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Home >> Mercedes Benz >> 2012 >> S65 >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle - 221 Chassis - 2 Of 2 >> Testing & Repair >> Remove/install differential >> Remove/install differential - AR35.31-P-0520IA

Remove/install differential - AR35.31-P-0520IA

Rear axle differential dia. 240 in MODEL 215, 220 

Fig 1: Identifying Differential Remove/Install Components - Shown With Screwed Rear Axle Shafts
G10109962Courtesy of MERCEDES-BENZ USA

Shown with screwed rear axle shafts 

MODIFICATION NOTES

25.2.05 BF35.31-P-1001-01J replaced by reference to AR35.31-P-0520-03I Step 15  
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.  
NOTES Notes on self-locking nuts and bolts    
NOTES While working on the rear axle care must be taken to ensure that the surface of all aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the parts will be affected    
1 Raise vehicle with vehicle lift    
2 Remove rear wheel    
REFER TO MAINTENANCE Remove/install wheels    
3 Remove exhaust system from flange connection back Engine 275
Engine 113, 137 see: ↓
Remove complete exhaust system:
AR49.10-P-7280M
Engine 113  
Engine 137 AR49.10-P-7000L
4.1 Detach rear axle shafts (3) from rear axle differential (1) Vehicles with screwed rear axle shafts
IMPORTANT Bring rear axle shaft (3) into approximately horizontal position and push together.
IMPORTANT Remove rear axle shaft (3) diagonally downwards from connecting flange on rear axle differential (1) and secure to prevent it from falling.
IMPORTANT Lightly oil bolts at thread and bolt head contact surface.
 
TORQUE SPECIFICATION *BA35.30-P-1002-01A 
4.2 Remove rear axle shafts (3) Vehicles with plug-in rear axle shafts  
5 Mark propeller shaft (2) IMPORTANT Apply color marking indicating position of propeller shaft relative to rear axle differential (1) to ensure that components are fitted at correct ex factory installation positions on reinstallation, otherwise vibration may occur along the drive train.  
6 Detach propeller shaft (2) from rear axle differential (1) IMPORTANT The flexible coupling remains on the propeller shaft (2).
IMPORTANT Tie the propeller shaft (2) to one side and secure to prevent it from falling.
AR41.10-P-0050-04I
7 Detach fitting sleeves of flexible coupling on flange of rear axle differential (1) If the fitted sleeves are jammed: ↓ AR41.10-P-0050-09I
REFER TO SHOP-MADE TOOLS   Prepare drift for loosening fitted sleeves in flexible couplings. WF58.50-P-4110-01A
TORQUE SPECIFICATION *BA41.10-P-1002-01A 
8 Support rear axle differential (1) with SPECIAL TOOL assembly attachment SPECIAL TOOL Assembly attachment Fig 2
SPECIAL TOOL Assembly attachment Figure
9 Detach extension bracket (5) from rear axle carrier (4) by removing bolts (6) IMPORTANT The rear axle differential (1) can only be removed/installed when the extension bracket (5) is mounted.  
TORQUE SPECIFICATION *BA35.10-P-1001-02A 
10 Detach screw connection (8) of front differential mount (7) TORQUE SPECIFICATION Model 215 and 220 except model 215.374/376/379, 220.074/174/176/179 *BA35.10-P-1002-04A 
TORQUE SPECIFICATION Model 215.374/376/379, 220.074/174/176/179 *BA35.10-P-1003-04A 
11 Lower and remove rear axle differential (1)    
12.1 Detach extension bracket (5) from rear axle differential (1) If necessary  
TORQUE SPECIFICATION *BA35.10-P-1002-02A 
13 Replace breather (9) of rear axle differential(1) TORQUE SPECIFICATION *BA35.31-P-1005-02A 
14 Install in the reverse order    
15 Check oil level in rear axle differential (1) and correct if necessary IMPORTANT Mixing of old universal hypoid gear oil and the new FE hypoid gear oil should be avoided due to the better fuel economy. AR35.31-P-0520-03I
    Loctite 7063 cleaning spray (150 ml) *BR00.45-Z-1046-04A 
    Sealant, Omnifit 100H (50 g) *BR00.45-Z-1061-01A 
    TORQUE SPECIFICATION Oil filler screw for rear axle differential *BA35.31-P-1002-02A 
REFER TO COMPONENT MODIFICATIONS Oil filler/drain screw on rear axle differential modified Phased in as of 19.01.04 BT35.31-P-0015-01A
EXTENSION BRACKET FOR REAR AXLE DIFFERENTIAL

Number Designation Model 215.374/376/379 Model 215.373/375/378
BA35.10-P-1001-02A Self-locking nut securing rear extension bracket to rear axle carrier Stage 1 Nm 95 40
Stage 2 ∠° - 90
BA35.10-P-1002-02A Bolt, extension bracket to rear axle differential Yellow Nm 80 80
silver or blue Nm 70 70
EXTENSION BRACKET FOR REAR AXLE DIFFERENTIAL

Number Designation Model 220.025/026/028/063/065/067/070/073/075/083/084/087/125/126/128/165/167/170/173/175/178/183/184/187 Model 220.074/174/176/179
BA35.10-P-1001-02A Self-locking nut securing rear extension bracket to rear axle carrier Stage 1 Nm 40 95
Stage 2 ∠° 90 -
BA35.10-P-1002-02A Bolt, extension bracket to rear axle differential Yellow Nm 80 80
silver or blue Nm 70 70
FRONT DIFFERENTIAL MOUNT

Number Designation Model 215.373/375/378 Model 215.374/376/379
BA35.10-P-1002-04A Self-locking bolt, rear axle differential to front differential mount Yellow Nm 45 -
silver or blue Nm 60 -
BA35.10-P-1003-04A Self-locking nut, rear axle differential to front differential mount Stage 1 Nm - 100
Stage 2 ∠° - 180
FRONT DIFFERENTIAL MOUNT

Number Designation Model 220.025/026/028/063/065/067/070/073/075/083/084/087/125/126/128/165/167/170/173/175/178/183/184/187 Model 220.074/174/176/179
BA35.10-P-1002-04A Self-locking bolt, rear axle differential to front differential mount Yellow Nm 45 -
silver or blue Nm 60 -
BA35.10-P-1003-04A Self-locking nut, rear axle differential to front differential mount Stage 1 Nm - 100
Stage 2 ∠° - 180
REAR AXLE SHAFT

Number Designation Model 215 Model 220
BA35.30-P-1002-01A Self-locking bolt, rear axle shaft to connecting flange (thread and bolt head contact surface oiled) M10 Nm 70 70
M12 Nm 100 100
PROPELLER SHAFT

Number Designation Model 215 Model 220
BA41.10-P-1002-01A Self-locking nut, flexible coupling to rear propeller shaft or rear axle differential. M10 Nm - -
M12 Nm 60 60
DIFFERENTIAL HOUSING

Number Designation Model 215 Model 220
BA35.31-P-1002-02A Oil filler screw, differential Nm 50 50
BA35.31-P-1005-02A Breather, rear axle differential Nm 30 30
Fig 2: Identifying Assembly Top For Mounting Rear Axle Gear (240 589 00 62 00)
G07274434Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Assembly Attachment (140 589 01 62 00)
G07693831Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1061-01A Sealant, Omnifit 100H (50 g) A 002 989 23 71
BR00.45-Z-1046-04A Loctite 7063 cleaning spray (150 ml) A 001 986 71 71 10