Remove/install all-wheel drive transmission ratio indicator switch

AR28.00-S-0020P

Remove/install all-wheel drive transmission ratio indicator switch

06.03.2020

Model

470, 471 with engine 699

with code ZG3 (Engageable all-wheel drive with gear reduction)

Modification notes

10.09.2018

Repair materials reference BR00.45-Z-1028-04A added

Operation step 3

10.09.2018

Filling capacities reference BF28.10-N-1001-01P added

Operation step 7

10.09.2018

"Hand pump 210 589 00 71 00" added

Operation step 7

10.09.2018

Method extended

Operation step 10

10.09.2018

Filling capacities reference BF28.10-N-1001-01P added

Operation step 8

AR28.10-S-0100-03P

10.09.2018

"Hand pump 210 589 00 71 00" added

Operation step 8

AR28.10-S-0100-03P

08.10.2018

ATF

Model 470, 471 with engine 699 with code ZG3 (Engageable all-wheel drive with transmission ratio)

BF28.10-N-1001-01P

1

Electrical connector

2

All-wheel drive transmission ratio indicator switch

 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

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A



Remove

1

Raise vehicle.

AR00.60-S-1000-04P

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01P

2

Disconnect electrical connector (1).



Clean

3

Clean area surrounding all-wheel drive transmission ratio indicator switch (2).

Assembly cleaner

*BR00.45-Z-1028-04A

4

Unscrew all-wheel drive transmission ratio indicator switch (2).



Install

5

Screw-in all-wheel drive transmission ratio indicator switch (2).

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

 Commercially available devices/tools
19 mm open end wrench bit

 Transmission ratio all-wheel drive indicator switch to transfer case

*BA28.40-N-1002-01P

6

Connect electrical connector (1).



Check

7

Check oil level in transfer case.

Draining and filling oil in transfer case

AR28.10-S-0100-03P

 Commercially available devices/tools
Collecting pan

 Filling screw to transfer case

*BA28.10-N-1001-01P

 Drain screw to transfer case

*BA28.10-N-1002-01P

 ATF

*BF28.10-N-1001-01P

Thread locking adhesive, Loctite 241

*BR00.45-Z-1001-02A

Assembly cleaner

*BR00.45-Z-1028-04A

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

 Hand pump

*210589007100

If corresponding findings are present,



Correct oil level.

8

Lower vehicle.

9

Read out and delete fault memory using vehicle diagnosis system.



Connect/disconnect diagnostic unit

AD00.00-S-2000-06P

 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

10

Check transfer case for leak tightness and proper operation with engine running.

Notes on evaluating leakages

AH00.00-N-0011-01A

 Complete transfer case

Number

Designation

Model 470, 471 with engine 699
with code ZG3 (Engageable all-wheel drive with gear reduction)

BA28.10-N-1001-01P

Filling screw to transfer case

Nm

21

 Complete transfer case

Number

Designation

Model 470, 471 with engine 699
with code ZG3 (Engageable all-wheel drive with gear reduction)

BA28.10-N-1002-01P

Drain screw to transfer case

Nm

21

 Transfer case housing

Number

Designation

Model 470, 471 with engine 699
with code ZG3 (Engageable all-wheel drive with gear reduction)

BA28.40-N-1002-01P

Transmission ratio all-wheel drive indicator switch to transfer case

Nm

27

 Transfer case

Number

Designation

Model 470, 471 with engine 699
with code ZG3 (Engageable all-wheel drive with gear reduction)

BF28.10-N-1001-01P

ATF

Filling capacity

Liter

 1,5

Sheet

BB00.40-P-0236-12A

Repair materials

Number

Designation

Order number

BR00.45-Z-1001-02A

Thread locking adhesive, Loctite 241

A 002 989 94 71

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01

BR00.45-Z-1046-04A

Loctite 7063 (400 ml) cleaning spray

A 001 986 71 71 09