Remove/install main components of transmission

AR27.50-S-0610EA

Remove/install main components of transmission

20.07.2020

Transmission

725.0 in model 447, 448

1

Transmission housing

4

Planetary gear set 4

2

Torque converter housing

5

Planetary gear set 3

3

K27 multiplate clutch

6

Ring gear

2

Torque converter housing

11

B08 multidisk brake

7

Planetary gear system 2

12

Multiplate clutch K81

8

K38 multiplate clutch

13

Piston B08

9

Drive shaft

14

Externally-toothed disk carrier B08

10

Planetary gear set 1

 Caution

Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil

Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.

AS00.40-Z-0001-01A

 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

 

Remove/install

1

Remove transmission housing (1) from torque converter housing (2).

Transmission 725.0 in model 447
with code ZG2 (Permanent all-wheel drive)

AR27.40-S-0003EB

Transmission 725.0 in model 447
except code ZG2 (Permanent all-wheel drive)
Transmission 725.0 in model 448

AR27.40-S-0003EA

2

Remove multiplate clutch K27 (3).

AR27.50-S-0619EA

3

Remove planetary gear set 4 (4) and planetary gear set 3 (5) with ring gear (6).

AR27.50-S-0623EA

4

Remove planetary gear set 2 (7) and multiplate clutch K38 (8) with ring gear.

AR27.50-S-0624EA

5

Remove drive shaft (9), planetary gear set 1 (10) with multidisk brake B08 (11) and multiplate clutch K81 (12).

AR27.50-S-0625EA

6

Remove piston B08 (13).

AR27.50-S-0618EA

7

Remove outer plate carrier B08 (14) from torque converter housing (2).

AR27.50-S-0617EA

8

Install in the reverse order.