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 37 VALVETRONIC
| Bearing cap to cylinder head | |
|---|---|
| M6x27 | 8.5 Nm |
N55 ENGINE (2016-2018):
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Slide block to cylinder head. | N55 | M6x23 | 10 Nm | |
| 2AZ Torsion spring (throttle return spring) to cylinder head. | N55 | M6x20 | 10 Nm | |
| 3AZ Electrical servomotor to cylinder head. | N55 | M6x16 | 10 Nm | |
| 4AZ Oil spray nozzle to guide block. | N55 | M6x30 | 10 Nm | |
| 5AZ Stop screw of eccentric shaft to cylinder head. | N55 | M6 | 10 Nm | |
| 6AZ Valvetronic sensor to holder. | N55 | M6x20 | 8 Nm | |
| 7AZ Holder for valvetronic sensor. | N55 | M6x20 | 8 Nm |
S55 ENGINE (2019-2022):
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Slide block to cylinder head. | S55 | M6x23 | 10 Nm | |
| 2AZ Torsion spring (throttle return spring) to cylinder head. | S55 | M6x20 | 10 Nm | |
| 3AZ Electrical servomotor to cylinder head. | S55 | M6x16 | 10 Nm | |
| 4AZ Oil spray nozzle to gate. | S55 | M6x30 | 10 Nm | |
| 5AZ Stop screw of eccentric shaft to cylinder head. | S55 | M6 | 10 Nm |
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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