Remove/install transfer case control unit

AR28.19-P-1003OID

Remove/install transfer case control unit

18.01.2019

Transmission

725.0 in model 167 with engine 654.9

Transmission

725.0 in model 167 with engine 656

Shown with code 430 (Off-road package)

1

Transfer case

2

Electrical connector

3

Screw

N15/7

Transfer case control unit

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 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

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Put transmission into neutral position.


Do not park vehicle in off-road program.
Otherwise damage will occur.

2

Disconnect ground line from battery.

AR54.10-P-0003ME

3

Lift vehicle with vehicle lift.

AR00.60-P-1006A

4

Remove cover under transfer case (1).

Transmission 725.0 in model 167 with engine 656

AR61.30-P-1001ME

 Installation: Install cover under transfer case (1) only after leak test.

5

Remove shield plate from transfer case (1).

Transmission 725.0 in model 167 with engine 654.9
with code 430 (Offroad package)
Transmission 725.0 in model 167 with engine 656
with code 430 (Offroad package)

 Screw, shield to off-road bracket

*BA28.10-P-1008-01I

6

Release and disconnect electrical connector (2).

7

Remove bracket of shield plate.

 M61

*BA00.10-P-1002-04A

8

Remove bolts (3).

 Bolt, transfer case control unit to transfer case

*BA28.19-P-1002-01B

9

Remove transfer case control unit (N15/7).

 Installation:
The lugs of the transfer case control unit (N15/7) must engage in the grooves in the transfer case (1).
Damage will otherwise occur.

 Installation: Replace seals.

10

Install in the reverse order.

11

Perform commissioning of transfer case control unit (N15/7).

When replacing the transfer case control unit (N15/7).



AD00.00-P-2000-06ME

12

Read out and delete fault memory.



AD00.00-P-2000-06ME

 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

13

Perform engine test run; while doing so, check transfer case (1) for proper operation and leak tightness.

14

Install cover under transfer case(1).

Transmission 725.0 in model 167 with engine 656

AR61.30-P-1001ME

 Metric screws/bolts and nuts as per MBN 10 105, 10 143

Number

Designation

8.8

10.9

BA00.10-P-1002-04A

M61

Nm

9

13

 Complete transfer case

Number

Designation

Model 167
with code 430 (Offroad package)

BA28.10-P-1008-01I

Screw, shield to off-road bracket

M5

Nm

5

 Transfer case electrical system

Number

Designation

Model 167

BA28.19-P-1002-01B

Bolt, transfer case control unit to transfer case

M8

Nm

22