LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2001 >> SLK230 Standard >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle -- Testing & Repair -- 170 Chassis - 2 Of 2 >> Testing & Repair >> Replace radial sealing ring on connecting flange of rear axle shaft - AR35.31-P-0540 >> Replace radial seal ring on connecting flange of rear axle shaft - AR35.31-P-0540D

Replace radial seal ring on connecting flange of rear axle shaft - AR35.31-P-0540D

Rear axle center assembly dia. 168 in MODEL 170.435, 202.018 /078 /120 /121 /125 /182 

Rear axle center assembly dia. 185 in MODEL 170.444 /445 /447 /449, 202.018 /020 /022 /023 /024 /025 /026 /028 /029 /078 /080 /081 /082 /083 /086 /087 /088 /089 /120 /121 /122 /125 /128 /182 /188, 208.335 /344 /345 /347 /348 /435 /444 /445 /447 /448 

Rear axle center assembly dia. 185 in MODEL 202.134 /194 except CODE (450) Taxi version 

Rear axle center assembly dia. 185 in MODEL 202.085 with TRANSMISSION 722 

Fig 1: Identifying Radial Seal Ring On Connecting Flange Of Rear Axle Shaft Components
G04743546
REMOVINGINSTALLING Remove/Install     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the hydraulic hoist and position the four support plates below the hoist support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
1 Raise vehicle.    
2 Drain oil from rear axle center assembly   AR35.31-P-0520-06A 
    Cleaning spray, Loctite 7063 (150ml) *BR00.45-Z-1046-04A 
    Sealant, Omnifit 100H (50 g) *BR00.45-Z-1061-01A 
    TORQUE SPECIFICATION Oil drain plug *BA35.31-P-1003-02A 
REFER TO COMPONENT MODIFICATIONS Oil filler and drain screw on rear axle center assembly modified as of 19.01.04 BT35.31-P-0015-01A
3 Remove rear axle center assembly (50)   AR35.31-P-0520D 
4 Clamp rear axle center assembly (50) in assembly stand   AR35.31-P-0540-06B 
    SPECIAL TOOL Assembly stand Figure
    SPECIAL TOOL Assembly stand Figure
5.1 Remove end cover (54) with machined sealing surface IMPORTANTInstallation:  If a replacement part end cover is fitted it is absolutely essential to observe whether the sealing surface is machined or not. Use suitable sealant. Fit end cover: ↓  
    168 mm dia. rear axle center assembly in models 170, 202 up to 07.05.00 AR35.31-P-0550-28B
    Sealant *BR00.45-Z-1010-01A 
    TORQUE SPECIFICATION Bolt + washer or flange bolt *BA35.31-P-1001-02A 
    185 mm dia. rear axle center assembly in model 170, 202, 208 up to 07.05.00 AR35.31-P-0550-28C 
    Sealant *BR00.45-Z-1010-01A 
    TORQUE SPECIFICATION Bolt + washer or flange bolt *BA35.31-P-1001-02A 
REFER TO COMPONENT MODIFICATIONS Rear axle center assembly end cover with nonmachined sealing surface   BT35.31-P-0014-01A
5.2 Detach end cover (54) with non-machined sealing surface IMPORTANTInstallation:  Fit end cover:
↓
 
    168 mm dia. rear axle center assembly in models 170, 202 as of 08.05.00 AR35.31-P-0550-28BA
    SPECIAL TOOL Sealant gun Figure
    Sealant *BR00.45-Z-1013-01A 
    TORQUE SPECIFICATION Bolt + washer or flange bolt *BA35.31-P-1001-02A 
    185 mm dia. rear axle center assembly in models 170, 202, 208 as of 08.05.00 AR35.31-P-0550-28CA 
    SPECIAL TOOL Sealant gun Figure
    Sealant *BR00.45-Z-1013-01A 
    TORQUE SPECIFICATION Bolt + washer or flange bolt *BA35.31-P-1001-02A 
6 Detach circlip (30) NOTESInstallation:  Replace circlip. AR35.31-P-0540-01A 
    SPECIAL TOOL Removal and installation tool Figure
7 Remove connecting flange (33, 33a, 33b) IMPORTANT Check contact surface for radial sealing ring on connecting flange; if it is severely galled: ↓
Replace connecting flange.
IMPORTANTInstallation:  Check and adjust axial play of connecting flange: ↓
No axial play adjustment is required on vehicles with rear axle with automatic locking differential (ASD) code 211a.
 
