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Replace rear crankshaft radial sealing ring - AR03.20-P-3063CMG

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ENGINE 156 in MODEL 204, 212 

Fig 1: Rear Crankshaft Radial Seal
G09974100Courtesy of MERCEDES-BENZ USA
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove transmission MODEL 204 AR27.10-P-0500CV
MODEL 212 AR27.10-P-0500EV
2 Mark the front side of the washer (5) INSTALLATION NOTES
The washer (5) must be mounted again in the same position.
The torque will be falsified otherwise by the ridges caused by the screw/bolts.
 
3 Remove driven plate (2)   AR03.30-P-8001CMG
4 Remove crankshaft radial sealing ring (1) using a suitable tool   AR03.20-P-3063-01AMG 
IMPORTANT Do not damage sealing surfaces of crankshaft radial sealing ring (1) on cylinder crankcase and on crankshaft (3).  
SPECIAL TOOL Installation tool Figure
INSPECT Check     
5 Check threaded unions in driven plate (2) If threaded unions are damaged or loose:
↓
The driven plate (2) must be replaced.
 
6 Check cylinder pin (6) for damage    
7 Install in the reverse order    
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
8 Perform an engine test run and check engine for leaktightness
Fig 2: Identifying Installation Tool (111 589 08 43 00)
G09974101Courtesy of MERCEDES-BENZ USA