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Remove/Install Rear Axle Differential Assembly - AR35.30-P-0432GW

MODEL 463 as of model year 2013/facelift 2012 

Fig 1: Rear Axle Differential Assembly Components Location - Model 463 As Of Model Year 2013
G13668149Courtesy of MERCEDES-BENZ USA
REMOVING Removing     
1 Lift/jack up vehicle   AR00.60-P-1000G
2 Drain oil IMPORTANT Remove oil drain screw.  
3 Remove cover (1)    
4 Remove both rear axle shafts   AR35.30-P-0620GW 
5 Remove bearing bracket (2) IMPORTANT Mark the installation position of the bearing brackets (2).  
6 Mark shims (4) and bearing outer races (5) IMPORTANT Mark the installation position.  
7 Remove differential assembly (3) IMPORTANT Mount spreader and spread rear-axle housing until the differential assembly (3) can be removed.  
    SPECIAL TOOL Spreader Fig 2
CLEANING Clean     
8 Clean parts Cold degreasing agent/cold cleaning solvent HAKU 1025-920 *BR00.45-Z-1051-04A 
INSPECT Check     
9 Inspect parts and replace if necessary IMPORTANT Dismantle differential assembly (3) if necessary and reassemble:  
    ↓  
    Disassemble/assemble differential assembly (3). AR35.30-P-0433GW 
INSTALLING Install     
10 Determine thickness of shims (4) for adjusting rear axle housing IMPORTANT Only if parts of the differential assembly (3) have been replaced. In this case the pretension of the tapered roller bearing has to be determined again. AR35.30-P-4815-03GW 
    SPECIAL TOOL Adjustment Device Fig 3
11 Remove ring gear from differential IMPORTANT Only if parts of the differential assembly (3) have been replaced. The ring gear has to be removed in order to measure the friction torque of the tapered roller bearing:  
    ↓  
    Disassemble/assemble differential assembly (3). AR35.30-P-0433GW 
12 Install differential assembly (3) IMPORTANT Only if parts of the differential assembly (3) have been replaced.  
    IMPORTANT Mount spreader and spread rear axle housing apart until the differential assembly (3) can be inserted. Turn the differential several times while simultaneously aligning the bearing outer races (5) and bearing rollers by applying settling blows to the differential.  
    SPECIAL TOOL Spreader Fig 2
INSPECT Checking     
13 Checking friction torque of tapered roller bearings IMPORTANT Only if parts of the differential assembly (3) have been replaced. AR35.30-P-0470-04GW 
14 Remove differential assembly (3) IMPORTANT Only for new differential housing or new tapered roller bearings. Mount spreader and spread axle housing until the differential assembly (3) can be removed.  
    SPECIAL TOOL Spreader Fig 2
15 Mount ring gear to differential Only if parts of the differential assembly (3) have been replaced:
↓
Disassemble, assemble differential assembly		 AR35.30-P-0433GW 
16 Install differential assembly (3) IMPORTANT Pay attention to the markings on the shims (4) and bearing outer races (5).
Mount spreader and spread axle housing until the differential assembly (3) can be inserted. Align the bearing outer races (5) and bearing rollers by applying settling blows to the ring gear; turn the ring gear several times when doing so.		  
    SPECIAL TOOL Spreader Fig 2
17 Install bearing bracket (2) IMPORTANT Note marking.  
    TORQUE SPECIFICATION Bolt, bearing bracket to axle housing *BA35.30-P-1001-05A 
HIGH PRESSURE TEST Measure     
18 Measure gear backlash and adjust if necessary   AR35.30-P-0475-03GW 
    SPECIAL TOOL Dial Indicator Fig 4
    SPECIAL TOOL Dial Indicator Holder Fig 5
INSPECT Check     
19 Check contact pattern of ring gear and drive pinion   AR35.30-P-0475-02GW 
    SPECIAL TOOL Holding Device Fig 6
20 Install rear axle shafts   AR35.30-P-0620GW 
21 Install cover (1) IMPORTANT Replace the seal (6); do not use any sealing compound.
TORQUE SPECIFICATION Bolt, end cover to axle housing		 *BA35.30-P-1003-02A 
22 Screw in oil drain screw TORQUE SPECIFICATION Oil drain screw to axle housing *BA35.30-P-1001-02A 
23 Remove oil filler screw and fill with oil FLUID SPECIFICATION Hypoid gear oil *BF35.10-P-1001-01A 
24 Screw in oil filler plug TORQUE SPECIFICATION Oil filler screw to axle housing *BA35.30-P-1002-02A 
25 Lower vehicle   AR00.60-P-1000G
REAR AXLE DRIVE

Number Designation Model 460, 461, 463
BA35.30-P-1001-02A Oil drain screw to axle housing Nm 90
BA35.30-P-1002-02A Oil filler screw to axle housing Nm 90
BA35.30-P-1003-02A Bolt, end cover to axle housing Nm 65
CROWN WHEEL AND DIFFERENTIAL

Number Designation Model 460 461, 463
BA35.30-P-1001-05A Bolt, bearing bracket to axle housing Nm 75
REAR AXLE

Number Designation Model 463 except model 463.270/271/272/273 Model 463.270/271/272/273
BF35.10-P-1001-01A Hypoid gear oil Filling capacity Liters 1.8 1.8
Specifications for Operating Fluids - BB00.40-P-0235-00A BB00.40-P-0235-61A
Fig 2: Identifying Spreader (460 589 05 31 00)
G13668150Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Adjustment Device (601 589 00 21 00)
G13668151Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Dial Indicator (001 589 53 21 00)
G13668152Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Dial Indicator Holder (363 589 02 21 00)
G13668153Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Holding Device (601 589 01 40 00)
G13668154Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1051-04A Cold degreasing agent/cold cleaning solvent HAKU 1025-920 Chemische Werke Kluthe GmbH Gottlieb-Daimler-Str. 12 69115 Heidelberg Germany
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