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Remove/install auxiliary oil pump for automatic transmission - AR27.30-P-0651EWM

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TRANSMISSION 725.0 

Fig 1: Auxiliary Oil Pump For Automatic Transmission Remove/Install Components
G09975730Courtesy of MERCEDES-BENZ USA
IMPORTANT Notes on automatic transmission   AH27.19-P-0001-01NKB
REMOVINGINSTALLING Remove/install     
1 Remove fully integrated transmission control controller unit (Y3/8)   AR27.19-P-0200EWM 
NOTES Cleanliness is essential when working on the transmission.
Otherwise, even the smallest foreign particle in the hydraulic components of the transmission can lead to malfunctions or a total failure of the transmission.
IMPORTANT For cleaning, use lint-free cleaning cloth. Chamois leathers are the most suitable.
2 Remove screws/bolts (3) TORQUE SPECIFICATION Screw/bolt, electrical connection for auxiliary oil pump to control unit *BA27.19-P-1004-01D 
3 Unscrew screws/bolts (2) and remove the electrical transmission oil pump (M42) INSTALLATION IMPORTANT Replace bolts (2).  
TORQUE SPECIFICATION Screw/bolt, auxiliary oil pump to shift valve body cover *BA27.19-P-1002-01D 
4 Install in the reverse order    
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation TRANSMISSION 725.0
BA27.19-P-1002-01D Screw/bolt, auxiliary oil pump to shift valve body cover Stage 1 Nm 4
Stage 2 ∠° 90
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation TRANSMISSION 725.0
BA27.19-P-1004-01D Screw/bolt, electrical connection for auxiliary oil pump to control unit Nm 5