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.
Fastener Tightening Specifications
| Component | Fastener Size | Nm |
|---|---|---|
| Bolts and Nuts | ||
| M6 | 10 | |
| M7 | 15 | |
| M8 | 25 | |
| M10 | 40 | |
| M12 | 60 | |
A - 20 Nm + 90° (1/4) additional turn 1
B - 40 Nm + 90° (1/4) additional turn 1
C - 60 Nm + 90° (1/4) additional turn 1
1 - 40 Nm + 90° (1/4) additional turn 1
2 - 60 Nm + 90° (1/4) additional turn 1
A - M10 bolt, strength category 8.8 = 40 Nm + 90° (1/4) additional turn 1
A - M10 bolt, strength category 10.9 = 50 Nm + 90° (1/4) additional turn 1
A - M12 bolt = 60 Nm + 90° (1/4) additional turn 1
B - 100 Nm + 90° (1/4) additional turn 1
- 1 Always replace
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.
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