Remove/install retaining lock for crankshaft/ring gear - AR03.30-P-5000EWS

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ENGINES 272, 273 in MODEL 212

Fig 1: Crankshaft/Ring Gear Retaining Lock

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

9.9.09

Remove starter - newly added

Step 2.1

	Installing, removing
	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
1	Remove bottom engine compartment paneling		AR61.20-P-1105EW
2.1	Remove starter	Vehicles with 4MATIC	AR15.30-P-7100EW
2.2	Unscrew nuts (1) and remove screw/bolts from transmission housing	Vehicles without 4MATIC
		Manual transmission	*BA26.10-P-1001-01C
		Automatic transmission	*BA27.40-P-1008-01A
3	Remove cover (2) from crankcase	Vehicles without 4MATIC
	Checking
4	Check toothing of starter ring gear on the two-mass flywheel or on the drive plate	Check toothing for wear and damage, by continuing to rotate engine at center bolt on crankshaft in direction of rotation of engine. If necessary: ↓
		Replace flywheel or drive plate.	AR03.30-P-8001EW
			Figure
	Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities	No parts of the body or limbs should be within the operating range of the mechanism when moving components.	AS00.00-Z-0009-01A
5	Insert retaining lock (01) into access opening	If required, rotate engine further at center bolt for crankshaft in engine's direction of rotation until the retaining lock (01) snaps into place.
			Figure
6	Remove in the reverse order

HOUSING

Number	Designation			Transmission 722.9
BA27.40-P-1008-01A	Screw/bolt, automatic transmission to engine	M10X40	Nm	38
		M10X90	Nm	38
		M12	Nm	-

COMPLETE MANUAL TRANSMISSION

Number	Designation		Transmission 716.6
BA26.10-P-1001-01C	Screw/bolt, transmission to engine	Nm	40

Fig 2: Identifying Wrench Socket (001 589 65 09 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Retaining Lock (112 589 03 40 00)

Courtesy of MERCEDES-BENZ USA