Replace front crankshaft radial sealing ring - AR03.20-P-3000EWS

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ENGINES 272, 273 in MODEL 212

Fig 1: Front Crankshaft Radial Sealing Ring

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

17.1.12

Special tool changed 272 589 00 14 00 in 119 589 01 14 00

Operation step 6

	Remove/install
1	Turn key in ignition lock to position "0"
2	Remove front engine cover	See Remove air filter housing.	AR09.10-P-1150EWS
3	Remove poly-V belt		AR13.20-P-0001EWS
4	Install retaining lock for crankshaft/starter ring gear		AR03.30-P-5000EWS
5	Remove belt pulley/vibration damper (2)		AR03.30-P-1600EWS
6	Press out crankshaft radial sealing ring (5) from the mounting bore using a screwdriver	Do not damage crankshaft and mounting bore. Use a clean rag as a base when pushing out. Leakage can occur otherwise.
		Install front crankshaft radial sealing ring (5).	AR03.20-P-3000-01B
			Figure
	Checking
7	Check contact surface of crankshaft radial sealing ring (5) at hub of belt pulley/vibration damper (2)	Check for scoring and galling, and replace belt pulley/vibration damper (2) if necessary.
8	Install in the reverse order
9	Check engine oil level; correct 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	Carry out an engine test run and check engine for leaks		AS00.00-Z-0005-01A

Fig 2: Identifying Sleeve (119 589 01 14 00)

Courtesy of MERCEDES-BENZ USA