serpentine tensioner bearing

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Jul 9, 2014 | 03:20 AM

raggedyman

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Joined: Jun 2014

Posts: 9

serpentine tensioner bearing

How would you know or detect if a serpentine tensioner bearing is due for replacement?
does it produce a distinct sound in the engine bay? is there a rough idling?

Last edited by raggedyman; Jul 9, 2014 at 03:23 AM.

Jul 9, 2014 | 10:05 AM

toyomoho

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Joined: Jan 2008

Posts: 15,178

From: PTW

What year and engine type, V6 or 4-cylinder?

Use a section of hose as a stethoscope and listen to front of timing belt cover. Could be a grinding noise, rattle, roar.