Rear axle - oil change

AP35.00-S-3501E

Rear axle - oil change

04.04.2018

Model

447

Model

448

Modification notes

03.08.2015

Rear axle gear

BF35.31-N-1001-01A

Illustration shows MODEL 447.8

1

Drain screw

2

Filling screw

A13

Electric parking brake (EFB) control unit

Draining

1

Raise vehicle.

Only when a pit is not available.



AR00.60-S-1000E

2

Clean area surrounding drain screw (1) and filling screw (2).

3

Remove electric parking brake (EFB) control unit (A13) and swivel out of working area.

Model 447.8, 448.8

4

Remove filling screw (2).

5

Place suitable receptacle under the drain screw (1).

6

Remove drain screw (1) and completely drain off transmission oil.

7

Screw in drain screw (1).

 Drain screw

*BA35.31-N-1003-02B

Filling

8

Pour in transmission oil until it reaches the lower edge of the filler opening.

 Rear axle gear

*BF35.31-N-1001-01A

9

Screw in filling screw (2).

 Filling screw

*BA35.31-N-1002-02B

10

Mount electric parking brake (EFB) control unit (A13).

Model 447.8, 448.8

 M6

*BA00.10-N-1002-01A

11

Confirm transmission oil replacement in the maintenance booklet or in the Digital Service Booklet (DSB).

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

8.8

10.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

9

13

Phosphated

Nm

9

12

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

12.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

16

Phosphated

Nm

14

 Rear axle differential housing

Number

Designation

Model 447, 448

BA35.31-N-1002-02B

Filling screw

Nm

90

 Rear axle differential housing

Number

Designation

Model 447, 448

BA35.31-N-1003-02B

Drain screw

Nm

90

 Rear axle gear

Number

Designation

Model 447, 448

BF35.31-N-1001-01A

Rear axle gear

Filling capacity

Liter

1,3

Sheet

-

Sheet

-

Sheet

-

Sheet

BB00.40-P-0235-31A