Remove/install transmission with torque converter - AR27.10-P-0500V

TRANSMISSION 722.999 in MODEL 171.454 

TRANSMISSION 722.906 in MODEL 171.456 

TRANSMISSION 722.907 in MODEL 171.473 

Fig 1: Identifying Torque Converter Components

Courtesy of MERCEDES-BENZ USA

Shown on model 171.456 

Fig 2: Identifying Transmission And Torque Converter

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Before starting work, the area around the oil cooling lines must be thoroughly cleaned on the transmission (5) in the area around the separation points. Even the smallest dirt particles in the hydraulic components can lead to malfunctions and a total failure of the transmission (5).
1	Move selector lever into position "N"
2	Release parking brake
3	Open engine hood		AR88.40-P-1000V
4	Disconnect ground cable of battery		AR54.10-P-0003V
	-		-
5	Raise vehicle with lifting platform		AR00.60-P-1000V
6	Remove bottom engine compartment paneling		AR61.20-P-1105V
7.1	Detach electrical connector of heated O2 probes	Model 171.454/456	AR07.52-P-5303VA
7.2	Remove complete exhaust system	Model 171.473	AR49.10-P-7000VT
8	Unclip all electrical feed lines from retaining clamps at transmission (5).
9	Remove shield (1) and detach electrical connector from electric controller unit.		AR27.40-P-0700-01V
			*BA27.40-P-1014-01A
10	Detach shift rod (15) at range selector lever (16) of transmission (5)	Installation:  Install new retaining clamp (14).	AR27.60-P-0990VA
11	Support transmission (5) with transmission jack and transmission platform and lash down securely.		*WE58.40-Z-1030-11A
			*WE58.40-Z-1018-11A
12	Unscrew bolts (2, 4) and remove rear engine support (3) with rear engine mount	Check rear engine mount for wear and replace if necessary.	AR22.10-P-1160VA
		Installation:  Attach ground (transmission) (W49) to rear engine mount. Engine 113
		Bolt, rear engine crossmember to body	*BA22.10-P-1006-01S
		Bolt of rear engine mount to transmission	*BA22.10-P-1004-01S
		Engine 272
		Bolt, rear engine crossmember to body	*BA22.10-P-1003-01O
		Bolt of rear engine mount to transmission	*BA22.10-P-1008-01O
13	Remove front flexible coupling (20v)	If the fitted sleeves are jammed: ↓	AR41.10-P-0050-02V
		Loosen fitting sleeves of flexible coupling (20v).	AR41.10-P-0050-09V
		Prepare drift for loosening fitted sleeves in flexible couplings.	WF58.50-P-4110-01A
		Installation:  Attach front propeller shaft (20) to transmission (5).	AR41.10-P-0050-07V
			*BA41.10-P-1001-01A
14	Detach torque converter (9) from driven plate	Do not use an impact wrench or compressed-air tool, otherwise the threaded unions of the drive plate will be damaged.	AR27.20-P-0100-01A
			*BA27.20-P-1002-01C
			Fig 3
15	Press torque converter (9) evenly off driven plate using long wedge	Do not damage torque converter (9) and driven plate.
			Fig 5
16	Detach right and left oil cooling line from transmission (5) and engine oil pan and place to the side.	Do not bend or kink oil cooling lines. Seal connections on transmission (5) and on the oil cooling lines with stop plugs
			Fig 4
		Installation:  Replace O-rings.
			*BA27.55-P-1003-01D
			*BA27.55-P-1004-01D
			*BA27.55-P-1002-01D
17	Detach starter from transmission (5).	Place starter to the side with lines connected and secure to prevent it falling down.
		Model 171.454/456	AR15.30-P-7100VA
		Model 171.473	AR15.30-P-7100VT
18	Remove bolts (8)	Installation:  Secure bracket of electric feed lines at transmission (5).
			*BA27.40-P-1008-01A
19	Remove transmission (5) from below	Secure torque converter (9) to prevent it from falling out. Installation: Align the holes of the torque converter (9) with the threaded unions in the driven plate.
20	Remove torque converter (9) with grab handles	If necessary	AR27.20-P-0500-01W
	Checking
21	Check threaded unions in driven plate	If the threaded unions are damaged or loose the driven plate must be replaced.
22	Install in the reverse order
23	Perform basic programming		AR00.19-P-0200V
24	Fill transmission (5) with transmission oil	When installing new transmission (5) or if the transmission oil has been drained.	AR27.00-P-0270W
25	Check transmission oil level; correct if necessary		AR27.00-P-0100W
26	Read out fault memory with STAR DIAGNOSIS and erase if necessary.	STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A
27	Perform transmission adaptation	A Transmission adaptation must be carried out after exchanging or repairing the transmission (5).
	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.	-
28	Carry out engine test run and check transmission (5) for function and leaks

Fig 3: Identifying Wrench Socket (001 589 65 09 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Set Of Stop Plugs (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA