2018 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE

Engine Compartment (Back View)

GNSJSBIA9754GB-754Courtesy of NISSAN NORTH AMERICA, INC.

No.

Component

Function

SYMBOL

Engine coolant temperature sensor

Engine Coolant Temperature SensorΒ 

SYMBOL

Knock sensor 2

Knock SensorΒ 

SYMBOL

Crankshaft position sensor

Crankshaft Position SensorΒ 

SYMBOL

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.

SYMBOL

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).

SYMBOL

Knock sensor 1

Knock SensorΒ 

SYMBOL

Coolant thermostat heater element

Coolant Thermostat Heater ElementΒ 

Factory Service Tools

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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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