Detach/attach transmission housing on torque converter housing.

AR27.50-D-0601WE

Detach/attach transmission housing on torque converter housing.

21.12.11

 

Disassemble/assemble

1

Remove automatic transmission

AR27.10-D-0502W

2

Fasten transmission on assembly stand

AR27.10-D-0600-01WE

 Assembly stand

*116589065900

 Support plate

*140589346300

3

Detach oil pan (6)

AR27.10-D-7030WE

4

Remove oil filter (5)

5

Remove electric controller unit (Y3/8)

AR27.19-D-0200WE

6

Remove output flange (8)

 Installation: Replace the collar nut.

AR27.50-D-0620-02WE

 Puller

*000589893300

 Socket wrench bit

*126589020900

 Drift

*716589011500

 Pin wrench

*901589000700



*BA27.50-N-1001-01C

7

Remove radial sealing ring (10)

 Do not damage seat of radial sealing ring (10). Otherwise the transmission housing may be damaged.

 Installation: Install new radial sealing ring (10) with drift into rear cover until the drift contacts the rear cover.

 Drift

*140589121500

8

Remove grooved ball bearing (11)

AR27.50-D-0601-01WE

 Puller

*001589503300

 Clamping pliers

*140589063400

 Installation: Check the play and insert the retaining ring.

AR27.50-D-0600-05WE

9

Remove shim between grooved ball bearing (11) and park pawl gear

 Installation: Measure and adjust the axial play between the park pawl gear and grooved ball bearing (11).

See: 

Measure axial play between the park pawl gear and grooved ball bearing (11).

AR27.50-D-0600-06A

 Parallel support

*126589043100

Axial play

*BE27.50-N-1001-01B

10

Detach rear engine mount bearing bracket (7)

 Only when removing parking lock mechanism.

 Installation: Install new bolts.



*BA27.40-N-1011-01I

11

Remove internal Torx bolts (9, 14)

 Position transmission so that it is vertical with the torque converter housing (1) facing downward. Otherwise the transmission housing (3) falls down after removing the last internal Torx bolt (9, 14).

 Installation: Replace internal Torx bolts (9,14).



*BA27.40-N-1008-01I

12

Take transmission housing (3) off torque converter housing (1)

 Installation: Carefully mount transmission housing (3), and never tighten using the internal Torx bolts (9, 14) on the torque converter housing (1). Otherwise the disks of the BR clutch pack (12) and multidisk brake B2 (13) may break off.

 Installation: The transmission housing (3) must lie completely flush (without gaps) against the seal (2) on the torque converter housing (1) (arrow).

Align disks in transmission housing (3). Plug output flange (8) onto output shaft. Quickly turn the output shaft and simultaneously lift the transmission housing (3) so that the transmission housing (3) gradually slips at the seal (2) of the torque converter housing (1).

13

Assemble in the reverse order

Number

Designation

Trans-mission 722.9

BE27.50-N-1001-01B

End play between park pawl gear and grooved ball bearing

mm

0.2...0.4

Number

Designation

Trans-mission 722.9

BA27.40-N-1008-01I

Bolt, transmission housing to converter housing

Stage 1

Nm

10

Stage 2

°

90

BA27.40-N-1011-01I

Bolt, bracket for rear engine mount to transmission

Stage 1

Nm

10

Stage 2

°

90

Number

Designation

Trans-mission 722.9

BA27.50-N-1001-01C

Collar nut, output flange to output shaft

Nm

200