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 61 Intake System
N55 ENGINE (2016-2018):
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Air intake manifold to cylinder head. | N55 | M7 | Hexagon nut | 15 Nm |
| 2AZ Air intake manifold to cylinder head. | N55 | M7x50 | 15 Nm | |
| 3AZ Gaiter to charge air line | N55 | Hose clamp | 3 Nm |
S55 ENGINE (2019-2022):
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Air intake manifold to cylinder head. | S55 | M7 | Hexagon nut | 15 Nm |
| 2AZ Air intake manifold to cylinder head. | S55 | M7x50 | 15 Nm | |
| 3AZ Charging pressure pipe to exhaust turbocharger | S55 | M6 | Collar bolt | 10 Nm |
| 4AZ Hose clamp charging pressure pipe to charge air cooler | S55 | Oxygen sensor 5070 | 3 Nm |
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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