Remove/Install Vibration Damper - AR03.30-P-1800MSA

Engine 256.9 in model 213, 238, 257, 290 

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove fan unit.		AR20.40-P-5050MSA
2	Mount protective plate on cooler.
			WF58.50-P-0110-04A
3	Remove  screws/bolts (2).
Topical note	Notes on threaded connections fastened using a tightening angle-based tightening process	To remove screws (2), reposition counterholder. Replace screws (2).	AH00.00-P-0020-01A
		Bolt, vibration damper to crankshaft	*BA03.30-P-1001-01MR  T
		Counterholder	Fig 1
4	Remove the vibration damper (i).	Detach the vibration damper (1) from crankshaft without using any aids. The vibration damper (1) will otherwise be damaged. The vibration damper (1) must not come into contact with engine oil or coolant. The vibration damper (1) will otherwise be damaged. Ensure pilot bushing.
5	Install in the reverse order.

VIBRATION DAMPER

Number	Designation			Engine 256.9
BA03.30-P-1001-01MRT	Bolt, vibration damper to crankshaft	Stage 1	Nm	50
		Stage 2	∠°	180

Fig 1: Identifying Counterholder (654 589 00 40 00)

Courtesy of MERCEDES-BENZ USA