Remove/install hydraulic unit

AR26.60-D-0019A

Remove/install hydraulic unit

06.03.2020

Transmission

716.622 in model 203, 208.344/444

with code 424 (SEQUENTRONIC (easy-shift m.transmission))

Transmission

716.623 in model 203.0/2, 209.361

with code 424 (SEQUENTRONIC (easy-shift m.transmission))

Transmission

716.643 in model 901.6, 902.6, 903.6, 904.6

Transmission

716.662 in model 203.7, 208.348/448

with code 424 (SEQUENTRONIC (easy-shift m.transmission))

Modification notes

30.01.2018

Work procedure split up and updated

Operation steps 1 to 17

30.01.2018

Work procedure updated

Operation steps 1 to 18

AR26.60-D-0019-02B

Shown on transmission 716.643 in model 901.6, 902.6, 903.6, 904.6

1

Check strap

2

Bolts

3

Hydraulic 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

 Warning

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid.

Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

 Warning

Risk of injury to hands or eyes when working on hydraulic pressure reservoir systems caused by hydraulic fluid to specification 345.0 spraying out under pressure

Depressurize hydraulic pressure reservoir system before commencing work on system. Wear protective gloves and safety glasses.

AS00.00-Z-0028-01A



Remove

1

Remove cover from right electrical connector on transmission

Transmission 716.643 in model 901.6, 902.6, 903.6, 904.6

AR26.40-D-2002-03A

 Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Description is not available for these vehicles.

2

Disconnect electrical connector from hydraulic pump

AR26.60-D-0007A

3.1

Switch on ignition and switch through the gears until the transmission is unpressurized

Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.643 in model 901.6## ## up to 159152, 902.6## ## up to 159152, 903.6## ## up to 159152, 904.6## ## up to 159152
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))



Connect diagnosis testing equipment

Transmission 716.643 in model 901.6## ## up to 159152, 902.6## ## up to 159152, 903.6## ## up to 159152, 904.6## ## up to 159152

AD00.00-D-2003A



Connect STAR DIAGNOSIS and read out fault memory

Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))

AD00.00-P-2000-04A

 Read out and check hydraulic pressure here using vehicle diagnosis system.

3.2

Vent hydraulic pressure using vehicle diagnosis system

Transmission 716.643 in model 901.6## ## as of 159153, 902.6## ## as of 159153, 903.6## ## as of 159153, 904.6## ## as of 159153



Connect diagnosis testing equipment

AD00.00-D-2003A

4

Remove respective vehicle diagnosis system

5.1

Remove transmission

Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))

AR26.10-P-0020E

5.2

Remove check strap (1) from propeller shaft

Transmission 716.643 in model 901.6, 902.6, 903.6, 904.6

 To do this, remove screws (2).

6

Remove engine cross member at rear

Transmission 716.643 in model 901.6 with engine 611
Transmission 716.643 in model 902.6 with engine 611, 612
Transmission 716.643 in model 903.6 with engine 611, 612
Transmission 716.643 in model 904.6 with engine 611, 612

AR22.10-D-1170B

 Lower transmission.

7

Remove turning angle sensors

Transmission 716.643 in model 901.6## ## up to 159192, 902.6## ## up to 159192, 903.6## ## up to 159192, 904.6## ## up to 159192

AR26.19-D-0022A

8

Remove sensor plate

Transmission 716.643 in model 901.6## ## up to 159192, 902.6## ## up to 159192, 903.6## ## up to 159192, 904.6## ## up to 159192

AR26.60-D-0017A

Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.643 in model 901.6## ## as of 159193, 902.6## ## as of 159193, 903.6## ## as of 159193, 904.6## ## as of 159193
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))

AR26.60-D-0017B

9

Remove hydraulic unit (3)

Transmission 716.643 in model 901.6## ## up to 159192, 902.6## ## up to 159192, 903.6## ## up to 159192, 904.6## ## up to 159192

AR26.60-D-0019-01A

Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.643 in model 901.6## ## as of 159193, 902.6## ## as of 159193, 903.6## ## as of 159193, 904.6## ## as of 159193
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))

AR26.60-D-0019-01B

 Screwdriver

*716589001100



Install

10

Install hydraulic unit (3)

