Knocking Sound from Engine Bay at idle after warm-up, 2025 GX 550 Overtrail (1 Viewer)

NCGX

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Dec 22, 2025
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Hi All, we just bought a 2025 GX 550 Overtrail a few weeks ago and have noticed a knocking sound at idle coming from the engine bay after the engine has reached normal operating temp (I.e. after 10 min of driving or so). The sound is very noticeable from the cabin, especially when stopped at a stop light. The vehicle only has 800 miles. Has anyone experienced this sound? Please listen to the attached file.

Thank you!
 

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