Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
11 14 005 Replacing Front Crankshaft Radial Seal (N54)
Special tools required:
- 11 4 370
- 11 9 221
- 11 9 222
- 11 9 223
- 11 9 224
- 11 9 231
- 11 9 232
- 11 9 233
Necessary preliminary tasks:
- Remove vibration damper. (See 11 23 010 REMOVING AND INSTALLING OR REPLACING VIBRATION DAMPER (N54) )
If the central bolt is released, the sprocket wheels of the timing chain and the oil pump will no longer be non-positively connected to the crankshaft. The camshafts to the crankshaft can warp (risk of damage) .
The timing must be adjusted again. (See 11 31 505 ADJUSTING CAMSHAFT TIMING (N54) )
Turn back special tool 11 9 222.
Push special tool 11 9 221 onto crankshaft.
Insert screws (special tool 11 9 224) and tighten down to approx. 20 Nm.
Insert screws (special tool 11 9 223) and screw in until they make contact without play.
NO RELATED
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.