Remove/install transmission with torque converter

AR27.10-D-0500TSC

Remove/install transmission with torque converter

19.05.2020

Transmission

725.0 in model 907 with engine 274

Transmission

725.0 in model 907.1/2/6 with engine 654.9

Modification notes

20.04.2020

Work procedure revised.

Shown on transmission 725.0 with engine 274

1

Transmission

4

Cover

2

Bolts

5

Electrical wiring harness

3

Rear engine cross member

6

Heat shield

Shown on transmission 725.0 with engine 274

7

Bracket

8

Nuts

19

Bolts

Shown on transmission 725.0 with engine 654.9

9

Screw

17

Bracket

22

Bolts

11

Bracket

18

Feed line

23

Transmission carrier

16

Screw

20

Return flow pipe

24

Transmission mount

Shown on transmission 725.0 with engine 654.9

12

Locking clamp

18

Feed line

21

Wooden block

15

Bayonet coupling

20

Return flow pipe

25

Retaining clips

1

Transmission

14

Threaded unions

10

Torque converter

19

Screws (12 pcs.)

13

Drive plate

 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 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

1

Shift transmission (1) to neutral position, release parking brake and secure vehicle to prevent it from rolling away.

2

Disconnect ground line from on-board electrical system battery.

AR54.10-D-0029TS

3

Raise vehicle.

AR00.60-D-1000-04TS

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01TS

4

Remove lower engine compartment paneling.

Model 907 with code XM1 (Noise abatement measures)

AR61.20-D-1105TS

5

Remove underfloor panels.

Model 907 with code XM1 (Noise abatement measures)

AR61.30-D-1001TS

6

Secure vehicle on vehicle lift.

AR00.60-D-0100-01TS

7.1

Remove nuts (8) from holder (7) on exhaust system.

Transmission 725.0 in model 907 with engine 274

7.2

Remove screws (9) and place holder (11) to one side.

Transmission 725.0 in model 907.1/2/6 with engine 654.9

8

Remove screws (19) from holder (7) on transmission (1) and remove holder (7).

Transmission 725.0 in model 907 with engine 274

9

Unclip electrical wiring harness (5) from transmission (1).

10

Remove heat shield (6) from transmission (1).

AR27.40-D-0700-02TSC

11

Release securing bracket (12) (arrow A) and remove bayonet coupling (15) from electrohydraulic controller unit.

12

Release screw (16), rotate holder (17) through 90° and unhook both transmission oil lines from holder (17).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

13

Remove transmission oil cooling feed line (18) from transmission (1) and seal using suitable stop plugs.

AR27.10-D-0501-03TSF

 Collect any transmission oil which runs out.

Assembly cleaner

*BR00.45-Z-1028-04A

 Record plug

*129589009100

14

Remove transmission oil cooling return line (20) from transmission (1) and seal with suitable stop plugs.

AR27.10-D-0501-03TSF

 Collect any transmission oil which runs out.

Assembly cleaner

*BR00.45-Z-1028-04A

 Record plug

*129589009100

15

Remove cover(4).

16

Remove torque converter (10) from drive plate (13).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

AR27.20-D-0001-01TSM

Transmission 725.0 in model 907 with engine 274

AR27.20-D-0001-01TSC


Never use an impact wrenches/drivers or compressed air tools when unscrewing the bolts.
Otherwise, the threaded unions (14) in the drive plate (13) will be damaged.

 Counterholder

*654589004000

 Long wedge

*115589035900

 Transmission 725.0 in model 907.6 with engine 654.9
with code HK4 (Rear air conditioning, reinforced)
Counterholder

*654589034000

 Transmission 725.0 in model 907 with engine 274
Ring wrench

*177589000300

 Transmission 725.0 in model 907 with engine 274
Socket wrench bit

*001589650900

17

Prop up and strap down transmission (1) using major assembly support and mounting plate.



