We’re sorry to hear your car is having these uncomfortable rough shifts. But as unbelievable as this is going to sound … yes, your mechanic is actually correct!
Your car’s alternator is basically a small generator that helps pump electricity back into the battery as you drive. If the alternator fails, the battery isn’t getting recharged quickly enough (or, in some cases, at all).
Your car’s automatic transmission uses a computer to help the transmission shift between gears. The car’s battery getting too low has the same effect on the car’s computer as your brain not getting enough oxygen—some miscalculations are going to happen.
The end result here will be rough shifting, the engine stalling out, or the engine downshifting early and rocketing the car forward faster than you expect. The car might just feel jerky when it shifts, too.
If you’ve taken your car to a professional, certified mechanic and they’ve identified the alternator as the culprit for your transmission woes, we’re prone to trust their expert assessment. They should have diagnosed the issue carefully and cleared the usual suspects from the list before concluding it was the alternator, and then tested the alternator to verify the problem.
It sounds crazy that your car’s alternator can cause transmission problems. But here’s something even nuttier than that: a single simple-to-use app can save you hundreds or even thousands of dollars per year on car, home, and renter’s insurance. Yes, really!
We’re talking of course about the car insurance
super app Jerry
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