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Remove/install electrohydraulic controller unit (transmission installed) - AR27.19-P-0200CW

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TRANSMISSION 722.6 in MODEL 204.0/2 

TRANSMISSION 722.6 in MODEL 212 

Fig 1: Electrohydraulic Controller Unit Components (Transmission Installed)
G09975712Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
NOTES Before starting work the area around the separation points on the transmission must be thoroughly cleaned. Even the smallest dirt particles, introduced into the hydraulic components, can lead to malfunctions and a total failure of the transmission    
1 Move selector lever to position "P"    
2 Remove oil drain screw (4) and drain transmission oil INSTALLATION IMPORTANT Replace sealing ring (4a).  
TORQUE SPECIFICATION
IMPORTANT If the transmission oil is burnt or contains wear debris, the oil cooling lines and oil cooler must be flushed: ↓
Flush out automatic transmission and torque converter.
*BA27.10-P-1001-03A 
Without transmission flushing device AR27.55-P-0100A
With transmission flushing device AR27.55-P-0100B
3 Detach heat shield (62) and unplug connector (26)   AR27.10-P-0500-01A
TORQUE SPECIFICATION *BA27.40-P-1014-01A 
4 Remove bolt (22) of pilot bushing (21)    
5 Loosen pilot bushing (21), remove from transmission housing and replace if required   AR27.19-P-0230A
TORQUE SPECIFICATION *BA27.19-P-1003-01A 
6 Detach transmission oil pan (3) INSTALLATION IMPORTANT Install new seal  
TORQUE SPECIFICATION *BA27.10-P-1002-03A 
7 Remove oil filter (5) INSTALLATION IMPORTANT Install new O-ring.  
8 Remove bolts (19a) and detach electric controller unit (Y3/6) TORQUE SPECIFICATION *BA27.19-P-1001-01A 
INSTALLATION IMPORTANT Insert selector valve in driver of detent plate AR27.19-P-0200-01A 
9 Install in the reverse order    
10 Check oil level in automatic transmission, correct if necessary   AR27.00-P-0100AC
11 Read out fault memory with STAR DIAGNOSIS and erase if necessary    
12 Perform transmission adaptation with STAR DIAGNOSIS IMPORTANT A transmission adaptation must be carried out after replacing or repairing the transmission.  
DANGER 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
13 Perform engine test run and check transmission for proper function and leaktightness.
OIL PAN, AUTOMATIC TRANSMISSION

Number Designation Transmission 722.6 except 722.628/648/649
BA27.10-P-1001-03A Oil drain screw to oil pan Nm 20
BA27.10-P-1002-03A Bolt, oil pan to transmission housing Nm 8
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation Transmission 722.6
BA27.19-P-1001-01A Bolt, electrohydraulic controller unit to transmission housing Stage 1 Nm 8
Stage 2 ∠° -
Stage 3 ∠° -
BA27.19-P-1003-01A Bolt, pilot bushing to electrohydraulic controller unit Nm 2.5
HOUSING

Number Designation Transmission 722.6 except 722.660/661/662/663/666/673/674
BA27.40-P-1014-01A Bolt, heat shield to transmission housing Nm 6