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.
2017 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE
Engine Compartment (Back View)
| No. | Component | Function |
|---|---|---|
| Engine coolant temperature sensor | ENGINE COOLANT TEMPERATURE SENSOR | |
| Knock sensor 2 | KNOCK SENSOR | |
| Crankshaft position sensor | CRANKSHAFT POSITION SENSOR | |
| Engine oil level switch | The oil level check switch is located on engine oil pan and detect the engine oil has been reached to minimum level. | |
| Engine oil pump valve | The engine oil pressure is regulated via the engine oil pump valve in order to ensure an adequate oil supply and to lower the oil pressure if necessary (a saving on fuel). | |
| Knock sensor 1 | KNOCK SENSOR | |
| Coolant thermostat heater element | COOLANT THERMOSTAT HEATER ELEMENT |
Factory Service Tools
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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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