Quote:
Originally Posted by exE36M3
Curious. Before the failure... Did you get any funny burning rubber smells? I'm still all stock but see black belt powder around the motor. The smell only happens on hard drives.
Thinking there was a batch of pulleys...
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Not that I've noticed. The indication I got what an irregular sound immediately after my hard down-shift to 3rd from ~60mph and the battery light that came on shortly after that when the alternator stopped charging the battery with the accessory belt coming off. I replaced the bad idler pulley with a new one (along with a new OEM belt) and have been driving on it for a few weeks now without any further issues. I did have to file down a burr that was caused by the bad idler pulley making a groove on the block after it failed -- without it doing so the new idler couldn't spin freely. Hopefully it didn't screw up any tight tolerances from the factory (I doubt it since I barely filed down anything).