Possibly the alternator, mine did that so I bought a brand new duralast gold alternator and it solved so many of my problems.
Pros: solved many problems
Reviews of Duralast alternator
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The refurbished Duralast alternator has worked fine for a few months but the last month I started to hear belt noise and assumed it was related to the alternator. The last couple of weeks I would smell a new unknown burnt smell that smoked like either rubber or electronics which has led me to wonder if the battery/alternator fuses have gone out.
Pros: worked fine for months
Cons: belt noise, burnt smell
I got a alternator from AutoZone( duralast pos) and a new battery , same thing, car started with new battery ,voltage at the battery was around 12.5 and voltage directly on the alternator was the same exact voltage as the battery which showed the alternator still wasn\u2019t charging I took that alternator out got my money back and went to a reputable alternator and starter shop around my area and got a quality rebuilt one. They tested the alternator before they gave it to me and confirmed it was in working order. I installed it and still the alternator is not charging the battery , i checked voltage directly at the new alternator and still got the same voltage as the battry while the engine was running , so its still not charging the battery or producing power
Pros: quality rebuilt alternator
Cons: alternator not charging
Vehicle:
Toyota
Believe it or not, though I installed a brand new alternator(Duralast gold) that turned out to be bad from the start and I had to replace it again(so I guess what I’m saying is check the tention on your belt, but don’t rule out the new alternator as - also - being bad), been 2 years since tho.
Cons: bad from the start
I purchased a Duralast 115A Alternator 14921 (remanufactured) which, once we moved the pulley and fan from old to new, it mounted up without a hitch. Once the battery was charged I connected everything up and she started right up. However, the voltmeter was hanging around 12V so we put a multimeter on the battery and only saw 12V+/-.
Pros: mounted up without a hitch
Cons: voltmeter hanging around 12V
Vehicle:
Porsche
Part number: 14921
Wouldn't recommend AutoZone based on my experience. Had a duralast gold fail on me and had to get a replacement one.
Cons: duralast gold fail
Made the mistake of buying the duralast, first one lasted a couple months, and the second one is dying, only charging the battery at highway speeds, just like the first one before it died.
Cons: died after a couple months
I’ve never had an issue with a Duralast starter or alternator. However, honestly, I probably wouldn’t put one on my Lexus. I’ve generally shoved them into cheaper and simpler cars.
Pros: no issues with Duralast
Cons: wouldn't put on Lexus
Vehicle:
Lexus IS
For hpw old your car is, and the price of these boys in the photo, id go to your local autozone and get their alternator, simply because they come with a lifetime warranty
Pros: lifetime warranty
Vehicle:
Acura TLX
We have a lady with an infinity that comes in once a year to get her duralast alternator replaced.
Cons: replaced once a year
Vehicle:
Infiniti
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