Remove/install transmission with torque converter

AR27.10-P-0500VA

Remove/install transmission with torque converter

7.2.12

25.6.10

Value modified: self-locking nut, flexible coupling to transmission and front propeller shaft, M10

*BA41.10-P-1001-01A

Value modified: self-locking nut, flexible coupling to transmission and front propeller shaft, M12

*BA41.10-P-1001-01A

 

Remove/install



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Before starting work the area around the oil cooler lines must be thoroughly cleaned in the area around the separation points on the transmission (1). Even the smallest dirt particles in the hydraulic components can lead to malfunctions and a total failure of the transmission (1)

1

Move selector lever into position "N"

2

Release parking brake

3

Open engine hood

AR88.40-P-1000V

4

Detach ground line from battery

AR54.10-P-0003V



Notes on battery

AH54.10-P-0001-01A

5

Remove oil filler pipe

AR27.10-P-0500-04V



*BA27.10-P-1003-03A



*BA27.10-P-1004-03A

6

Lift vehicle on vehicle lift.

AR00.60-P-1000V

7

Remove bottom engine compartment paneling

AR61.20-P-1105V

8

Remove heat shield (6) and disconnect electrical connector (7) on electric controller unit

AR27.40-P-0700-01V



*BA27.40-P-1014-01A



*BA27.40-P-1019-01A

9

Detach retaining clamp (14) of shift rod (15)

 Installation: Install new retaining clamp (14).

10

Detach shift rod (15) at range selector lever (16) of transmission (1)

AR27.60-P-0990VA

11

Remove front flexible coupling (20V)

 If the fitted sleeves are jammed: 

AR41.10-P-0050-02V

Loosen fitted sleeves in front flexible coupling (20V).

AR41.10-P-0050-09V



Prepare drift for loosening fitted sleeves in flexible couplings.

WF58.50-P-4110-01A



*BA41.10-P-1001-01A

12

Remove catalytic converter

AR49.10-P-5500VK

13

Detach torque converter (9) from driven plate

 Do not use an impact wrench or compressed-air tool, otherwise the threads in the torque converter (9) will be damaged.

AR27.20-P-0100-01VA

 Crank engine at crankshaft center bolt in direction of rotation of engine.



*BA27.20-P-1002-01C



*001589650900

14

Press torque converter (9) evenly off driven plate using long wedge

 Do not damage the torque converter (9) and driven plate.



*115589035900

15

Support transmission (1) with transmission lifter and lash down securely

16

Remove bolts (2, 4) and remove rear engine crossmember (3) with rear engine mount.

 Check rear engine mount for wear and damage, replace if necessary

AR22.10-P-1160VK

 Installation: Screw in bolts (2) of rear engine crossmember (3) by hand in order not to damage the tapped holes in the underbody.

 Installation: Fasten ground (transmission) (W49) to rear engine mount.



*BA22.10-P-1003-01O



*BA22.10-P-1008-01O

 If a new transmission (1) is to be used, the ground line on the transmission housing must be modified.



*BA27.40-P-1013-01A

17

Detach right and left oil cooling line from transmission (1) and engine oil pan

 Do not bend or kink oil cooling lines.

 Seal connections with plugs.

 Installation: Replace O-rings.



*BA27.55-P-1002-01B



*BA27.55-P-1008-01B



*129589009100

18

Drain transmission oil

When replacing the transmission (1) and before repair work.

 If transmission oil is burnt or interspersed with abrasive particles: 

Drain transmission oil from the transmission oil pan and flush oil cooler and oil cooling lines.

AR27.55-P-0001V

 Installation: Replace sealing ring of oil drain screw.



*BA27.10-P-1001-03A

19

Remove bolts (8)



*BA27.40-P-1008-01A

20

Detach transmission (1) and take out downwards

 Secure torque converter (9) to prevent it from falling out.

 Installation: Align the threaded holes of the torque converter (9) and holes of the driven plate with each other.

21

Remove torque converter (9)

If necessary

AR27.20-P-0500-01P

Installed height of torque converter

*BE27.20-P-1001-01B

Multipurpose paste

*BR00.45-Z-1009-06A



*168589006200



Checking

22

Check tapped holes in torque converter (9)

 Check tapped holes for damage and replace torque converter (9) if necessary.

23

Install in the reverse order

24

Fill transmission (1) with transmission oil

When replacing the transmission (1) or if transmission oil is drained off.

25

Check oil level in automatic transmission (1); correct if necessary

AR27.00-P-0100AC

26

Perform basic programming

AR00.19-P-0200V

27

Read out fault memory with STAR DIAGNOSIS and erase if necessary

28

Perform transmission adaptation

A transmission adaptation must be carried out after exchanging or repairing the transmission (1).

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

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

AS00.00-Z-0005-01A

29

Perform engine test run and check transmission (1) for function and leaks

Number

Designation

Transmission
722.600/601/602/603/
604/605/608/611/614/
615/616/619/626/629/
634/637/640/642/660/
661/695/699

BE27.20-P-1001-01B

Installed height of torque converter

Distance from transmission housing

mm

7 (-2)

Number

Designation

Trans-mission 722.6 except 722.628/
648/649

BA27.10-P-1003-03A

Bolt, oil filler pipe to cylinder head

Nm

8

BA27.10-P-1004-03A

Bolt, oil filler pipe to transmission housing

Nm

8

Number

Designation

Trans-mission 722.6
except
722.648

BA27.20-P-1002-01C

Bolt, torque converter to drive plate

Straight threaded connection

M8

Nm

42

Angled threaded connection

Stage 1

Nm

4

Stage 2

Nm

30

Stage 3

°

90

Number

Designation

Engine
271 in model 171

BA22.10-P-1003-01O

Bolt, rear engine crossmember to body

Nm

50

BA22.10-P-1008-01O

Bolt, rear engine mount to transmission

Nm

50

Number

Designation

Transmission
722.6
except 722.660/661/662/663/666/673/674

BA27.40-P-1008-01A

Bolt, automatic transmission to engine

M1040

Nm

39

M1090

Nm

39

M12

Nm

-

BA27.40-P-1013-01A

Bolt, ground line to transmission housing

Nm

20

BA27.40-P-1014-01A

Bolt, heat shield to transmission housing

Nm

11

BA27.40-P-1019-01A

Bolt, leaf spring to transmission housing

Nm

8

Number

Designation

Model
171

BA41.10-P-1001-01A

Self-locking nut, flexible coupling to transmission or front propeller shaft

M10

Nm

-

M12

Nm

68

Number

Designation

Trans-mission 722.6 in model 170, 171, 203, 209, 210, 215, 219, 220, 230, 240

BA27.55-P-1002-01B

Banjo bolt or union nut, oil cooler line to torque converter and transmission housing

Stage 1

Nm

5

Stage 2

°

90

Hexalobular bolt

Nm

-

BA27.55-P-1008-01B

Bolt, oil cooler line retaining clamp to oil pan

Nm

8

Number

Designation

Trans-mission 722.6 except 722.628/
648/649

BA27.10-P-1001-03A

Oil drain screw to oil pan

Nm

20

Number

Designation

Order number

BR00.45-Z-1009-06A

Multipurpose paste

A 000 989 80 51 10