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post #21 of 22 (permalink) Old 10-04-2016, 11:37 PM Thread Starter
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Join Date: Jan 2016
Posts: 177
Originally Posted by jeepfan4x4 View Post
How many miles are on your Cherokee. I had the issue with my old Patriot at 90k. Alternators have a freewheel mechanism that allows it to continue spinning faster when your RPMs drop, which is great to keep it from wasting potential energy from the momentum, but that is also the cause of premature failure on them as well.

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My TH has 8000 on it I bought it in Feb. of this year. I am guessing that it was an effective part.
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post #22 of 22 (permalink) Old 10-04-2016, 11:42 PM Thread Starter
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Originally Posted by Eugene the Jeep View Post
Would have guessed a vacuum/hose
The dealer couldn't even figure it out. I drop off the car on Sat. and they barely figured out today..
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