Remove/install multi-disk brake B1 and oil pump - AR27.50-P-0721A

TRANSMISSION 722.6

Fig 1: Identifying Multi-Disk Brake B1 And Oil Pump Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Multi-Disk Brake B1 And Oil Pump Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

2.8.00

Figure modified from 8 Nm to 10 Nm

Value modified in BA27.40-P-1004-01A for transmission 722.6

*BA27.40-P-1004-01A

	Dismantle
1	Remove multi-disk clutch K1, K2 and K3		AR27.50-P-0621A
2	Unscrew Torx socket bolts (7a) and remove oil pump (7)	Removal : Screw two opposed bolts into the oil pump housing and press the oil pump out of the converter housing by applying light blows with a plastic hammer.
2	Unscrew Torx socket bolts (7a) and remove oil pump (7)	According to findings ↓ Dismantle and assemble oil pump	AR27.50-P-0720-01A
3	Unscrew Torx socket bolts (6a) and remove multi-disk brake B1 (6) from converter housing	Removal : Screw two opposed bolts into the multi-disk brake B1 and separate from the converter housing by applying light blows with a plastic hammer. According to findings ↓
3		Dismantle and assemble multi-disk brake B1	AR27.50-P-0870A
4	Detach intermediate panel (8) from converter housing (1)	Use a suitable tool for loosening Additional work ↓
4	Detach intermediate panel (8) from converter housing (1)	Remove/install multi-disk brake B2, multi-disk pack B3 and park pawl gear	AR27.50-P-0781A
	Assembling
5	Place intermediate panel (8) on converter housing (1) and align	The intermediate panel can generally be used several times. The panel must not be coated with sealant
6	Securely tighten multi-disk brake B1 (6) on converter housing (1)	Installed position of multi-disk brake B1 in relation to converter housing is specified by a plain dowel pin in the multi-disk brake B1 (arrow).
6			*BA27.40-P-1004-01A
7	Install oil pump (7) and securely tighten		*BA27.40-P-1003-01A
8	Install multi-disk clutch K1, K2 and K3		AR27.50-P-0621A

HOUSING

Number	Designation		Transmission 722.6 except 722.660/661/662/ 663/666/673/674
BA27.40-P-1003-01A	Bolt, oil pump with multi-disk brake B1 to torque converter housing	Nm	20
BA27.40-P-1004-01A	Bolt, multi-disk brake B1 to converter housing	Nm	10