ar2740s0002ea

Replace torque converter housing

Type ar · topic 27.40 · version 0101 · 2020-07-22

Applies to: Transmission 725.0 in model 447, 448

Where it sits

Function group 2 Chassis › 27 Automatic transmission › 27.40 Housing — Series 447 · Series 448

EinPAS 17 Drivetrain/axle › 17.20 Transmission › 17.20.30 Housing/cap/oil pan/mounting — Series 447 · Series 448

Also applies to engines/gearboxes: 725 0**

AR27.40-S-0002EA

Replace torque converter housing

20.07.2020

Transmission

725.0 in model 447, 448

Replace torque converter housing

1

Externally-toothed disk carrier B08

2

Threaded fitting

3

O-ring

4

Transmission housing breathing

5

Torque converter housing

6

Seal

P27.40-2146-06

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 avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

General information on repair work on transmission

AH27.00-S-1000-01PS

Remove

1

Remove outer plate carrier B08 (1) from torque converter housing (5).

AR27.50-S-0617EA

2

Remove seal (6).

3

Remove threaded fittings (2).

4

Remove O-rings (3) from threaded fittings (2).

Assembly tool

*000589936300

5

Remove transmission housing ventilation (4).

6

Remove O-ring from transmission housing ventilation (4).

Assembly tool

*000589936300

Check

7

Check threaded fittings (2) for damage.

If damage is visible,

replace threaded fittings (2).

Install

8

Attach new O-ring to transmission housing ventilation (4).

Assembly tool

*000589936300

9

Attach transmission housing ventilation (4) to torque converter housing (5).

10

Attach new O-rings (3) to threaded fittings (2).

Assembly tool

*000589936300

11

Screw in threaded fittings (2).

Threaded fitting for oil line to torque converter housing

*BA27.10-N-1007-06EA

12

Position new seal (6) on torque converter housing (5).

13

Attach outer plate carrier B08 (1) to torque converter housing (5).

AR27.50-S-0617EA

Automatic transmission complete

Number

Designation

Transmission 725.0 in model 447, 448

BA27.10-N-1007-06EA

Threaded fitting for oil line to torque converter housing

Nm

40

Replace torque converter housing

000 589 93 63 00

Assembly tool

Referenced documents