Detach/Attach Torque Converter Of Clutch Plate - AR27.20-P-0001-01EWM

TRANSMISSION 725.0

TORQUE CONVERTER

Number	Designation				Transmission 725.0
BA27.20-P-1001-01D	Bolt, torque converter to drive plate/star-shaped drive plates	Angled threaded connection	Stage 1	Nm	3
			Stage 2	Nm	30
			Stage 3	∠°	90

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Remove

Unscrew screws/bolts (1 to 4) opposite direction of engine rotation (arrow) through opening in housing.
Transmission 725.0 with engine 274, 276, 278, 642, 651 Turn the engine further in the direction of engine rotation at the crankshaft center bolt using socket.

Transmission 725.0 with engine 176, 177 Turn engine further in direction of engine rotation at center bolt of crankshaft using box wrench.

Transmission 725.0 with engine 256, 654, 656 Turn engine further in direction of engine rotation at vibration damper of crankshaft using counterholder.

Fig 1: Torque Converter To Drive Plate Tightening Sequence - Transmission 725.0
Courtesy of MERCEDES-BENZ USA

If center bolt or vibration damper is not accessible.

↓

Turn the engine further at the torque converter using a wide screwdriver.
Pry torque converter off drive plate using long wedge.
Check
Check threaded inserts in drive plate for loose fitting and damage; replace drive plate if necessary.
Install
Check whether torque converter is lying flat against drive plate.
If necessary, press torque converter onto drive plate using long wedge.
Tighten screws/bolts (1 to 4) in numerical sequence .
Replace the screws/bolts (1 to 4).