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Home >> Mercedes Benz >> 2012 >> G550 >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle -- Testing & Repair -- G-Class (463) >> Testing & Repair >> Remove/install rear axle shaft - AR35.30-P-0620F

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

MODEL 461, 463 (except 463.270 /271) with disk brakes on rear axle 

Shown on model 461 with code (B02) ABS brake system 

Fig 1: Identifying Rear Axle Shaft Components
G07888335Courtesy of MERCEDES-BENZ USA
REMOVING Removing     
1 Remove brake shoes of parking brake   AR42.20-P-0530B
2 Remove left rear RPM sensor (L6/3) or right rear RPM sensor (L6/4)    
Model 461.302 /304 /332 /334 /342 /344, 463.240 with rear axle 741 (except 741.52)
with code (B02) ABS brake system with disk brake
AR42.30-P-0714GH
Model 461.326 /335 /336 /365 /366, 463.209 /232 /233 /308 /330 /331 with rear axle 742 with code (B02) ABS brake system with disk brake
Model 463.241 with rear axle 741 (except 741.52)
with code (B02) ABS brake system
except code (979) Special protection version with disk brake
Model 463.202 /222 /237 /243 /244 /245 /246 /247 /249 /250 /254 /303 /309 /322 /323 /332 /333 /340 /341
with disk brake
AR42.30-P-0714AA
Model 463.306/ 336/ 346 AR42.30-P-0714GY
Model 461.305 /333 /340 /343 AR42.30-P-0714GP
3 Unscrew the bolts (2) of the bearing cap (3) on axle tube (5)    
4 Remove shift cylinder of differential locks Except model 461.331
IMPORTANT Only when removing the left rear axle shaft (4).
AR35.40-P-9131F 
5 Unhook hand brake cable    
6 Pull out rear axle shaft (4). NOTES On model 461 with code (B02) ABS brake system and model 463 do not damage the antilock brake system (ABS) measuring ring otherwise the (ABS) will be rendered inoperative.  
INSPECT Checking     
7 Check rear axle shaft (4) for signs of damage. IMPORTANT If defective parts on the rear axle shaft (4) have to be replaced, see: ↓  
Disassemble and assemble rear axle shaft AR35.30-P-7351F 
INSTALLING Install     
8 Slide sealing ring onto the tapered roller bearing outer race IMPORTANT Replace the seal between the axle tube (5) and brake carrier plate.  
9 Install rear axle shaft (4). NOTES Before pushing in, make sure that the O-ring is mounted on the support ring and that the direction of rotation marked on the rear axle shaft (4) corresponds to the actual direction of rotation for forward travel. The axle will be damaged if the labeling and actual direction of rotation do not match.
NOTES On model 461 with code (B02) ABS brake system and model 463 do not damage the antilock brake system (ABS) measuring ring otherwise the antilock brake system (ABS) will be rendered inoperative.
 
10 Attach hand brake cable.    
11 Screw bolts (2) of bearing cap (3) onto axle tube (5) NOTES Tighten bolts (2) evenly in a diagonal pattern until the bearing cap (3) and brake carrier plate abut the axle tube (5). Afterwards tight half a revolution in a diagonal pattern respectively until the specified tightening torque is reached. The bearing cap (3) could otherwise work loose.  
TORQUE SPECIFICATION *BA35.30-P-1001-01C 
12 Install shift cylinder of differential locks Except model 461.331
IMPORTANT Only when the left rear axle shaft (4) has been removed.
AR35.40-P-9131F 
13.1 Install left rear RPM sensor (L6/3) or right rear RPM sensor (L6/4) For left rear RPM sensor (L6/3) or right rear RPM sensor (L6/4) with limit stop. Ensure that magnetic end is clean.  
Model 463.306/ 336/ 346 AR42.30-P-0714GY
13.2 Measure distance between measuring ring and left rear RPM sensor (L6/3) or right rear RPM sensor (L6/4) and adjust in bearing cap (3) by shifting left rear RPM sensor (L6/3) or right rear RPM sensor (L6/4) For left rear RPM sensor (L6/3) or right rear RPM sensor (L6/4) without limit stop. Ensure that magnetic end is clean. *BE42.30-P-1001-01A 
Model 461.305 /333 /340 /343 AR42.30-P-0714GP
Model 461.302 /304 /332 /334 /342 /344, 463.240 with rear axle 741 (except 741.52)
with code (B02) ABS brake system with disk brake
AR42.30-P-0714GH
Model 461.326 /335 /336 /365 /366, 463.209/232 /233 /308 /330 /331 with rear axle 742
with code (B02) ABS brake system with disk brake
Model 463.241 with rear axle 741 (except 741.52)
with code (B02) ABS brake system
except code (979) Special protection version with disk brake
Model 463.202 /222 /237 /243 /244 /245 /246 /247 /249 /250 /254 /303 /309 /322 /323 /332 /333 /340 /341
with disk brake
AR42.30-P-0714AA
14 Install brake shoes of parking brake   AR42.20-P-0530B
TEST VALUE FOR REAR AXLE RPM SENSOR

Number Designation Model 461.302/304/331/332/334/342/344/345/346 Model 463.202/222/236/237/243/244/245/246/247/248/249/250/254/270/271/303/306/309/322/323/332/333/336/340/341/346
BE42.30-P-1001-01A Set value between RPM sensor and measuring ring mm 0.7 (±0.05) 0.7 (±0.05)
REAR AXLE SHAFT

Number Designation Model 461, 463 with disk brake
BA35.30-P-1001-01C Bolt securing bearing cap to axle tube Nm 85