Seal transmission housing

AR26.40-P-2003RR

Seal transmission housing

20.3.07

3.4.06

Use of assembly added

Steps 10 and 19

3.4.06

Diagram for applying sealant added

Step 16

3.4.06

Tightening procedure of bolts for transmission housing to coupling housing changed

Step 18

3.4.06

Torque, bolt of transmission housing to clutch housing, changed

Transmission 717.408 /476 /477

*BA26.40-P-1004-01D



Removing

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A

1

Remove the clutch actuator

AR25.20-P-0125SM

2

Disconnect battery ground line

AR54.10-P-0003RR

3

Remove rear axle shafts

AR35.30-P-0620RR

4

Remove rpm sensor

AR26.19-P-0023RR

5

Remove transmission motor

AR26.19-P-0014RR

6

Remove turning angle sensor

AR26.19-P-0025RR

7

Drain transmission oil



Manual transmission - oil change

AP26.00-P-2601RR

8

Remove transmission

AR26.10-P-0020RR

9

Clean transmission housing (2) and clutch housing (3)

 Use a commercially available cleaner.

10

Position transmission housing (2) on the assembly plate

 The transmission housing (2) remains on the assembly plate throughout the entire repair process.

Assembly plate

*450589013100



Disassemble

11

Unscrew bolts (1) on transmission housing (2)

12

Heat up transmission housing (2) using hot air gun

 Ensure that the radial shaft sealing ring (5) of the axle shaft is not damaged by the hot air flow otherwise it should be replaced.

 Heat up transmission housing (2) evenly in the areas of the hatched zones (see pictures A).

13

Detach transmission housing (2) from clutch housing (3)

 Ensure that the radial shaft sealing ring (5) of the axle shaft is not damaged by the hot air flow otherwise it should be replaced.

 To facilitate disassembly position a suitable prying tool between the transmission housing (2) and clutch housing (3) (arrows) and carefully separate transmission housing (2) from clutch housing (3)

(pictures B).

If necessary heat up the transmission housing (2) in the areas of the hatched zones (see pictures A) again evenly using a hot air gun.

Helper required



Checking

14

Check spacer rings (4)

Only on transmissions in which spacer washers (4) are fitted.

 Check spacer washers (4) for cleanliness and correct seat.

15

Remove the remains of sealant on transmission housing (2) and remove clutch housing (3) and clean sealing surfaces on the transmission housing (2) and clutch housing (3)

16

Coat sealant, corresponding to the sealant run shown in picture C, on the sealing surface of the clutch housing (3)

 Apply the sealing compound evenly. Make sure that no sealing compound enters the mechanical system of the transmission.

Sealing compound

*BR00.45-Z-1053-01A



Assemble

17

Attach transmission housing (2) to clutch housing (3)

 Ensure that the radial shaft sealing ring (5) of the axle shaft is not damaged by the hot air flow otherwise it should be replaced.

 Observe installation position of spacer washers (4) during assembly, if fitted.

If necessary heat up the transmission housing (2) in the areas of the hatched zones (see pictures A) again evenly using a hot air gun.

Aid of helper required

18

Tighten screws (1)

 Tighten the bolts (1) evenly over the entire periphery.



*BA26.40-P-1004-01D

19

Detach transmission housing (2) from the assembly plate

Assembly plate

*450589013100



Install

20

Install transmission

AR26.10-P-0020RR

21

Install turning angle sensor

AR26.19-P-0025RR

22

Install transmission motor

AR26.19-P-0014RR

23

Install rpm sensor

AR26.19-P-0023RR

24

Install rear axle shafts

AR35.30-P-0620RR

25

Install clutch actuator

AR25.20-P-0125SM

26

Add transmission fluid



Manual transmission - oil change

AP26.00-P-2601RR

27

Connect ground cable to battery

AR54.10-P-0003RR

28

Read out fault memory



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04RR

Number

Designation

Transmission
717.407
as of 12.09.00,
transmission
717.408/409/
476/477

BA26.40-P-1004-01D

Bolt, transmission housing to clutch housing

Stage 1

Nm

27

Stage 2

Releasing

Stage 3

Nm

25

Number

Designation

Order number

BR00.45-Z-1053-01A

Sealing compound

Q0000282V000000000