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Home >> Mercedes Benz >> 1995 >> C220 >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Crank Assembly - 140 Chassis) >> Repair & Adjustments >> Replacing rear crankshaft radial seal - RA03001043270X(03-3270)

Replacing rear crankshaft radial seal - RA03001043270X(03-3270)

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Preceding work:

Manual transmission : two-mass flywheel removed (03-4620) 

Automatic transmission: driven plate removed (03-4100) 

Operation no. of operation texts and work units or standard texts and flat rates:

03-3063

Fig 1: Identifying Radial Shaft Seal And Insertion Tool
G04677087Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Radial shaft seal (93) prise out with a screwdriver.
IMPORTANT
Do not damage crankshaft and mounting hole for radial shaft seal (93). Use clean cloth as base.
Bearing surface of crankshaft inspect.
NOTE: If bearing surface has grooves, use "repair version" radial shaft seal with sealing lip offset 3 mm to inside.
Edge of mounting hole for radial shaft seal (93) deburr.
Inner part of insertion tool (2) 601 589 03 43 00 bolt on to crankshaft.
Sealing lip of radial shaft seal (93) coat with engine oil.
IMPORTANT
Do not use grease. Grease prevents the return swirl on the sealing lip of the radial shaft seal (93) feeding back the engine oil.
Radial shaft seal (93) fit onto inner part of insertion tool (2) and press in with insertion tool (1) as far as stop.
Rear of engine check for leaks (01-2240) .

Special tool 

Fig 2: Identifying Special Tool (601 589 03 43 00)
G04677088Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
NOTE: An oil leak can be determined after spraying the cleaned and dried surrounding area with Mercedes-Benz white contrast spray 000 989 03 59.

The end cover is sealed to crankcase with sealant and centered with 2 dowel pins. In addition, it is bolted to the oil sump and sealed to the bottom by the oil sump gasket.


There must not be any scoring or unevenness in the sealing surface of the end cover and of the crankcase.

End cover with integrated radial shaft seal, see note (01-2220) .