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Home >> Mercedes Benz >> 2012 >> S550 Base >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle - 221 Chassis - 1 Of 2 >> Testing & Repair >> Remove/install rear axle shaft >> Remove/install rear axle shaft - AR35.30-P-0620IM

Remove/install rear axle shaft - AR35.30-P-0620IM

MODEL 215, 220 plug-in rear axle shafts 

Fig 1: Identifying Rear Axle Shaft Remove/Install Components
G10109942Courtesy of MERCEDES-BENZ USA

Schematic representation 

Fig 2: Identifying Retaining Ring, Collar Nut And Differential
G10109943Courtesy 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 four pillars of hoist and position four support plates at hoist mounting points specified by vehicle manufacturer.  
NOTES Notes on self-locking nuts and bolts    
INSTALLATION IMPORTANT Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition.    
1 Raise vehicle with vehicle lift    
2 Remove rear wheel    
REFER TO MAINTENANCE Remove/install wheels    
3 Remove twelve-point collar nut (12) from rear axle shaft (37)   AR35.30-P-0115-01A
TORQUE SPECIFICATION  
4 Detach brake caliper from wheel carrier (7) NOTES Attach brake caliper to vehicle without tension to relieve brake hose so that it is not damaged during repair.
IMPORTANT The brake hose is not removed from the brake caliper during repair work.		  
5 Detach rear brake cable (112a) from automatic cable slack adjuster of parking brake See: ↓  
Remove rear brake cable. AR42.20-P-0525I
6 Remove left rear rpm sensor (L6/3) or right rear rpm sensor (L6/4), remove clip and hang electrical lines to one side   AR42.40-P-0820I
7 Check whether rear axle shaft (37) is firmly attached to rear axle shaft flange (10) IMPORTANT Do not damage the rubber boot and rotor for the rpm sensors on the rear axle shaft (37).
If rear axle shaft is jammed:
↓		  
Press rear axle shaft (37) out of rear axle shaft flange (10). AR35.30-P-0115-03B
SPECIAL TOOL Extraction and insertion tool  
SPECIAL TOOL Bracket  
8.1 Relieve pressure in ABC system Vehicles with Active Body Control (Code 487) only. AR32.50-P-0001-01N
9 Lift wheel carrier (7) using transmission jack and transmission platform until the rear axle shaft (37) is horizontal Transmission jack 2.0-7.0 t
 
Transmission plate for passenger cars and commercial vehicles		  
10 Detach torque strut (3) from wheel carrier (7) INSTALLATION IMPORTANT The rear axle shaft (37) must be horizontal when tightening the bolted connection.  
TORQUE SPECIFICATION  
TORQUE SPECIFICATION  
11 Detach camber strut (2) from wheel carrier (7) INSTALLATION IMPORTANT The rear axle shaft (37) must be horizontal when tightening the bolted connection.  
TORQUE SPECIFICATION  
TORQUE SPECIFICATION  
12 Press tie rod joint (4c) out of wheel carrier (7)   AR35.20-P-0109-01I
SPECIAL TOOL Thrust piece  
SPECIAL TOOL Puller  
TORQUE SPECIFICATION  
13 Unscrew thrust arm (5) from wheel carrier (7)    
TORQUE SPECIFICATION  
TORQUE SPECIFICATION  
14 Unscrew spring control arm (6) on wheel carrier (7)    
TORQUE SPECIFICATION  
15 Lower wheel carrier (7) and pull bolts of spring control arm (6) and thrust arm (5) out of wheel carrier (7)    
16 Lift out wheel carrier (7) IMPORTANT Keep receptacle ready for drops of oil.  
17 Lever rear axle shaft (37) out of rear axle center assembly (13) and remove rear axle shaft (37) NOTES Do not fit assembly lever to protection ring, as the protection ring may be damaged as a result.
IMPORTANT Support the assembly lever on the rear axle center assembly (13) e.g. using an open-end wrench.
INSTALLATION IMPORTANT Replace circlip (11) on inner splined shaft profile.		  
INSPECT Checking     
18 Check constant velocity joints and rubber boots on rear axle shaft (37) for leaks and damage IMPORTANT If the rubber boot or constant velocity joint is defective, the rear axle shaft (37) must be replaced complete.  
19 Install in the reverse order    
20 Check oil level in rear axle differential (13) and correct if necessary IMPORTANT Premixing old universal hypoid transmission oil and new FE hypoid transmission oil should be avoided due to the better fuel economy. AR35.31-P-0520-03I
FLUID SPECIFICATION  
FLUID SPECIFICATION  
21.1 Fill and bleed ABC system Vehicles with Active Body Control (Code 487) only.  
22 Perform wheel alignment check    
REAR AXLE SHAFT

