LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2004 >> CL500 >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle-- Testing & Repair -- 215 & 220 Chassis - 2 Of 2 >> Testing & Repair >> Replace radial sealing ring at drive pinion gear (with rear axle differential installed) - AR35.31-P-0530I >> Notes

Replace radial sealing ring at drive pinion gear (with rear axle differential installed) - AR35.31-P-0530I: Notes

Rear axle differential dia. 198 in model 220.063 /065 /067 /083 /084 /087 /165 /167 /183 /184 /187 

Rear axle differential dia. 210 in MODEL 215.375 /378, 220.025 /026 /028 /070 /075 /126 /128 /170 /175 /178 

rear axle center assembly 210E 

Shown on rear axle center assembly dia. 198 mm 

Fig 1: Identifying Rear Axle Differential - Shown On Rear Axle Center Assembly Dia. 198 mm
G04845514
MODIFICATION NOTES

20.3.04 Oil filler/drain screw on rear axle differential modified Phased in as of 19.01.04
IMPORTANT The oil filler screws and oil drain screws should always be replaced after being unscrewed.
The new oil filler screws and drain screws as well as the tapped holes must be cleaned with a special cleaning spray and provided with a special sealing compound.
BT35.31-P-0015-01A
  The oil drain screw must always be replaced after being unscrewed from the rear axle center assembly. The new oil drain screw as well as the tapped hole must be cleaned with a special cleaning spray and the oil drain screw must be provided with a special sealing compound   AR35.31-P-0520-06I 
  The oil filler screw should always be replaced after being unscrewed from the rear axle differential.
The new oil filler screw as well as the tapped hole must be cleaned with a special cleaning spray and the oil filler screw provided with a special sealing compound
IMPORTANT Only carry out oil level check at interior temperature. AR35.31-P-0520-03I 
12.7.04 Value changed from 1.2 Nm to 1.1 Nm Value in row 1001 rear axle center assembly changed for model 220.063/065/067/083/084/087/ 165/167/183/184/187 *BF35.31-P-1001-01J 
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. AS00.00-Z-0010-01A
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
1 Raise vehicle    
2 Drain oil from rear axle differential   AR35.31-P-0520-06I 
    Cleaning spray, Loctite 7063 (150ml) *BR00.45-Z-1046-04A 
    Sealant, Omnifit 100H (50 g) *BR00.45-Z-1061-01A 
    TORQUE SPECIFICATION Oil drain screw *BA35.31-P-1003-02A 
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
3 Remove exhaust system as of flange connection Refer to: Exhaust system, removal and installation of complete system:
↓
 
    Engine 112, 113 AR49.10-P-7000AA
    Engine 137 AR49.10-P-7000L
    Engine 613 AR49.10-P-7000M
    Engine 628 AR49.10-P-7000MB
4 Detach rear axle shafts (37) from the connecting flanges IMPORTANT Move the rear axle shaft into approximately the horizontal position and push together.
Remove rear axle shaft from connecting flanges at a downward angle and tie up on rear axle carrier.
IMPORTANTInstallation:  Replace self-locking bolts and shims.
Lightly oil bolts at thread and bolt head contact surface.
 
    TORQUE SPECIFICATION *BA35.30-P-1002-01A 
5 Remove bolts for propeller shaft intermediate bearing (106a). TORQUE SPECIFICATION *BA41.40-P-1001-01A 
6 Detach rear propeller shaft assembly (106) from rear axle center assembly (50). IMPORTANT Flexible disk remains on propeller shaft.  
    IMPORTANTInstallation:  Connect rear propeller shaft to rear axle differential AR41.10-P-0050-04I
    TORQUE SPECIFICATION *BA41.10-P-1002-01A 
7 Loosen fitting sleeves on flexible couplings. IMPORTANT Tie up propeller shaft to one side. AR41.10-P-0050-09I
REFER TO SHOP-MADE TOOLS Drift for loosening fitting sleeves in flex disks.   WF58.50-P-4110-01A
MEASURING Measure     
8 Measure and note down total friction torque of drive pinion   AR35.31-P-0530-04I 
    SPECIAL TOOL Connection piece Figure
    SPECIAL TOOL Torque meter
Wrench socket
Figure
9 Slacken and unscrew hexagon collar nut (40) IMPORTANT Do not remove the collar protection when slackening hexagon collar nut.  
    SPECIAL TOOL Pin wrench
Wrench socket
IMPORTANT To improve guidance when loosening the hexagon collar nut, press a shop-made bush into the commercially available socket wrench bit:↓
Fig 4
REFER TO SHOP-MADE TOOLS   Pressing bush for wrench socket
NOTESInstallation:  Replace hexagon collar nut and tighten in stages until the previously measured friction torque is obtained.
WF58.50-P-3531-02A
    TORQUE SPECIFICATION Observe minimum tightening torque, if necessary if tightening torque is not achieved:
↓
Rear axle center assembly dia. 198 mm:
Replace flexible spacer sleeve, see: ↓
*BA35.31-P-1001-01A 
    Disassembling and assembling rear axle differential, adjusting gear set
Rear axle center assembly dia. 210 mm in rear axle center assembly 210E:
If the minimum tightening torque is not reached, install new rear axle center assembly.
AR35.31-P-0550A 
    IMPORTANTInstallation:  Secure twelve point collar nut or hexagon collar nut at joint flange of drive pinion. AR35.31-P-0530-01B 
REFER TO SHOP-MADE TOOLS   Chisel for securing collar nut on joint flange WF58.50-P-3531-01A
10 Detach joint flange (41). IMPORTANT If necessary SPECIAL TOOL , use puller:
↓
 