Transmission 716.643 in model 901.6## ## up to 159192, 902.6## ## up to 159192, 903.6## ## up to 159192, 904.6## ## up to 159192

AR26.60-D-0019-02A

Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.643 in model 901.6## ## as of 159193, 902.6## ## as of 159193, 903.6## ## as of 159193, 904.6## ## as of 159193
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))

AR26.60-D-0019-02B

 Transmission 716.643Union nut, hydraulic unit pressure line to pressure reservoir

*BA26.60-N-1010-01A

 Transmission 716.622/623/662Pressure line for hydraulic unit to pressure reservoir

*BA26.60-P-1001-01D

 Transmission 716.643Union nut, hydraulic pump pressure line to hydraulic unit

*BA26.60-N-1011-01A

 Transmission 716.622/623/662Pressure line, hydraulic pump to hydraulic unit

*BA26.60-P-1002-01D

 Transmission 716.643Bolt, bottom of hydraulic unit to transmission

*BA26.60-N-1012-01A

 Transmission 716.622/623/662Bolt, bottom of hydraulic unit to transmission

*BA26.60-P-1003-01D

 Transmission 716.643Union nut, clutch line to hydraulic unit

*BA26.60-N-1013-01A

 Transmission 716.622/623/662Clutch line to hydraulic unit

*BA26.60-P-1004-01D

 Transmission 716.643Bolt, connecting sleeve to main shifter shaft

*BA26.60-N-1014-01A

 Transmission 716.622/623/662Bolt, connecting sleeve to central shift shaft

*BA26.60-P-1017-01D

 Transmission 716.643Bolt, hydraulic unit on top of transmission

*BA26.60-N-1017-01A

 Transmission 716.622/623/662Bolt, hydraulic unit on top of transmission

*BA26.60-P-1006-01D

 Transmission 716.643Bolt, hose holder to hydraulic unit

*BA26.60-N-1024-01A

 Transmission 716.622/623/662Bracket of connection hose to hydraulic unit

*BA26.60-P-1009-01D

 Transmission 716.643Bolt, magnet displacement angle to connecting sleeve

*BA26.60-N-1026-01A

 Transmission 716.622/623/662Bolt, magnet displacement angle to coupling sleeve

*BA26.60-P-1024-01D

Loctite 5203 sealant

*BR00.45-Z-1015-01A

Assembly cleaner

*BR00.45-Z-1028-04A

 Screwdriver

*716589001100

11

Install sensor plate

Transmission 716.643 in model 901.6## ## up to 159192, 902.6## ## up to 159192, 903.6## ## up to 159192, 904.6## ## up to 159192

AR26.60-D-0017A

Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.643 in model 901.6## ## as of 159193, 902.6## ## as of 159193, 903.6## ## as of 159193, 904.6## ## as of 159193
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))

AR26.60-D-0017B

12

Install turning angle sensors

Transmission 716.643 in model 901.6## ## up to 159192, 902.6## ## up to 159192, 903.6## ## up to 159192, 904.6## ## up to 159192

AR26.19-D-0022A

13

Install engine cross member at rear

Transmission 716.643 in model 901.6 with engine 611
Transmission 716.643 in model 902.6 with engine 611, 612
Transmission 716.643 in model 903.6 with engine 611, 612
Transmission 716.643 in model 904.6 with engine 611, 612

AR22.10-D-1170B

14.1

Install transmission

Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))

AR26.10-P-0020E

14.2

Fit check strap (1) onto propeller shaft

Transmission 716.643 in model 901.6, 902.6, 903.6, 904.6

 Bolt, retaining bracket to frame floor assembly

*BA41.10-N-1004-01B

15

Connect electrical connector to hydraulic pump

AR26.60-D-0007A

16

Install cover on right electrical connector on transmission

Transmission 716.643 in model 901.6, 902.6, 903.6, 904.6

AR26.40-D-2002-03A

 Transmission 716.622 in model 203, 208.344/444
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.623 in model 203.0/2, 209.361
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Transmission 716.662 in model 203.7, 208.348/448
with code 424 (SEQUENTRONIC (easy-shift m.transmission))
Description is not available for these vehicles.