    Model 170.435, 202.180
Model 202.018/078/120/121/122/125/182, except Taxi version
AR35.31-P-0540-02D 
    Axial play between connecting flange and differential housing *BE35.31-P-1001-05A 
    Model 170.444/445/447/449,
Model 202.020/022/023/024/025/026/028/029/080/081/082/083/086/087/088/089/128/188, Standard,
Model 202.085 with 5-speed automatic transmission,
Model 202.018/078/120/121/122/ 125/182 standard with taxi version code 450,
Model 202.134/194 except taxi version, model 208.335/344/345/347/348/435/444/ 445/447/448
AR35.31-P-0540-02E 
    Axial play between connecting flange and differential housing *BE35.31-P-1001-05A 
REFER TO COMPONENT MODIFICATIONS Radial seal on side of rear axle housing and connecting flange modified As of 01.04.98: on model 170.445/447, Model 202.020/022/023/024/025/026/028/029/080/082/083/085/086/089/128/188,
Standard, model 202.018/078/120/121/122/125/182 standard with taxi version code 450,
Model 202.134/194 except taxi version, model 208.335/345/347/435/445/447
BT35.31-P-0013-01A
8 Detach grooved ball bearing (33c) Model 202 with rear axle with automatic locking differential (ASD) code 211a AR35.31-P-0540-04A
    SPECIAL TOOL Tensioning clamp Fig 6
    SPECIAL TOOL Puller Figure
9 Press off radial seal ring (32, 32a, 70j) IMPORTANTInstallation:  Replace radial sealing ring and coat the lip with universal hypoid transmission oil.  
REFER TO CAPACITIES & SPECIFICATIONS Universal hypoid gear oil (SAE 85 W-90)   BB00.40-P-0235-07A
    Model 170.435, 202.180
Model 202.018/120/121/125 except taxi version, except ASD automatic locking differential
Model 202.078/122/182 except taxi version
AR35.31-P-0540-05E
    SPECIAL TOOL Drift Figure
    Model 202.018/020/022/023/024/025/026/028/029/078/08/120/121/122/125/128/182/188 with rear axle with automatic locking differential (ASD) code 211a AR35.31-P-0540-05G
    SPECIAL TOOL Extractor tool Fig 9
    SPECIAL TOOL Drift Fig 10
    Model 202.028 up to 05/94 with acceleration slip regulation (ASR) code 471a AR35.31-P-0540-05H
    SPECIAL TOOL Drift Fig 11
    Model 170.444/445/447/449, Model 202.020/022/023/024/025/026/028/029/080/081/082/083/085/086/087/088/089/128/188, Standard, Model 202.085 with 5-speed automatic transmission, Model 202.018/078/120/121/122/ 125/182 standard with taxi version code 450, model 202.028 as of 06/94 with acceleration slip regulation (ASR) code 471a, Model 202.134/194 except taxi version, Model 208.335/344/345/347/348/435/444/ 445/447/448 AR35.31-P-0540-05F 
    SPECIAL TOOL Drift Figure
REFER TO COMPONENT MODIFICATIONS Radial seal on side of rear axle housing and connecting flange modified As of 01.04.98: on model 170.445/447, Model 202.020/022/023/024/025/026/028/029/080/082/083/085/086/089/128/188, Standard, model 202.018/078/120/121/122/125/182 standard with taxi version code 450, Model 202.134/194 except taxi version, model 208.335/345/347/435/445/447 BT35.31-P-0013-01A
10 Replace breather of rear axle center assembly (55) TORQUE SPECIFICATION *BA35.31-P-1005-02A 
11 Install in the reverse order    
12 Check oil level in rear axle center assembly 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-0520-03A 
    FLUID SPECIFICATION Model 170 rear axle center assembly filling capacity *BF35.31-P-1001-01F 
    FLUID SPECIFICATION Model 202 rear axle center assembly filling capacity *BF35.31-P-1001-01D 
    FLUID SPECIFICATION Model 208 rear axle center assembly filling capacity *BF35.31-P-1001-01H 
    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 center assembly *BA35.31-P-1002-02A 
REFER TO COMPONENT MODIFICATIONS Oil filler and drain screw on rear axle center assembly modified as of 19.01.04 BT35.31-P-0015-01A
Test values for connecting flange/differential housing

Number Designation Model 170 Model 202 Model 208
BE35.31-P-1001-05A Axial play between connecting flange and differential housing mm 0,03-0,3 0,03-0,3 0,03-0,3
TORQUE SPECIFICATION Rear axle center assembly housing

