Remove/install shift shaft radial shaft sealing ring

AR27.40-P-0220A

Remove/install shift shaft radial shaft sealing ring

06.03.2020

Transmission

722.55/9

Transmission with intelligent servo module (ISM)

Shown on TRANSMISSION 722.9

01

Drift

16

Detent plate spring element

40

Shift shaft

1

Transmission housing

16a

Screw

82

Detent plate

2

Bracket

20

Radial shaft sealing ring

82a

Detent plate clamp bolt

3

Heat shield



Remove

1

Remove intelligent servo module (ISM).

Transmission 722.9 in model 463Transmission with intelligent servo module (ISM)

AR27.19-P-0550GW

Transmission 722.9 in model 251

AR27.19-P-0550RT

Transmission 722.9 in model 221.0/1

AR27.19-P-0550SX

Transmission 722 in model 164

AR27.19-P-0550GZA

Transmission 722.9 in model 205 with engine 276

AR27.19-P-0550LWA

Transmission 722.9 in model 222
except code Z07 (B7 armoring on special protection version)

AR27.19-P-0550LF

Transmission 722.9 in model 222
with code Z07 (B7 armoring on special protection version)

AR27.19-P-0550LFS

Transmission 722.9 in model 205 with engine 651

AR27.19-P-0550LWB

2

Remove heat shield (3) of left catalytic converter and bracket (2) of lower engine compartment lining.

Transmission 722.55/9 in model 164, 221, 251Transmission with intelligent servo module (ISM)



Clean

3

Clean transmission housing (1) in area of gearshift shaft (40) and radial shaft sealing ring (20).

Assembly cleaner

*BR00.45-Z-1028-04A

4

Remove oil pan.

Transmission 722.9 in model 164, 171, 172, 203, 204, 205, 207, 209, 211, 212, 215, 216, 218, 219, 220, 221, 230, 231, 251
Transmission with intelligent servo module (ISM)Transmission 722.9 in model 463Transmission with intelligent servo module (ISM)

AR27.10-P-7030W

Transmission 722.9 in model 166, 292Transmission with intelligent servo module (ISM)

AR27.10-P-7031GQ

Transmission 722.9 in model 217, 222Transmission with intelligent servo module (ISM)

AR27.10-P-7031LFA

Transmission 722.55Transmission with intelligent servo module (ISM)

AR27.10-P-7030GZH

5

Remove screw (16a) and detach detent plate spring element (16).

6

Remove detent plate clamp screw (82a) and pull out shift shaft (40).

7

Pry out the radial shaft sealing ring (20) using a suitable tool.


Make sure that the contact surface in the transmission housing (1) is not damaged.
Leaks can occur otherwise.



Check

8

Check shift shaft (40) for galling and damage; install a new shift shaft if necessary.



Install

9

Use drift (01) to drive in radial shaft sealing ring (20) up to end stop in transmission housing (1).


Check radial shaft sealing ring (20) is correctly seated in transmission housing (1).
Leaks can occur otherwise.

 Drift

*722589021500

10

Insert shift shaft (40) and screw in clamp screw for detent plate (82a).

 Make sure that the shift shaft (40) is positioned correctly in the detent plate (82).

 Transmission 722.9 in model 463Bolt, detent plate to range selector lever

*BA27.40-P-1007-01E

 Transmission 722.55
Transmission 722.9Bolt, detent plate to range selector lever

*BA27.40-P-1006-01A

 Transmission 722.9
Transmission with intelligent servo module (ISM)Shift shaft clamp bolt to detent plate

*BA27.19-P-1004-01A

11

Mount detent plate spring element (16) and screw in screw (16a).

 Transmission 722.9 in model 463Bolt, leaf spring to transmission housing

*BA27.40-P-1013-01E

 Transmission 722.55
Transmission 722.9Bolt, leaf spring to transmission housing

*BA27.40-P-1019-01A

 Transmission 722.55
Transmission with intelligent servo module (ISM)
Transmission 722.9Detent plate spring element bolt to electrohydraulic controller unit

*BA27.19-P-1005-01A

12

Install oil pan.

Transmission 722.55Transmission with intelligent servo module (ISM)

AR27.10-P-7030GZH

Transmission 722.9 in model 164, 171, 172, 203, 204, 205, 207, 209, 211, 212, 215, 216, 218, 219, 220, 221, 230, 231, 251
Transmission with intelligent servo module (ISM)Transmission 722.9 in model 463Transmission with intelligent servo module (ISM)

AR27.10-P-7030W

Transmission 722.9 in model 166, 292Transmission with intelligent servo module (ISM)

AR27.10-P-7031GQ

Transmission 722.9 in model 217, 222Transmission with intelligent servo module (ISM)

AR27.10-P-7031LFA

13

Install heat shield (3) of left catalytic converter and bracket (2) of lower engine compartment lining.

Transmission 722.55/9 in model 164, 221, 251Transmission with intelligent servo module (ISM)

14

Install intelligent servo module (ISM).

Transmission 722.9 in model 463Transmission with intelligent servo module (ISM)

AR27.19-P-0550GW

Transmission 722.9 in model 251

AR27.19-P-0550RT

Transmission 722.9 in model 221.0/1

AR27.19-P-0550SX

Transmission 722 in model 164

AR27.19-P-0550GZA

Transmission 722.9 in model 205 with engine 276

AR27.19-P-0550LWA

Transmission 722.9 in model 222
except code Z07 (B7 armoring on special protection version)

AR27.19-P-0550LF

Transmission 722.9 in model 222
with code Z07 (B7 armoring on special protection version)

AR27.19-P-0550LFS

Transmission 722.9 in model 205 with engine 651

AR27.19-P-0550LWB

15

Fill transmission with transmission oil.

Transmission 722.9 (except 722.96/97)Transmission with intelligent servo module (ISM)

AR27.00-P-0270W

Transmission 722.96Transmission with intelligent servo module (ISM)

AR27.00-P-0270SYZ

Transmission 722.55Transmission with intelligent servo module (ISM)

AR27.00-P-0100GZH



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

16

Perform engine test run and check transmission housing (1) at connecting points and on radial shaft sealing ring (20) for leak tightness then check the transmission for proper operation.

 Electrohydraulic controller unit

Number

Designation

Transmission 722.9

BA27.19-P-1004-01A

Shift shaft clamp bolt to detent plate

Nm

8

 Electrohydraulic controller unit

Number

Designation

Transmission 722.55

Transmission 722.9

BA27.19-P-1005-01A

Detent plate spring element bolt to electrohydraulic controller unit

Nm

8

9

 Housing

Number

Designation

Transmission 722.55

Transmission 722.9

BA27.40-P-1006-01A

Bolt, detent plate to range selector lever

Nm

8

8

 Housing

Number

Designation

Transmission 722.9 in model 463

BA27.40-P-1007-01E

Bolt, detent plate to range selector lever

Nm

8

 Housing

Number

Designation

Transmission 722.9 in model 463

BA27.40-P-1013-01E

Bolt, leaf spring to transmission housing

Nm

5

 Housing

Number

Designation

Transmission 722.55

Transmission 722.9

BA27.40-P-1019-01A

Bolt, leaf spring to transmission housing

Nm

5

5

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01