Check

17

Check hydraulic oil level

AR26.60-D-0009A

Depending on findings



Correct hydraulic fluid level.

 Shift

Number

Designation

Transmission 716.643

BA26.60-N-1010-01A

Union nut, hydraulic unit pressure line to pressure reservoir

Nm

16

 Shift

Number

Designation

Transmission 716.643

BA26.60-N-1011-01A

Union nut, hydraulic pump pressure line to hydraulic unit

Nm

16

 Shift

Number

Designation

Transmission 716.643

BA26.60-N-1012-01A

Bolt, bottom of hydraulic unit to transmission

Nm

9,5

 Shift

Number

Designation

Transmission 716.643

BA26.60-N-1013-01A

Union nut, clutch line to hydraulic unit

Nm

16

 Shift

Number

Designation

Transmission 716.643

BA26.60-N-1014-01A

Bolt, connecting sleeve to main shifter shaft

Nm

11,5

 Shift

Number

Designation

Transmission 716.643

BA26.60-N-1017-01A

Bolt, hydraulic unit on top of transmission

Nm

7,5

 Shift

Number

Designation

Transmission 716.643

BA26.60-N-1024-01A

Bolt, hose holder to hydraulic unit

Nm

6

 Shift

Number

Designation

Transmission 716.643

BA26.60-N-1026-01A

Bolt, magnet displacement angle to connecting sleeve

Nm

3

 Shift operation

Number

Designation

Transmission 716.622/662

Transmission 716.623

BA26.60-P-1001-01D

Pressure line for hydraulic unit to pressure reservoir

Nm

16

16

 Shift operation

Number

Designation

Transmission 716.622/662

Transmission 716.623

BA26.60-P-1002-01D

Pressure line, hydraulic pump to hydraulic unit

Nm

16

16

 Shift operation

Number

Designation

Transmission 716.622/662

Transmission 716.623

BA26.60-P-1003-01D

Bolt, bottom of hydraulic unit to transmission

Nm

9,5

9,5

 Shift operation

Number

Designation

Transmission 716.622/662

Transmission 716.623

BA26.60-P-1004-01D

Clutch line to hydraulic unit

Nm

16

16

 Shift operation

Number

Designation

Transmission 716.622/662

Transmission 716.623

BA26.60-P-1006-01D

Bolt, hydraulic unit on top of transmission

Nm

7,5

7,5

 Shift operation

Number

Designation

Transmission 716.622/662

Transmission 716.623

BA26.60-P-1009-01D

Bracket of connection hose to hydraulic unit

Nm

6

6

 Shift operation

Number

Designation

Transmission 716.622/662

Transmission 716.623

BA26.60-P-1017-01D

Bolt, connecting sleeve to central shift shaft

Nm

11,5

11,5

 Shift operation

Number

Designation

Transmission 716.622/662

Transmission 716.623

BA26.60-P-1024-01D

Bolt, magnet displacement angle to coupling sleeve

Nm

3

3

 Propeller shaft

Number

Designation

Model 690.6, 901, 902, 905 (except 905.613)
Model 903.0/4/6, 904.0/4, 904.6 (except 904.663)
except code ZG1 (Engageable all-wheel drive)
except code ZG2 (Permanent all-wheel drive)
except code ZG3 (Engageable all-wheel drive with gear reduction)
Model 905.613
Except Sprinter low floor minibus

Model 903.6, 904.6 (except 904.663)
with code ZG1 (Engageable all-wheel drive)
Model 903.6, 904.6 (except 904.663)
with code ZG2 (Permanent all-wheel drive)
Model 903.6, 904.6 (except 904.663)
with code ZG3 (Engageable all-wheel drive with gear reduction)

BA41.10-N-1004-01B

Bolt, retaining bracket to frame floor assembly

M121.5

Nm

100

-

 Propeller shaft

Number

Designation

Model 904.663
Model 905.613
Sprinter low-floor minibus

BA41.10-N-1004-01B

Bolt, retaining bracket to frame floor assembly

M121.5

Nm

100

Repair materials

Number

Designation

Order number

BR00.45-Z-1015-01A

Loctite 5203 sealant

A 002 989 71 20 10

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01