Remove/install belt pulley/vibration damper - AR03.30-P-1600GZS (ML63 AMG)

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ENGINE 156 in MODEL 164, 251

Fig 1: Identifying Belt Pulley/Vibration Damper, Center Bolt, Poly-V-Belt And Counterholder

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

MODIFICATION NOTES

22.3.06

Bolt, starter ring gear/drive plate to crankshaft

*BA03.30-P-1001-01Q

	Remove/install
	Risk of death caused by vehicle slipping or toppling off the lifting platform.	Align vehicle between columns of lifting platform and position four support plates at lifting platform support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
1	Remove front engine cover	Do not tilt front engine cover, but lift upwards vertically otherwise the retaining lugs can break off.
2	Remove electric fan		AR20.40-P-5000GZS
3	Remove poly V-belt (3)		AR13.22-P-1202GZS
4	Remove the center bolt (2)	Installation: The center bolt (2) should always be replaced. Installation: Make two markings on counterholder (4) to aid applying tightening angle. Use extension.
			*BA03.30-P-1001-01Q
		Torque wrench	Figure
		Counterholder	Figure
5	Detach belt pulley/vibration damper (1) from crankshaft	Installation: The groove on belt pulley/vibration damper (1) must engage in feather key of crankshaft.
	Checking
6	Check tread of crankshaft radial sealing ring at hub of belt pulley/vibration damper (1)	Check for scoring and galling; if necessary:↓ Replace belt pulley/vibration damper (1)
7	Replace front crankshaft radial sealing ring	Only when replacing belt pulley/vibration damper (1) or in the event of a leak at crankshaft radial sealing ring.	AR03.20-P-3000GZS
8	Install in the reverse order
9	Check engine oil level and replenish oil if necessary
	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
10	Conduct engine test run and check engine for leaks	In the event of oil loss determine and eliminate cause, otherwise malfunctions, transmission damage, and serious environmental pollution may occur.

FLYWHEEL, DRIVEN PLATE, VIBRATION DAMPER, STARTER RING GEAR

Number	Designation			Engine 156
BA03.30-P-1001-01Q	Vibration damper on crankshaft	Stage 1	Nm	250
			Stage 2	Releasing
		Stage 3	Nm	200
		Stage 4	∠°	180

Fig 2: Identifying Torque Wrench (000 589 10 99 01)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Counterholder (112 589 00 40 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.