So I found out I need a new alternator, it is only putting out about 11v when charging. The vehicle has nearly 170,000 miles on it so it is probably due for a change. My dilemma is I could do it my self, but should I buy an alternator from amazon , autozone, or have my mechanic do the work?
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I wasn't sure, I've used Autozone in years past for parts. And all the ones I saw on amazon were refurbs mostly anyway, and about 75 dollars more than Autozone. The replacement looks pretty straight foward cause it is right in front, maybe take an hour or so with even a few minutes of incidentals that go along with do it yourself auto repairs.
If you have the time, and if there's a reputable automobile electric rebuilder in your town, consider taking alternator into shop. I had a Denso alternator with 250K that shop replaced brushes and tested to ensure output for ~$15-20 while I waited (I did have to wait while tech finished up truck starter). Had expert opinion on bearings and didn't have to worry about wrong pulley, etc. YMMV.
Check out what's needed to remove the alternator, mine on a 2007 RX-350 required removal of the radiator and evacuation and refilling of the air conditioning freon. It books 2.5 hrs time and is a BIG job. Nobody on this forum could explain the job before I had it done! Good Luck