Remove/install transmission with torque converter - AR27.10-P-0500B: Notes

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TRANSMISSION 722.6 in MODELS 129, 140, 170, 202, 208, 210

Fig 1: Identifying Transmission With Torque Converter Components - Transmission 722.6 In Models 129, 140, 170, 202, 208, 210

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

MODIFICATION NOTES

13.1.06	Oil drain screw to torque converter	Transmission 722.6	*BA27.20-P-1001-01C
	Bolt, torque converter to drive plate	Transmission 722.6	*BA27.20-P-1002-01C

	Remove/install
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Before starting the work the area around the oil cooling lines (49) must be thoroughly cleaned in the area around the separation points on the transmission. Even the smallest dirt particles, introduced into the hydraulic components, can lead to malfunctions and a total failure of the transmission
1	Disconnect ground cable of battery	Insulate ground line as a protection against unintentional contact of detached ground line with ground point of battery.
		Model 129, 170, 202, 208, 210	AR54.10-P-0003A
		Model 140	ra54001400003x
	Notes on battery		AH54.10-P-0001-01A
2.1	Detach oil filler pipe (61) from engine	Model 129, 140 with ENGINE 119 Model 202, 210 with engines 111, 604, 605, 606	AR27.10-P-0500-04A
2.2	Remove oil filler pipe (61)	Models 129, 140 with engine 120 Model 210 with engine 119	AR27.10-P-0500-04A
3	Unscrew oil drain screw (4) from transmission oil pan and drain transmission oil	If the transmission oil is burnt or interspersed with abrasive particles, the oil cooler lines (49) and oil cooler must be flushed out: ↓	*BA27.10-P-1001-03A
		Flush oil cooler and oil cooling lines	AR27.55-P-0001A
4	Remove oil drain screw (9) from torque converter and drain transmission oil		*BA27.20-P-1001-01C
		If the transmission oil pan contains metal shavings, drain the transmission fluid from the torque converter via the drain hole through a clean cloth. If the cloth contains metal swarf after draining the transmission oil, it is then necessary to replace the torque converter. In case of doubt, flush the torque converter with ATF only. Metal shavings can damage the transmission at a later stage.
	Oil drain screw (9) on torque converter discontinued	Transmission 722.6	BT27.20-P-0001-01A
5.1	Remove shield (62) and detach 13-pin plug (26)	Shield (62) no longer required on model 129 with engine 119 and engine 120 as of 03.96	AR27.10-P-0500-01A
6	Detach control cable / gears for parking lock interlock (80) from transmission	Transmission models 722.620 up to end no. 0001680 722.621 up to end no. 0001976 722.622 up to end no. 0016286	AR27.60-P-0500-05A
		Transmission models 722.60/61/63/66/69 722.620 as of end no. 0001681 722.621 as of end no. 0001977 722.622 as of end no. 0016287 722.623/624/625/627/628/629 For installing and removing, move the selector lever or range selector lever (33) in position "P" and leave in position "P" when cable/transmission is removed. Installation: Check function of parking shift lock (80).	AR27.60-P-0500-05B
7.1	Detach retaining plate for rack-and-pinion steering	Model 210 4MATIC See: ↓
		Remove/install rack-and-pinion steering	AR46.20-P-0600A
8	Remove cover (81) and remove bolts (95) from torque converter		*BA27.20-P-1002-01C
9	Detach left and right oil cooling line (49) from transmission
10	Remove shift rod (63); to do this remove securing l clips with pliers	Pliers	Fig 3
		Installation: Adjust shift rod (63).	AR27.60-P-0980B
11	Remove exhaust bracket (64).
12.1	Detach exhaust system (94) at rear with V-belt	Model 129, 140, 210 with ENGINE 119
12.2	Remove exhaust system (94) as from connector	Models 129, 140 with engine 120	AR49.10-P-7000F
13	Remove fan shroud from radiator	Model 210 with engine 119 Model 140 with engine 606
14	Remove engine support with rear engine mount (65)	Engine 112, 113	AR22.10-P-1160HV
		Engine 119	ra22001192120x
		Engine 120	AR22.10-P-1160AO
		Model 202, 210 with engines 111, 604, 605, 606	AR22.10-P-1160HB
		Model 202, 210 with engines 611, 612, 613	AR22.10-P-1160HC
15	Detach front propeller shaft (66)		*BA41.10-P-1001-01A
16.1	Detach propeller shaft from transfer case	Model 210 4MATIC	*BA33.30-P-1003-02A
17	Detach ground strap (46) from transmission
18	Unscrew transmission from crankcase and remove downwards at an angle using transmission platform	Secure torque converter to prevent it from falling out.
			*WE58.40-Z-1018-11A
19.1	Remove torque converter using grab handles	If necessary Installation: Grease the torque converter lightly on drive flange.	AR27.20-P-0500-01B
		Multi-purpose paste	*BR00.45-Z-1009-06A
			Fig 2
20	Install in the reverse order
21	Check oil level in transmission and correct if necessary		AR27.00-P-0101A
22	Read out fault memory with STAR DIAGNOSIS and erase if necessary.	STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A
23.1	Perform transmission adaptation	After replacing or repairing transmission, perform transmission adaptation.
	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
24	Perform engine test run and check transmission for leaks and that it is functioning correctly

TORQUE CONVERTER

Number	Designation				Transmission 722.6 except 722.648
BA27.20-P-1001-01C	Oil drain screw to torque converter		M8	Nm	10
BA27.20-P-1001-01C	Oil drain screw to torque converter		M10	Nm	15
BA27.20-P-1002-01C	Bolt, torque converter to drive plate	Straight threaded connection		Nm	42
		Helical cut	Stage 1	Nm	4
			Stage 2	Nm	30
			Stage 3	∠ °	90

OIL PAN, AUTOMATIC TRANSMISSION

Number	Designation		Transmission 722.6 except 722.628/648/649
BA27.10-P-1001-03A	Oil drain screw on oil pan	Nm	20

FRONT AXLE SHAFT

Number	Designation		Model 210.08/28
BA33.30-P-1003-02A	Bolt, front axle gear propeller shaft to transfer case flange	Nm	30

DRIVESHAFT

Number	Designation			Model 129	Model 140	Model 170
BA41.10-P-1001-01A	Self-locking nut of flexible joint to transmission or front propeller shaft	M10	Nm	40	-	40
BA41.10-P-1001-01A		M12	Nm	60	60	60

DRIVESHAFT

Number	Designation			Model 202	Model 208	Model 210
BA41.10-P-1001-01A	Self-locking nut of flexible joint to transmission or front propeller shaft	M10	Nm	40	40	40
BA41.10-P-1001-01A		M12	Nm	60	60	60

Fig 2: Identifying Grab Handle (168 589 00 62 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Pliers (210 589 00 37 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS diagnosis system, Compact Passenger Car	6511 1801 00

WORKSHOP EQUIPMENT

WE58.40-Z-1018-11A

Transmission platform

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1009-06A	Multi-purpose paste	A 000 989 80 51 10