Number Designation Model 170 Model 202
BA35.31-P-1001-02A Bolt, end cover to rear axle center assembly Bolt+washer   Nm - 50
Flange bolt (TORX, internal serrations) Stage 1 Nm 30 30
2nd stage ∠ ° 45 45
BA35.31-P-1002-02A Oil filler plug, rear axle center assembly Nm 50 50
BA35.31-P-1003-02A Oil drain screw for rear axle center assembly Nm 50 50
BA35.31-P-1005-02A Breather, rear axle center assembly Nm 25 25
TORQUE SPECIFICATION Rear axle center assembly housing

Number Designation Model 208
BA35.31-P-1001-02A Bolt, end cover to rear axle center assembly Bolt+washer   Nm -
Flange bolt (TORX, internal serrations) Stage 1 Nm 30
2nd stage ∠ ° 45
BA35.31-P-1002-02A Oil filler plug, rear axle center assembly Nm 50
BA35.31-P-1003-02A Oil drain screw for rear axle center assembly Nm 50
BA35.31-P-1005-02A Breather, rear axle center assembly Nm 25
FLUID SPECIFICATION Rear final-drive unit

Number Designation Model 202.018/020/ 022/120/121/125, with (Code 211) ASD Model 202.018/078/ 120/121/122/ 125/182 except (Code 450) Taxi version, Model 202.018/120/ 121/125, without (Code 211) ASD, Model Series 202.180
BF35.31-P-1001-01D Filling capacity Rear axle center assembly Liters 1.1 0.7
Specifications for Operating Fluids Sheet - BB00.40-P-0235-07A
Sheet BB00.40-P-0235-00A BB00.40-P-0235-07A
FLUID SPECIFICATION Rear final-drive unit

Number Designation Model 202.018/078/ 120/121/122/ 125/182, without (Code 211) ASD, with (Code 450) taxi equipment Model 202.020/022/ 023/024/025/ 026/028/029/ 080/081/082/ 083/086/087/ 088/089/128/ 188 without (code 211) ASD, model 202.085 with automatic 5-speed transmission, model 202.134/194 except(code 450) taxi version
BF35.31-P-1001-01D Filling capacity Rear axle center assembly Liters 1.1 1.1
Specifications for Operating Fluids Sheet BB00.40-P-0235-00A BB00.40-P-0235-00A
Sheet BB00.40-P-0235-07A BB00.40-P-0235-07A
FLUID SPECIFICATION Rear final-drive unit

Number Designation Model 170.435 Models 170.444/ 444/445/ 449
BF35.31-P-1001-01F Filling capacity Rear axle center assembly Liters 0.7 1.1
Specifications for Operating Fluids Sheet BB00.40-P-0235-07A BB00.40-P-0235-07A
FLUID SPECIFICATION Rear final-drive unit

Number Designation Model 208.335/344/345/ 347/348/435/44 4/445/447/448
BF35.31-P-1001-01H Filling capacity Rear axle center assembly Liters 1.1
Specifications for Operating Fluids Sheet BB00.40-P-0235-07A
Fig 2: Identifying Assembly Stand (201 589 03 31 00)
G04743547
Fig 3: Identifying Assembly Stand (129 589 00 31 00)
G04743548
Fig 4: Identifying Sealant Gun (112 589 00 25 00)
G04743549
Fig 5: Identifying Removal And Installation Tool (116 589 01 62 00)
G04743550
Fig 6: Identifying Collet Chuck (140 589 00 34 00)
G04743551
Fig 7: Identifying Puller (001 589 50 33 00)
G04743552
Fig 8: Identifying Drift (201 589 03 15 00)
G04743553
Fig 9: Identifying Extraction Tool (129 589 02 33 00)
G04743554
Fig 10: Identifying Drift (124 589 01 15 00)
G04743555
Fig 11: Identifying Drift (126 589 04 15 00)
G04743556
Fig 12: Identifying Drift (126 589 00 15 00)
G04743557
Repair materials

Number Designation Order number
BR00.45-Z-1061-01A Sealant, Omnifit 100H (50 g) -
BR00.45-Z-1013-01A Sealant A 003 989 98 20
BR00.45-Z-1010-01A Sealant A 001 989 25 20
BR00.45-Z-1046-04A Cleaning spray, Loctite 7063 (150ml) A 001 986 71 71 10