Disassemble/assemble multidisk clutch K38

AR27.50-S-0624-01EA

Disassemble/assemble multidisk clutch K38

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

General information on repair work on transmission

AH27.00-S-1000-01PS

Transmission

725.0 in model 447, 448

1

Remove inner plate carrier (1) from planetary gear set 2 (2).

2

Unclip axial bearing (3).

3

Check axial bearing (3) for damage.

If damage is visible,



replace axial bearing (3).

4

Remove snap ring (4) from inner plate carrier (1).

5

Remove multiplate clutch K38 (6) from inner plate carrier (1).

6

Remove piston (5) from inner plate carrier (1).

7

 Attach pressure tester (7) to piston (5).

8

Push down spring retainer (8) using  pressure tester (7) until the snap ring (9) is exposed.

9

Remove snap ring (9) using  pliers.

10

Take out spring retainer (8).

11

Remove disk spring (10).

12

Remove oil retaining element (11).

13

Remove sealing ring (12) from oil retaining element (11) using  assembly tool.

 Assembly: Replace sealing ring (12).

14

Detach piston (5) from guide ring (13).

15

Remove sealing rings (14, 15) from guide ring (13) using  assembly tool.

 Assembly: Replace sealing rings (14, 15).

16

Assemble in the reverse order.