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Detach/attach transmission housing on torque converter housing. - AR27.50-P-0601A: Notes

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TRANSMISSION 722.6 

Fig 1: Identifying Transmission Housing & Torque Converter Housing Components
G04606577Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Modification notes

27.7.01 Magnet in oil pan, newly included Step 4 and 26 added BT27.40-P-0003-01A
DISASSEMBLING Disassemble    
1 Fasten transmission on assembly stand   AR27.10-P-0600-01B 
    SPECIAL TOOL Assembly stand Figure
    SPECIAL TOOL Support plate Figure
REFER TO SHOP-MADE TOOLS   Support plate for transmission mount WF58.50-P-2750-04A
2 Loosen guide bush (21) and remove from transmission housing    
3 Detach oil pan (3)    
4
REFER TO COMPONENT MODIFICATIONS		 Remove magnet (69) from oil pan Vehicles as of 04/2001.
Magnet in oil pan, newly included		 BT27.40-P-0003-01A
5 Remove oil filter (5)    
6 Unscrew Torx socket bolts (19a) and remove electrohydraulic control unit (19) IMPORTANT According to condition:
Disassemble and assemble electrohydraulic control unit		 AR27.19-P-0220A 
7 Detach output flange (48) SPECIAL TOOL Socket wrench bit
IMPORTANTModel 463:  The output flange is not designed as a three-arm flange but as a cylindrical flange		 Figure
8 Press out radial seal ring (20)    
9 Remove shim (67a) IMPORTANT As of transmission no. 1658778.  
10 Remove circlip (68)    
11 Remove deep-groove ball bearing (67) from transmission housing   AR27.50-P-0601-01A 
SPECIAL TOOL Puller Figure
SPECIAL TOOL Tensioning clamp Figure
12 Remove shim (18)    
13 Unscrew Torx socket bolts (1 a, 2a) from converter housing and transmission housing COMMERCIALLY AVAILABLE TOOLS Torx insert for Torx bolts *WH58.30-Z-1039-06A 
14 Remove transmission housing (2) from converter housing (1) Continued operations according to findings: ↓  
Remove/install multi-disc clutch K1, K2 and K3 Remove/install multiple-disc brake B2, multiple-disk pack B3 and park pawl gear AR27.50-P-0621A 
AR27.50-P-0781A 
DISASSEMBLING Assemble     
15 Using grease, install both Teflon rings (12a) in the groove so that the joint stays together    
16 Mount transmission housing (2) on converter housing (1) NOTES Align discs of multiple-disc brakes B2 and B3.  
17 Screw in Torx socket bolts (1a, 2a) TORQUE SPECIFICATION *BA27.40-P-1002-01A 
18 Measure end play between park pawl gear and grooved ball bearing IMPORTANT Only necessary when installing new parts, e.g. gear set, output shaft etc. AR27.50-P-0600-06A 
SPECIAL TOOL Steel straightedge Figure
*BE27.50-P-1004-01A 
19 Install shim (18)    
20 Install grooved ball bearing in rear transmission housing   AR27.50-P-0600-05A 
21 Insert shim (67a) IMPORTANT As of transmission no. 1658778.  
REFER TO COMPONENT MODIFICATIONS Additional shim between grooved ball bearing and output flange Transmission 722.6 BT27.10-P-0005-01A 
22 Drive radial seal ring (20) into transmission housing SPECIAL TOOL Drift Fig 3
23 Install output flange (48)   AR27.50-P-0600-04B 
SPECIAL TOOL Socket wrench bit Figure
TORQUE SPECIFICATION *BA27.50-P-1001-01A 
24 Install and tighten electrohydraulic control unit (19)  
TORQUE SPECIFICATION		 BA27.19-P-1001-01A
25 Install oil filter (5)    
26
REFER TO COMPONENT MODIFICATIONS		 Insert magnet (69) in oil pan Vehicles as of 04/2001.
CLEAN Clean abrasion particles from magnet. Magnet in oil pan, newly included		 BT27.40-P-0003-01A
27 Mount oil pan (3) TORQUE SPECIFICATION *BA27.10-P-1002-03A 
28 Insert guide bush (21) in transmission housing and tighten    
Test values for gear set

Number Designation Transmission 722.6
BE27.50-P-1004-01A End play between park pawl gear and grooved ball bearing mm 0,3-0,5
TORQUE SPECIFICATION Housing

Number Designation Transmission 722.6 except 722.660/661/66 2/663/666/674
BA27.40-P-1002-01A Bolt, transmission housing to torque converter housing Nm 20
TORQUE SPECIFICATION Automatic transmission oil pan

Number Designation Transmission 722.6 except 722.628/ 648/649
BA27.10-P-1002-03A Bolt, oil pan to transmission housing Nm 8
∠ -
TORQUE SPECIFICATION Gear assembly

Number Designation Transmission 722.6 722.9
BA27.50-P-1001-01A Collar nut, output flange to output shaft Nm 200
TORQUE SPECIFICATION Electrohydraulic control unit

Number Designation Transmission 722.6
BA27.19-P-1001-01A Bolt, electrohydraulic control unit to transmission housing 1st stage Nm 8
2nd stage ∠ -
Fig 2: Identifying Assembly Stand (116 589 06 59 00)
G04606578Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Identifying Drift (140 589 12 15 00)
G04606579Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 4: Identifying Socket Wrench Bit (126 589 02 09 00)
G04606580Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 5: Identifying Puller (001 589 50 33 00)
G04606581Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 6: Identifying Support Plate (140 589 34 63 00)
G04606582Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 7: Identifying Collet Chuck (140 589 06 34 00)
G04606583Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 8: Identifying Parallel Support (126 589 04 31 00)
G04606584Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Commercially available tools

Number Designation
WH58.30-Z-1039-06A Torx insert for Torx bolts
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