Remove/install electrohydraulic controller unit (transmission installed)

AR27.19-D-0200TSC

Remove/install electrohydraulic controller unit (transmission installed)

06.03.2020

Transmission

725 in model 907

1

Transmission housing

2

Bolts

3

Screw

N15/11

Fully integrated transmission control (VGS) electric controller unit

4

Transmission plug

4a

Sealing ring

6

Contact pins

7a

Oil guide pipe

7b

Oil guide pipe

N15/11

Fully integrated transmission control (VGS) electric controller unit

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 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

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on automatic transmission

AH27.19-P-0001-01NKB

 

Remove/install

1

Remove oil pan from automatic transmission.

AR27.10-D-7031TSC

 Installation: Replace oil pan of automatic transmission.

2

Release and disconnect electrical connector from transmission connector(4).

 Installation: Clean transmission connection (4) and electrical connector on fully integrated transmission control (VGS) electric controller unit (N15/11).

3

Remove screw (3).

 Screw/bolt, auxiliary oil pump to transmission housing

*BA27.19-P-1003-01D

4

Remove screws (2) and remove fully integrated transmission control electric controller unit (VGS) (N15/11).


If the fully integrated transmission control (VGS) electric controller unit (N15/11) is seized, cover sealing surfaces and pry off from transmission housing (1) using a suitable tool.
Otherwise, the fully integrated transmission control (VGS) electric controller unit (N15/11) and the sealing surfaces on the transmission housing (1) will be damaged.

 Installation:
Make sure that the contact pins (6) of the selector lever lock are not damaged.
Otherwise, malfunctions will occur with the selector lever lock.

 Installation: Insert plain couplers (7a, 7b) into fully integrated transmission control (VGS) electric controller unit (N15/11).

 Screw/bolt, electrohydraulic controller unit to transmission housing

*BA27.19-P-1001-01D

5

Clean plain couplers(7a,7b), sealing ring(4a) and the area surrounding them.

Assembly cleaner

*BR00.45-Z-1028-04A



Check

6

Check plain couplers (7a, 7b) for damage.

If the plain couplers (7a, 7b) are damaged.



Replace plain couplers (7a, 7b).

7

Install in the reverse order.

Concluding tasks

8

Connect vehicle diagnosis system and read out fault memory.



AD00.00-D-2000-06TS

9

Perform transmission adaptation with vehicle diagnosis system.



AD00.00-D-2000-06TS

 Electrohydraulic controller unit

Number

Designation

Transmission 725.0

BA27.19-P-1001-01D

Screw/bolt, electrohydraulic controller unit to transmission housing

Stage 1

Nm

4

Stage 2

°

90

 Electrohydraulic controller unit

Number

Designation

Transmission 725.0

BA27.19-P-1003-01D

Screw/bolt, auxiliary oil pump to transmission housing

Stage 1

Nm

4

Stage 2

°

90

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01