My car shakes really hard from 1 to 2. Not too sure of what the problem is. But i'm thinking of flushing the tranny fluid out to see if it'll make things better. Anyone know how many times to drain the fluid? And how long to drive in between the flushings? I have a hookup at Honda for parts and would like to know how much fluid it needs

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I own a 2001 Honda Civic EX auto btw :exnbp: