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

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ENGINES 642 in MODEL 207, 212, 218, 221

Shown on model 211 with engine 642

Fig 1: Replacing Front Crankshaft Radial Sealing Ring

Courtesy of MERCEDES-BENZ USA

	Removing
1	Remove belt pulley/vibration damper		AR03.30-P-1600SXI
2	Use a screwdriver to press out crankshaft radial seal (1)
	Install
3	Install front crankshaft radial seal (1)	In order achieve leaktightness of the new crankshaft radial sealing ring (1), it is essential not to damage the crankshaft and mounting hole for the crankshaft radial sealing ring (1). Use a clean cloth as a base.	AR03.20-P-3000-01SXI
3	Install front crankshaft radial seal (1)	Centering sleeve	Figure
4	Install belt pulley/vibration damper	In order to assure leaktightness of the new crankshaft radial sealing ring (1), check tread of hub for galling.	AR03.30-P-1600SXI
	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
5	Check for oil leaks with engine running		AS00.00-Z-0005-01A

Fig 2: Identifying Centering Sleeve (642 589 00 14 00)

Courtesy of MERCEDES-BENZ USA