line (3) at charge air cooler and seal openings with suitable stop plugs	 Record plug	*129589009100
33	Release and disconnect inerting system line at firewall and seal openings with suitable stop plugs	Engine 274.9 in model 238 with code 2U8 (Alternative refrigerant) except code M005 (4MATIC)
			AR86.10-P-0419LWE
		 Record plug	*129589009100
34	Remove poly-V belt		AR13.22-P-1202MRD
35	Release and disconnect electrical connector of refrigerant compressor (A9)
36	Remove refrigerant compressor (A9) from crankcase, place with connected refrigerant lines to one side and secure against falling down	 Screw/bolt, refrigerant compressor to timing case/crankcase/engine support	*BA83.55-P-1001-01M
37	Attach load tilter to all available engine lifting lugs as well as to boom crane and slightly lift engine
	000 588 00 62 00 Load tilter		WS01.00-P-0102B
		 When lifting engine, do not subject engine mounts to tension. Otherwise, engine mounts are damaged.
		 Commercially available devices/tools Boom crane
38	Remove front engine mounts from engine supports		AR22.10-P-4330MRD
39	Lift out the engine together with the transmission
	000 588 00 62 00 Load tilter		WS01.00-P-0102B
		 When lifting out/in engine with transmission, do not damage any lines or hoses. Otherwise leaks and engine damage can occur.
		 Commercially available devices/tools Boom crane
		 Two helpers required.
40	Install in the reverse order
	Check
41	Check engine oil level; correct if necessary
			AP18.00-P-1811MP
42	Check installation position and unobstructed movement of all components of the exhaust system
 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
43	Perform engine test run and check engine and transmission for proper operation and leak tightness

 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

 Ground points

Number	Designation			Model 238
BA00.19-P-1039-02B	Bolt/nut, ground line to transmission/underfloor	M8	Nm	20

 Oil pan

Number	Designation		Engine 274
BA01.45-P-1002-01T	Drain screw to oil pan	Nm	40

 Injection nozzles, injection valves, lines

Number	Designation			Engine 274
BA07.03-P-1003-01F	Dust cap at service connection	Plastic	Nm	2
		Metal	Nm	15

 Wiring harness

Number	Designation			Model 238
BA54.18-P-1001-02C	Nut, positive line to busbar on firewall	M6	Nm	8
		M8	Nm	16

 Refrigerant compressor

Number	Designation		Engine 274
BA83.55-P-1001-01M	Screw/bolt, refrigerant compressor to timing case/crankcase/engine support	Nm	20

 Engine lubrication

Number	Designation			Engine 274.91 in model 205, 213 Engine 274.92 in model 205, 213, 238, 253 except code M005 (4MATIC)
BF18.00-P-1001-01ZA	Engine oil	Oil filling capacity with oil filter	l	7
		Sheet		BB00.40-P-0223-02A

003 589 03 37 00

Hose clamp pliers

129 589 00 91 00

Record plug

171 589 00 37 00

Pliers for click clamps

119 589 04 63 00

Pressure hose

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