IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Is250 weird grinding noise

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Old 06-03-24, 07:07 PM
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Shadowowen
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Default Is250 weird grinding noise

Hey, I am having a bad noise coming from my engine on my is at about 131k miles, its seems to be located somewhere around the belt but I am not sure, I do not know whats wrong can anyone help?

here is a link to a video of the noise.

https://youtube.com/shorts/lBbltf9UpvE?si=4izfG9YT_um4y8xZ
Old 06-05-24, 11:57 AM
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Protholl
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All I hear in the attached file is "beeeeeeep". Having said that the usual culprit there is the water pump which is a known failure point for the car. Search for "water pump noise is250" and see if it sounds like your car. If it is that be sure to use the OEM pump, replace the idler pulles (OEM) and the serpentine belt at the same time.

Last edited by Protholl; 06-05-24 at 12:00 PM.
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