Q: Is my alternator to psycaly big?

asked by on September 04, 2016

I replaced my serpentine belt tentioner and now the alternator I took off rubs up against new tentioner pulley. The foul tentioner pully arm was pushed out so I didn't notice until my belt was falling off. Is it possible that even if my alternator bolts in its too big(wide)? Or could it be something else? The new tentioner seems right, maybe the previous owner forced the alternator in there. Just needed some clarification before spending money on whole alternator. Thanks.

My car has 118000 miles.
My car has an automatic transmission.

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