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 23 Vibration Damper
1992 BMW 318isSECTION 11 23 Vibration Damper
TORQUE SPECIFICATIONS (VIBRATION DAMPER)
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 3AZ Belt pulley / vibration damper to hub | S38 / B36 | M8 10.9 | 34 Nm | |
| N40 / N42 / N45 / N46 / S38 / B38 | M8 10.9 | 34 Nm | ||
| All / others | M8 | 22 Nm | ||
| 4AZ Belt pulley to vibration damper | S38 / B35 | M8 8.8 | 22 Nm | |
| S50 | M8 8.8 | 22 Nm | ||
| 5AZ Sprocket with hub or hub to crankshaft | M40 | M16 x 1.5 | Replace screw | 310 Nm |
| M42 / M43 / M43TU / M44 | M16 x 1.5 | Replace screw | 330 Nm | |
| 6AZ Hub to crankshaft | N40 / N42 / N45 / N46 | M16 x 1.5 | Replace screw | 300 Nm |
RENDER: 1.0x
NO RELATED
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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.