Install Front Crankshaft Radial Seal - AR03.20-P-3000-01MR

ENGINE 274 

Fig 1: Identifying Drift (270 589 00 15 00)

Courtesy of MERCEDES-BENZ USA

1. Deburr edge of mounting hole for the radial shaft sealing ring (5) on timing case cover and clean mounting hole.

   Circumference and sealing lip of crankshaft radial shaft sealing ring (5) as well as the mating surface on the vibration damper/belt pulley must be free of oil and grease.

2. Place radial shaft sealing ring (5) on timing case cover and align at right angles to the timing case cover.
3. Indent radial shaft sealing ring (5) with drift flush in timing case cover.

   Press radial shaft sealing ring (5) with drift through tightening the center bolt (2) of the crankshaft in the timing case cover.

4. Check installation location of the radial shaft sealing ring (5) relative to the crankshaft journal (1).

   The radial shaft sealing ring (5) must stand at right angles to the crankshaft journal (1). Leaks can occur otherwise.

   Courtesy of MERCEDES-BENZ USA