Number Designation Model 215 Model 220
BA35.30-P-1001-01A Collar nut, rear axle shaft to rear axle shaft flange self-locking Nm 350 350
not self-locking Nm 320 320
TORQUE STRUT

Number Designation Model 215 Model 220
BA35.20-P-1001-03B Self-locking nut, tension arm to rear axle carrier M12   Nm 70 70
M14   ∠° 120 120
BA35.20-P-1002-03B Self-locking nut, torque strut to wheel carrier M12   Nm 70 70
M14 Stage 1 Nm 90 90
Stage 2 ∠° 60 60
M16   Nm 230 230
CAMBER STRUT

Number Designation Model 215.373/375/378 Model 215.379
BA35.20-P-1003-02A Self-locking nut, camber strut to wheel carrier. Stage 1 Nm 45 -
Stage 2 ∠° 45 -
BA35.20-P-1004-02A Bolt, camber strut to wheel carrier Stage 1 Nm - 230
Stage 2 ∠° - -
CAMBER STRUT

Number Designation Model 220.025/026/028/063/065/067/070/073/075/083/084/087/125/126/128/163/165/167/170/173/175/178/183/184/187 Model 220.179
BA35.20-P-1003-02A Self-locking nut, camber strut to wheel carrier. Stage 1 Nm 45 -
Stage 2 ∠° 45 -
BA35.20-P-1004-02A Bolt, camber strut to wheel carrier Stage 1 Nm - 230
Stage 2 ∠° - -
TIE ROD

Number Designation Model 215 Model 220
BA35.20-P-1002-04A Self-locking nut, tie rod at wheel carrier yellow M10X1   Nm - -
Silver or blue M10X1   Nm - -
silver or blue M10X1.5 Stage 1 Nm 30 30
Stage 2 ∠° - -
SPRING CONTROL ARM

Number Designation Model 215 Model 220
BA35.20-P-1002-01A Self-locking nut, spring control arm to wheel carrier. Stage 1 Nm 120 120
Stage 2 ∠° - -
TORQUE STRUT

Number Designation Model 215.373/375/378 Model 215.374/376 Model 215.379
BA35.20-P-1003-05A Self-locking nut, thrust arm to wheel carrier Stage 1 Nm 45 - -
Stage 2 ∠° 45 - -
BA35.20-P-1004-05A Bolt, thrust arm to wheel carrier Stage 1 Nm - 90 180
Stage 2 ∠° - 60 -
TORQUE STRUT

Number Designation Model 220.025/026/028/063/065/067/070/073/075/083/084/087/125/126/128/163/165/167/170/173/175/178/183/184/187 Model 220.074/174/176 Model 220.179
BA35.20-P-1003-05A Self-locking nut, thrust arm to wheel carrier Stage 1 Nm 45 - -
Stage 2 ∠° 45 - -
BA35.20-P-1004-05A Bolt, thrust arm to wheel carrier Stage 1 Nm - 90 180
Stage 2 ∠° - 45 -
DIFFERENTIAL

Number Designation Model 215.373/375/378 Model 220.063/065/067/083/084/087/163/165/167/183/184/187 Model 220.025/026/028/070/073/075/125/126/128/170/173/178
Model 220.175 without special protection version code 979
BF35.31-P-1001-01J Filling capacity Differential Liters 1.6 1.1 1.6
Specifications for Operating Fluids Sheet BB00.40-P-0235-07A BB00.40-P-0235-07A BB00.40-P-0235-07A
REAR AXLE DIFFERENTIAL

Number Designation Model 215.374/376/379, Model 220.074/174/176/179/875/876, Model 240
BF35.31-P-1001-01M Filling capacity Rear axle differential Ø 240 mm in rear axle differential 240V Liters 1, 9
Rear axle differential Ø 240 mm in rear axle differential 240FE Liters 1, 6
Specifications for service products Sheet BB00.40-P-0235-07A
Fig 3: Identifying Thrust Washer M 10X1.5 (210 589 04 63 00)
G07304530Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Puller (140 589 00 33 00)
G07492442Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Bracket (210 589 01 40 00)
G07274464Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Extraction And Insertion Tool (210 589 03 43 00)
G07274463Courtesy of MERCEDES-BENZ USA
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