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.
2021 Genesis G90 3.3T Premium, AWDFACTORY OEM SERVICE PROCEDURE
Repair Procedures: Removal
- Turn the ignition switch OFF and disconnect the battery negative (-) cable.
- Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "Removal And Installation ")
- Remove the delivery pipe and injector.
(Refer to "DELIVERY PIPE ")
- Disconnect the connector (A), and then remove the CVVT oil temperature sensor (B).
NOTE:
- When removing and installing the oil temperature sensor, use a deep socket as shown in the figure below.
- 3/8" drive deep socket (24 mm) with the wall thin and the length less than 75 mm.
[Arrangement of tools for removing oil temperature sensor]
- 24 mm deep socket
- 1/2" to 3/8" drive socket adapter (only if using 1/2" drive deep socket)
- 3/8" universal joint
- 3/8" extension bar
- Socket wrench
[Installation order for tools]
- Insert a 24 mm (0.94 in.) deep socket (A) to the oil temperature sensor.
- After connecting other tools as arranged in the above image, insert the tools (A) to socket.
Factory Service Tools
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.