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

18

Support engine timing case using a wooden block (21).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

19.1

Remove screws (2) and remove rear engine crossmember (3).

Transmission 725.0 in model 907 with engine 274


Never use an impact wrench or compressed air tools when unscrewing the screws (2).
Otherwise, the threads will be damaged.

19.2

Remove screws (22) then remove transmission carrier (23) together with transmission mount (24).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

20

Remove propeller shaft from output flange and fix in place on underbody.

AR41.10-D-0050TS

21

Remove starter, place to one side with lines still connected and secure.

Transmission 725.0 in model 907.1/2/6 with engine 654.9

AR15.30-D-7100TSM

Transmission 725.0 in model 907 with engine 274

AR15.30-D-7100TSC

22

Remove remaining screws (19).

23

Carefully lower transmission (1) with torque converter (10) until retaining clips (25) are accessible.

Transmission 725.0 in model 907.1/2/6 with engine 654.9

24

Unclip retaining clips (25).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

 Clip remover

*452589016300

25

Remove transmission (1) with torque converter (10).

26

Secure torque converter (10) with cable ties to prevent it from falling out.



Clean

27

Remove corrosion from crankshaft.

AR03.20-P-1000-01A

Multi-purpose paste

*BR00.45-Z-1009-06A

Assembly cleaner

*BR00.45-Z-1028-04A



Check

28

Check threaded union (14) of drive plate (13).

If the threaded unions(14) are damaged or if they are loose,



replace drive plate(13).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

AR03.30-D-8003TSM

Transmission 725.0 in model 907 with engine 274

AR03.30-D-8003TSC



Install

29

Remove cable ties from torque converter (10).

30

Position transmission (1) together with torque converter (10) on timing case.



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

 Align the holes of the torque converter (10) with the threaded unions (14) in the drive plate (13).

31

Clip in retaining clips (25).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

32

Screw in screws(19).

 Transmission 725.0 in model 907 with engine 274
Two screws (19) of the holder (7) are screwed in at a later stage.

 Screw/bolt, transmission to engine

*BA27.10-P-1001-04H

33

Install starter.

Transmission 725.0 in model 907.1/2/6 with engine 654.9

AR15.30-D-7100TSM

Transmission 725.0 in model 907 with engine 274

AR15.30-D-7100TSC

34

Attach propeller shaft to output flange.

AR41.10-D-0050TS

35.1

Position rear engine crossmember (3) and screw in screws (2).

Transmission 725.0 in model 907 with engine 274


Never use an impact wrench or compressed air tools when screwing-in the screws (2).
Otherwise, the threads will be damaged.

 Bolt, rear engine mount to rear engine support

*BA22.10-N-1003-01TSR

 Screw/bolt, rear engine support to longitudinal member

*BA22.10-N-1002-01TSR

35.2

Position transmission carrier (23) together with transmission mount (24) and screw in screws (22).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

 Screw, transmission mount to transmission mount holder

*BA22.10-N-0004-01TSM

 Bolt, transmission carrier to frame-type integral support

*BA22.10-N-0002-01TSM

36

Remove wooden block (21).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

37

Unfasten strapping from transmission (1) and lower major assembly support and mounting plate.

38

Mount torque converter (10) onto drive plate (13).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

AR27.20-D-0001-01TSM

Topical note

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

AH00.00-P-0020-01A

Transmission 725.0 in model 907 with engine 274

AR27.20-D-0001-01TSC


Never use an impact wrenches/drivers or compressed air tools when screwing-in the bolts.
Otherwise, the threaded unions(14) in the drive plate(13) may be damaged.

 Bolt, torque converter to drive plate/star-shaped drive plates

*BA27.20-P-1001-01D

 Counterholder

*654589004000

 Long wedge

*115589035900

 Transmission 725.0 in model 907.6 with engine 654.9
with code HK4 (Rear air conditioning, reinforced)
Counterholder

*654589034000

 Transmission 725.0 in model 907 with engine 274
Ring wrench

*177589000300

 Transmission 725.0 in model 907 with engine 274
Socket wrench bit

*001589650900

39

Install cover (4).

