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Discussion Starter · #1 ·
Hi All,

I have a '16 Fiesta SE that needed a timing belt due to the crankshaft pulley side wall coming off, then the belt eating into covers, and eventually jumping a tooth. I replaced the crank pulley and was manually rotating the engine, and noticed the timing belt is tracking to the passenger side of the engine bay.

During the replacement, I replaced both the crankshaft pulley and the tensioner pulley. I measured the depth of peaks/valleys of the camshaft pulleys and they seem accurate within a thousands of an inch (using harbor freight calipers). That being said, the wear looks weird on the camshaft (see the attached photo) but the measurements so seem to align.

So what do I need to check to see why its tracking?

Note: the photo is with the new belt, and was only hand-rotated.

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Discussion Starter · #3 ·
Well, that's precisely my concern. It is rubbing. If you look in the photo, there's a reddish/copper looking color on the side of the belt. That's from the belt rubbing.

I can also look directly at the crank pulley and see that the timing belt is off to one side
 
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