Three different parts produce the same symptom, and guessing between them is how people buy a battery they did not need. A proper test loads the battery, measures alternator output under demand, and checks the draw on the starter — twenty minutes that tells you which one it actually is.
Rochester winters are hard on batteries specifically: cold thickens the oil the starter has to turn while cutting the battery's available power, so a battery that was marginal in October is dead in January. If yours is over four years old and cranking slowly, that is the warning.
Describe what the car is doing — the noise, when it happens, what changed. Half the diagnosis is in the description.
What actually failed, what it costs to fix, and what happens if you wait — before any work starts, not after.
The repair gets done and you get told why it failed, so you know whether to expect it again on this car.
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★★★★★“I've been going to Marc for years now. He's always quick and fair. We have five cars from foreign luxury, American sport, motorcycle, to winter beaters and his knowledge base covers them all.”