Why will my A/C/Alternator/Idler belt not fit back on?


Asked by Sep 13, 2016 at 09:43 PM about the 1999 Plymouth Breeze 4 Dr STD Sedan

Question type: Maintenance & Repair

I replaced my alternator and purchased a new belt. The belt is the correct belt for the vehicle. My vehicle doesn't have a idler tensioner, just an idler. I have routed the belt on the pulleys correctly and I am unable to get the belt on with the alternator tensioner adjustment at full retarded position. Doesn't seem to be any adjustment possible if I was able to get the belt on. Seems way to tight. Any ideas and answers would be appreciated. Thank you.

3 Answers


If the belt is the same lenghth and ur routing it correctly, they gave u a bigger diameter pulley on the alternator, go back and ask to see ur old alternator and compare pulleys

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Best Answer Mark helpful

Thanks for the suggestion.. I did think of that and asked the supplier if the pulley was bigger because it was a reman. They said, "No". I have fought with this belt and tried another with no luck. I think I am going to purchase a belt an inch bigger because I will have lots of room for adjustment judging by how tight the 54 inch belt is. Thanks for the answer. I assume the parts dealer just blew me off when I asked that question. I will post an update when I get the bigger belt.


Well I picked up the 55 inch belt. Put it all back together and the bigger belt fit. So, I have to agree with you Irodri911, the pulley must have been bigger than the original. Thanks for your answer. Problem solved!!

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