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Home >> Mercedes Benz >> 2021 >> G63 AMG >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle - 463 Chassis >> Testing & Repair >> Disassemble/Assemble Rear Axle Shaft >> Disassemble/Assemble Rear Axle Shaft - AR35.30-P-7351G

Disassemble/Assemble Rear Axle Shaft - AR35.30-P-7351G

Model 460 with rear axle 741 

with drum brakes on the rear axle 

Model 461 with rear axle 741 (except 741.171/52/53) 

with drum brakes on the rear axle 

Model 463 with rear axle 741 (except 741.52/53) 

with drum brakes on the rear axle 

G13668338Courtesy of MERCEDES-BENZ USA

Rotation direction of rear axle shaft (1) in direction of arrow 

Retainer of slotted nut (6) 

G13668339Courtesy of MERCEDES-BENZ USA
G13668340Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
1 Remove rear axle shaft (1).   AR35.30-P-0620G 
DISASSEMBLING Disassemble     
2 Clamp rear axle shaft (1) before disassembling. NOTES On vehicles with anti-lock braking system (ABS), do not damage the ring gear. Otherwise, the anti-lock braking system (ABS) will malfunction.  
    IMPORTANT Screw in two wheel bolts and clamp them in a vise.  
3 Release and remove slotted nut (6). IMPORTANT The slotted nut (6) with turned groove has a left-hand thread.  
    SPECIAL TOOL Pronged wrench Fig 2
4 Detach lock washer (7).    
5 Press off tapered roller bearing together with bearing cap (2), radial shaft sealing ring (4) and compressed ring (3) from rear axle shaft (1). IMPORTANT The compressed ring (3) forms a unit together with the polyurethane sealing ring (8), the O-ring (5) and the radial shaft sealing ring (4).  
    SPECIAL TOOL Assembly plate Fig 3
6 Detach O-ring (5) from compressed ring (3).    
ASSEMBLING Assemble     
7 Slide bearing cap (2) and compressed ring (3) onto rear axle shaft (1). IMPORTANT Pack cavity between dust lip and sealing lip with grease, apply light coating of grease to polyurethane sealing ring (8).  
    Long-life grease *BR00.45-Z-1001-06A 
8 Press tapered roller bearing onto rear axle shaft (1). NOTES The flange ring of the L-shaped bearing must point toward the compressed ring (3).
Otherwise, the factory-set bearing play will become impermissible.
 
    IMPORTANT To do so, heat up tapered roller bearing to approx. 80°C.  
9 Lightly grease O-ring (5) and fit onto compressed ring (3). IMPORTANT Replace O-ring (5).  
    Long-life grease *BR00.45-Z-1001-06A 
10 Apply grease to tapered roller bearing.  
    Long-life grease *BR00.45-Z-1001-06A 
11 Position lock washer (7). IMPORTANT Replace locking plate (7).  
12 Attach slotted nut (6). NOTES On vehicles with anti-lock braking system (ABS), do not damage the ring gear. Otherwise, the anti-lock braking system (ABS) will malfunction.  
    IMPORTANT The slotted nut (6) with turned groove has a left-hand thread.  
    TORQUE SPECIFICATION Slotted nut to rear axle shaft *BA35.30-P-1002-01C 
    SPECIAL TOOL Torque wrench Fig 1
    SPECIAL TOOL Pronged wrench Fig 2
13 Secure slotted nut (6) with lock washer (7) at both grooves. IMPORTANT Secure slotted nut (6) so that both directions of rotation are locked (see arrows on axle shaft and illustration above).  
14 Unclamp rear axle shaft (1) from vise and remove wheel bolts. NOTES On vehicles with anti-lock braking system (ABS), do not damage the ring gear. Otherwise, the anti-lock braking system (ABS) will malfunction.  
INSTALLING Install     
15 Install rear axle shaft (1).   AR35.30-P-0620G 
REAR AXLE SHAFT

Number Designation Model 460, 461, 463 with drum brake Model 461 with disk brake Model 463 up to model year 2019 with disk brake
BA35.30-P-1002-01C Slotted nut to rear axle shaft Nm 500 500
Fig 1: Identifying Torque Wrench (001 589 74 21 00)
G13668341Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Pronged Wrench (460 589 01 07 00)
G13668342Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Assembly Plate (460 589 01 35 00)
G13668343Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1001-06A Long-life grease A 000 989 63 51 11