    SPECIAL TOOL Puller Fig 5
REFER TO COMPONENT MODIFICATIONS Radial sealing ring and joint flange on drive pinion modified As of 15.01.02 with model 220 with rear axle center assembly dia. 198 mm and with model 215, 220 with rear axle center assembly dia. 210 mm in rear axle center assembly 210E BT35.31-P-0012-01C
11 Press out radial sealing ring (42) using a suitable tool IMPORTANTInstallation:  Replace radial sealing ring and coat the lip with universal hypoid transmission oil.  
REFER TO CAPACITIES & SPECIFICATIONS Universal hypoid gear oils   BB00.40-P-0235-07A
    SPECIAL TOOL Drift for pressing in the previous radial sealing ring version Fig 6
REFER TO COMPONENT MODIFICATIONS Radial sealing ring and joint flange on drive pinion modified As of 15.01.02 with model 220 with rear axle center assembly dia. 198 mm and with model 215, 220 with rear axle center assembly dia. 210 mm in rear axle center assembly 210E BT35.31-P-0012-01C
    SPECIAL TOOL Drift for pressing in the new radial sealing ring version Fig 7
12 Remove rear axle center assembly breather (55) TORQUE SPECIFICATION *BA35.31-P-1005-02A 
13 Install in the reverse order    
14 Check oil level in rear axle differential 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 
    FLUID SPECIFICATION Filling capacity of rear axle differential *BF35.31-P-1001-01J 
    Cleaning spray, Loctite 7063 (150ml) *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
TORQUE SPECIFICATION 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
TORQUE SPECIFICATION REAR AXLE DIFFERENTIAL GEAR SET

Number Designation Model 215.375/378 Model 220.025/026/ 028/070/075/ 126/128/170/ 175/178 Model 220.063/065/ 067/083/084/ 087/165/167/ 183/184/187
BA35.31-P-1001-01A Collar nut, joint flange to drive pinion Nm > 180 > 180 > 180
TORQUE SPECIFICATION REAR AXLE CENTER ASSEMBLY HOUSING

Number Designation Model 215 Model 220
BA35.31-P-1002-02A Oil filler screw, rear axle differential Nm 50 50
BA35.31-P-1003-02A Oil drain screw for rear axle differential Nm 50 50
BA35.31-P-1005-02A Breather, rear axle differential Nm 30 30
TORQUE SPECIFICATION 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
TORQUE SPECIFICATION PROPELLER SHAFT INTERMEDIATE BEARING

Number Designation Model 215 Model 220
BA41.40-P-1001-01A Bolt, propeller shaft intermediate bearing to frame floor assembly Bolt with washer Nm - -
Bolt with collar and selfcentering tip Nm 30 30
Bolt with collar and without self-centering tip Nm - -
FLUID SPECIFICATION REAR AXLE 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 Rear axle center assembly 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
Fig 2: Identifying Connecting Piece (100 589 02 59 00)
G04845515
Fig 3: Identifying Torque Meter (001 589 49 21 00)
G04845516
Fig 4: Identifying Pin Wrench (129 589 01 07 00)
G04845517
Fig 5: Identifying Puller (129 589 01 33 00)
G04845518
Fig 6: Identifying Drift (140 589 08 15 00)
G04845519
Fig 7: Identifying Drift (140 589 13 15 00)
G04845520
AUXILIARY 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 Cleaning spray, Loctite 7063 (150ml) A 001 986 71 71 10