Mercedes-Benz ML320. Service manual - part 482

Fig. 64: Identifying Torque Meter (001 589 49 21 00) 

Commercially available tools 

1. Measure and note friction torque using torque meter (040b) and connecting piece on the hexagon collared 

nut. 

Fig. 65: Identifying Torque Meter 

CHECK FRONT AXLE GEAR OIL LEVEL AND TOP UP IF NECESSARY - AR33.30-P-0525-02GH 

Modification notes 

 Front final-drive unit 

 Front axle gear 

Number

Designation

WH58.30-Z-1013-06A

Wrench bit 41 mm hexagon 3/4 inch four-point

8.1.07 Filling capacity, Specifications for Operating Fluids

Model 163 *BF33.30-P-1001-03B

Number

Designation

Model 163

BA33.30-P-1002-03B

Oil filler screw, front axle gear

Nm 50

BA33.30-P-1003-03B

Oil drain screw, front axle gear

Nm 50

Number

Designation

Model 163

BF33.30-P-1001-
03B

Filling capacity

Front axle gear

Liters 1.2

Specifications for 

Sheet BB00.40-P-0235-

 

2001 Mercedes-Benz ML320 

1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis

  

me 

 

1. Clean area around oil filler screw (14f).  

2. Remove oil filler screw (14f). 

 The front axle gear is correctly filled when the oil reaches the lower edge of the filler opening. Top up 

if necessary. If the oil level check is carried out when the front axle gear is warm , do not drain off oil 
discharged as a result of thermal expansion. 

Fig. 66: Identifying Oil Filler Screw 

3. Replace seal ring for oil filler screw.  

4. Screw in oil filler screw and tighten.  

Fig. 67: Identifying Oil Drain Screw 

REMOVE/INSTALL FRONT AXLE GEAR - AR33.30-P-0525GH 

MODEL 163.113 /128 /136 /154 /157 /172 /174 /175

Operating Fluids

07B

 

2001 Mercedes-Benz ML320 

1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis

  

me 

 

Fig. 68: Identifying Front Axle Gear Components 

Modification notes 

8.1.07 Filling capacity, Specifications for Operating Fluids

Model 163 *BF33.30-P-1001-03B

 

 

Remove/install

 

 

1 

 

Remove front wheels

 

 

Remove/install wheels, rotate if 
necessary

AP40.10-P-
4050GH 

2

Drain front axle gear oil

 Installation: ?

 

Check front axle gear oil level and 
top up if necessary 

 Oil drain screw: ?

AR33.30-P-
0525-02GH

  

 Oil filler plug: ?

*BA33.30-P-
1003-03B

 

*BA33.30-P-
1002-03B

 

*BF33.30-P-
1001-03B

3

Unbolt propeller shaft at flange on front 
axle transmission

 

*BA41.20-P-
1001-01A

4

Press both follower joints out of upper 
transverse control arms using puller

Check rubber boot and ball joint for 
wear and damage.

AR33.20-P-
0500-01GH

 

*BA33.20-P-
1001-01D

 

2001 Mercedes-Benz ML320 

1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis

  

me 

 

 Wheel location, hub 

 Front final-drive unit 

 Propeller shaft of front axle gear 

 Front axle gear 

 Thrust piece

Fig. 45

 Support

Fig. 46

 Press

Fig. 47

5

Remove lower engine compartment 
paneling

Model 163.157 /172 /174 /175

AR61.20-P-
1105GH 

Model 163.113 /128

AR94.30-P-
5400GH

6

Press left and right front axle shafts out 
of front axle gear

 Do not damage shield. 
 Suspend steering knuckle with 

wire.

 

7

Disconnect vent hose from front axle 
gear

 

 

8

Remove bolts (14a)

 

*BA33.30-P-
1001-03B

9

Remove front axle gear (14).

 

 

10

Install in the reverse order

 

 

Number

Designation

Model 163

BA33.20-P-1001-01D Self-locking nut, upper wishbone follower joint to steering knuckle Nm 50

Number

Designation

Model 163

BA33.30-P-1001-03B

Bolt securing front axle gear to front axle carrier

Nm 135

BA33.30-P-1002-03B

Oil filler screw, front axle gear

Nm 50

BA33.30-P-1003-03B

Oil drain screw, front axle gear

Nm 50

Number

Designation

Model 163

BA41.20-P-1001-01A

Self-locking bolt of propeller shaft to front-axle gear flange

Nm 40

 

 

Number 

Designation 

Model 163 

BF33.30-P-1001-
03B

Filling capacity

Front axle gear

Liters

1.2

 

Specifications for Operating 
Fluids

Sheet

BB00.40-P-0235-
07B

 

2001 Mercedes-Benz ML320 

1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis

  

me