Drain transmission oil from torque converter and transmission

AR27.00-D-0200-01B

Drain transmission oil from torque converter and transmission

 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

Transmission

722.9 in model 906

Modification notes

31.08.2018

Socket wrench socket 001 589 65 09 00 added

Operation step 1

31.08.2018

Work procedure revised

Operation steps 1 to 6

 Complete automatic transmission

Number

Designation

Transmission 722.9

BA27.10-N-1005-04B

Drain screw on oil pan

Nm

22

 Torque converter

Number

Designation

Transmission 722.9

BA27.20-N-1001-01F

Oil drain bolt to torque converter

M8

Nm

10

M10

Nm

15

1

Turn engine at crankshaft until drain screw (4) on torque converter (5) is accessible through opening on transmission (3).

 Transmission 722.9 in model 906 with engine 642
 Use socket wrench socket 001 589 65 09 00 to crank the engine.

 Transmission 722.9 in model 906 with engine 651
Use  counterholder 651 589 00 40 00 or  counterholder 651 589 08 40 00 to crank the engine.

2

Remove drain screw (4) using  ratchet-ring wrench and drain transmission oil from torque converter (5).

 Commercially available devices/tools
Collection bowl

3

Screw in drain screw (4)   .

 Replace seal.

4

Remove drain screw (2) and drain transmission oil.

 Commercially available devices/tools
Collection bowl

5

Release overflow pipe (7) on oil pan (1) using  drift (6) and drain transmission oil from oil pan (1).

 After releasing the overflow pipe (7), the oil pan (1) must always be removed and the overflow pipe (7) mounted back onto the oil pan (1) again.
Otherwise the transmission may be damaged.

 Collect transmission oil. Transmission oil escapes immediately after releasing the overflow pipe (7).

 Commercially available devices/tools
Collection bowl

6

Check transmission oil.

If transmission oil is burnt or if it contains wear debris,



Flush torque converter (5), oil lines and oil cooler of transmission (3).

7

Screw in drain screw (2)   .

 Replace seal.