Front Crankshaft Seal: Service and Repair
Replacing front crankshaft radial sealPreceding work:
- Belt pulley, vibration damper and hub removed.
- Check contact surface of hub (294) (step 1).
- Remove radial seal (295) (step 2).
- Clean mounting hole, deburr.
- Oil sealing lip of radial seal (295) (step 4).
- Install radial seal (295) with insertion sleeve 601 58903 14 00 (steps 5 to 7).
- Run engine, check for leaks.
Special Tools:
Replacing
1 Check contact surface of hub of belt pulley/vibration damper; if contact surface has grooves, use repair size radial seal with a sealing lip positioned to the inside.
2 Press out radial seal (295) with a screwdriver.
Caution! Do not damage crankshaft and mounting hole for radial seal; use clean rag as base.
3 Deburr edge of mounting hole for radial seal.
4 Oil sealing lip of radial seal (295).
Caution! Do not use grease! Grease prevents the sealing lip of the radial seal transporting back the engine oil.
5 Fit radial seal (295) onto the insertion sleeve (1) 601 589 03 14 00.
6 Push on insertion sleeve (1) 50 that the groove in the insertion sleeve (1) is aligned with the Woodruff key (2).
7 Pull in insertion sleeve (1) as far as the stop with bolt (9) and 3 dished washers (8).
Note: The radial seal must be positioned at right angles to the crankshaft journal otherwise proper sealing is not assured.
8 Install belt pulley/vibration damper.
9 Run engine, check for leaks.