40

Mount transmission oil cooling return line (20) onto transmission (1).

AR27.10-D-0501-03TSF

41

Mount transmission oil cooling feed line (18) onto transmission (1).

AR27.10-D-0501-03TSF

42

Position transmission oil lines in installation position, rotate holder (17) through 90° and tighten screw (16).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

 Screw, holder for oil lines to holder

*BA27.55-P-1021-01D

43

Attach bayonet coupling (15) to electrohydraulic controller unit and lock securing clip (12).

44

Mount heat shield (6) onto transmission (1).

AR27.40-D-0700-02TSC

45

Clip electrical wiring harness (5) onto transmission (1).

46

Screw holder (7) screws (19) onto transmission (1).

Transmission 725.0 in model 907 with engine 274

 Screw/bolt, transmission to engine

*BA27.10-P-1001-04H

47.1

Mount nuts (8) of holder (7) onto exhaust system and transmission (1).

Transmission 725.0 in model 907 with engine 274

 Nut, catalytic converter to catalytic converter bracket

*BA49.10-N-1001-02F

47.2

Position holder (11) on transmission (1) and screw-in screws (9).

Transmission 725.0 in model 907.1/2/6 with engine 654.9

48

Clip ground line onto on-board electrical system battery.

AR54.10-D-0029TS

Concluding tasks

49

Perform transmission adaptation with vehicle diagnosis system.

If the transmission (1) was replaced or repaired.



AD00.00-D-2000-06TS

50

Reset service life data for torque converter lockup clutch using diagnostic system.

If torque converter (10) was replaced.



AD00.00-D-2000-06TS

51

Check/correct transmission oil level.

AR27.00-D-0270TSC

 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

52

Perform engine test run and check transmission (1) for leak tightness and proper operation.

53

Remove tensioning straps securing vehicle.

54

Install underfloor paneling.

Model 907 with code XM1 (Noise abatement measures)

AR61.30-D-1001TS

55

Install lower engine compartment paneling.

Model 907 with code XM1 (Noise abatement measures)

AR61.20-D-1105TS

 Transmission mount, transmission carrier

Number

Designation

Engine 654.9 in model 907.1/2/6

BA22.10-N-0002-01TSM

Bolt, transmission carrier to frame-type integral support

Nm

57

 Transmission mount, transmission carrier

Number

Designation

Engine 654.9 in model 907.1/2/6

BA22.10-N-0004-01TSM

Screw, transmission mount to transmission mount holder

Nm

57

 Engine mounts, engine supports

Number

Designation

Engine 274 in model 907

BA22.10-N-1002-01TSR

Screw/bolt, rear engine support to longitudinal member

Nm

58

 Engine mounts, engine supports

Number

Designation

Engine 274 in model 907

BA22.10-N-1003-01TSR

Bolt, rear engine mount to rear engine support

M8

Nm

30

M10

Nm

58

 Automatic transmission complete

Number

Designation

Transmission 725.0

BA27.10-P-1001-04H

Screw/bolt, transmission to engine

Nm

39

 Torque converter

Number

Designation

Transmission 725.0 in model 907

BA27.20-P-1001-01D

Bolt, torque converter to drive plate/star-shaped drive plates

Angled threaded connection

Stage 1

Nm

3

Stage 2

Nm

30

Stage 3

°

90

 Transmission oil cooling

Number

Designation

Transmission 725.0

BA27.55-P-1021-01D

Screw, holder for oil lines to holder

Nm

8

 Exhaust system

Number

Designation

Engine 274 in model 907

BA49.10-N-1001-02F

Nut, catalytic converter to catalytic converter bracket

Nm

25

Repair materials

Number

Designation

Order number

BR00.45-Z-1009-06A

Multi-purpose paste

A 000 989 80 51

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01