Removal and installation of transmission with torque converter - AR27.10-P-0500A

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

TRANSMISSION 722.5

Fig 1: Identifying Transmission With Torque Converter Components - Transmission 722.5

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removal, installation
1	Connect battery ground cable
2	Press off ball socket, compress plastic clip with pliers and remove control pressure cable (98)
3	Unscrew drain plugs (2, 4a) on torque converter and transmission, drain transmission oil	If the transmission oil smells burnt or is interspersed with lining abrasion, the torque converter, oil cooler lines and oil cooler must be flushed out. ↓ Refer to work step 22. If there are metal chips in the transmission oil, the torque converter must be replaced. Metal chips cannot be completely eliminated by flushing and can result in subsequent transmission damage. Comply with the local regulations for disposing of the oil.
			*BA27.20-P-1001-01A
			*BA27.10-P-1001-03A
4	Unscrew hexagon bolts (17) of carrier plate/torque converter		*BA27.20-P-1002-01A
5	Support transmission	Lowering the transmission may damage components
6	Remove rear engine cross member (19)		ra22001042120x
7	Remove exhaust bracket (10) and U-bolt (11) by unscrewing self-locking nuts (7)	Installation: Replace self-locking nuts
8	Remove shield (5)
9	Unscrew front propeller shaft (71) at transmission	Model 124	ra4100107b050x
		Model 129	AR41.10-P-0050A
		Model 140	AR41.10-P-0050DA
		Model 210	AR41.10-P-0050B
10	Unhook exhaust system (60) at the rear mount	Suspend on a V-belt.
11	Unscrew speedometer shaft (9) or inductive sensor (85a)
12	Disconnect plug connection of solenoid valves (Y3/1x1)
13	Unplug Lambda sensor cable on the tunnel, loosen fixing clip
14	Detach plug (8) of starter lock-out switch	Turn plastic ring upwards
15	Remove clip locking device (32) and unhook shift rod
16	Disconnect vacuum line (12)
17	Unscrew banjo bolts (13a) for supply and return lines of the oil cooler (13)
18	Unscrew oil filter pipe (15)
19	Unscrew ground strap (27) on transmission
20	Unscrew transmission at engine block and remove downwards at an angle		Fig 5
		Installation: Ensure correct seating of plain dowel pins
21	Remove, install torque converter		AR27.20-P-0500-01A
22	Flush out oil cooler with oil cooler pipe and torque converter	If transmission oil is burnt or interspersed with lining abrasion	AR27.20-P-0500-02A
23	Check torque converter	If necessary, when replacing the torque converter, also replace the radial sealing ring of the primary pump.	AR27.20-P-0500-03A
24	Install in reverse sequence
25	Fill transmission and torque converter	without changing the oil filter	AP27.10-P-2702AA
26	Check oil level in automatic transmission and correct, if necessary		AR27.00-P-0100A

TEST VALUES OF TORQUE CONVERTER

Number	Designation			Transmission 722.5
BE27.20-P-1001-01A	Overall height of torque converter	Torque converter dia.	mm	270
		in new condition	mm	120.7
		Maximum height in the case of repair	mm	121.5
BE27.20-P-1002-01A	Installed height of torque converter	Distance to transmission housing	mm	9.6

OIL PAN OF AUTOMATIC TRANSMISSION

Number	Designation		Transmission 722.3	Transmission 722.4/5/7
BA27.10-P-1001-03A	Oil drain plug on oil pan	Nm	14	22

TORQUE CONVERTER

Number	Designation		Transmission 722.5
BA27.20-P-1001-01A	Oil drain plug on torque converter	Nm	14
BA27.20-P-1002-01A	Hexagon bolt, torque converter to carrier plate	Nm	42

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1007-06A	Grease	A 001 989 37 51

Fig 2: Identifying Handle (126 589 01 62 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Drive Shaft (116 589 00 15 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Hand Pump (210 589 00 71 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 5: Identifying Attachment (140 589 02 62 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.