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.
2004 Hyundai XG350 BaseFACTORY OEM SERVICE PROCEDURE
Engine Coolant Temperature (ECT) Sensor: Installation
- Apply sealant LOCTITE 962T or the equivalent to the threaded portion.
- Install the engine coolant temperature sensor and tighten it to the specified torque.
Tightening torque
Engine coolant temperature sensor:
20~40 Nm (200~400 kg.cm, 14~29 lb.ft)
- Securely connect the harness connector.
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.