It’s your alternator not the battery, the coding of the battery is important, but will only extend the life battery will not cause it to be dead in three days
Dealer quoted me $557 for my 15 f150 alternator the other day. Found the same motorcraft alternator for $325-ish (+a $75 core charge). A little less painful. I share them same feelings as a couple other posters. Been burned by enough cheap-o remans over the years to skimp on certain parts.
Depends on if you want the cheapest store brand they make or OEM quality Motorcraft. I’ve gone through enough cheap alternators in my life that I only mess with OEM anymore.
If you can get motorcraft, that is my recommendation.
My 19 c8 3.0 had the same exact issue within 4 months of buying it last year. And the car died on me mid fwy in dtla. Take it in to ur nearby dealer theres an open recall on the alternator i believe.
Might be a coincidence, but those lights all came on about a month before the Electical System: Malfunction light came on in my 2021 S6. They replaced my battery and alternator.
It went out at 40,000 miles and was replaced without issue by the dealer which provided an A6 as a loaner for the week it took to replace the alternator. I still love the car and would not move to Mercedes
I took the alternator apart as well, but it's quite worn and a new one does not cost a fortune, so it's not worth it to refurb it.
Audi really dropped the ball on building such a poor performing alternator!
It's a dice roll. I've had some success with them, but when I put a reman one in my Focus, it only lasted 2 weeks.
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