Drain transmission oil from torque converter and transmission

AR27.00-S-0200-01PS

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 470, 471 with engine 642

 Torque converter

Number

Designation

Transmission 722.9

BA27.20-N-1001-01B

Drain screw to torque converter

M8

Nm

10

M10

Nm

15

1

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

2

Remove drain screw (4) and drain transmission oil from torque converter (5).

3

Screw in drain screw (4) with new sealing ring.   .

4

Remove drain screw (2) and drain transmission oil from oil pan (1).

5

Release overflow pipe (7) with  drift (6) in oil pan (1) 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.

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

6

Check transmission oil.

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