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Idler Pulley Torque Spec

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Old Apr 29, 2015 | 11:00 AM
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2010 C300 4Matic Sport
Idler Pulley Torque Spec
Hello!

The grooved idler pulley (Part #: A 272 202 10 19) in my 2010 C300 started squeaking the other day and it looks like the bearing is shot so I am currently waiting for a new one to come in.

I was wondering if anyone with access to WIS might be able to tell me what the official torque spec is for the bolt so I don't under/over tighten it when I install the new one
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Old May 1, 2015 | 07:16 PM
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2010 C300 4Matic Sport
Bumping for the weekend crowd.
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Old May 14, 2015 | 03:56 PM
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2010 C300 4Matic Sport
Hi again!

I asked my local dealer today after I picked up the pulley and they told me it's 35 Nm which is 25.8 ft-lb.

Hopefully that's useful to someone else in the future
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Old May 14, 2015 | 04:25 PM
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2005 C230K(sold), Mk7 Jetta
Good info. I had to go by feel on mine, may need to re-check it sometime
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Old Nov 17, 2019 | 01:20 PM
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2015 C400 Tenorite Gray
If you don't torque all the pulleys, tensioner etc is there much risk?
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