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

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ENGINE 156 in MODEL 216, 221

Fig 1: Replacing Front Crankshaft Radial Sealing Ring

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of death caused by vehicle slipping or toppling off 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
	Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof.	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
1	Open engine hood
2	Remove left and right intake air duct
3	Remove front engine cover	Do not tilt front engine cover, but lift upwards vertically otherwise retaining lugs can break off.
4	Remove electric fan		AR20.40-P-5000SMG
5	Attach guard plate for radiator/condenser
	Guard plate for radiator/condenser		WF58.50-P-0110-01A
6	Remove poly-V belt		AR13.22-P-1202SMG
7	Remove belt pulley/vibration damper		AR03.30-P-1600SMG
8	Remove crankshaft radial sealing ring (4)	Do not damage crankshaft and mounting hole for crankshaft radial seal. Use a clean cloth as a base. Use a screwdriver to press out crankshaft radial sealing ring (4)
		install crankshaft radial sealing ring (4) with sleeve.	AR03.20-P-3000-01B
		Sleeve	Fig 2
9	Install in the reverse order
10	Check engine oil level and correct if required.	Vehicle must be horizontal and standing on its wheels. Measuring errors can occur if this requirement is not observed. Insert dipstick fully in dipstick guide tube and leave for at least 3 seconds.
	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
11	Conduct engine test run and check the engine for oil leaks	In the event of oil loss determine and eliminate cause, otherwise malfunctions, transmission damage, and serious environmental pollution may occur. Determine oil leakage after spraying the cleaned and dried surrounding area with MB contrast spray.
11	Conduct engine test run and check the engine for oil leaks	MB contrast spray	*BR00.45-Z-1001-03A

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

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1001-03A	MB contrast spray	000 989 03 59