Good question. If the hard shifting is caused by varnish in your transmission system, Sea Foam Trans Tune will help clean it up and smooth out the shifting. Just add a can of Trans Tune to the transmission fluid (as long as the system isn’t overfilled, you can just add a full 16 oz can without draining any transmission fluid beforehand).
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Good question. If the hard shifting is caused by varnish in your transmission system, Sea Foam Trans Tune will help clean it up and smooth out the shifting. Just add a can of Trans Tune to the transmission fluid (as long as the system isn’t overfilled, you can just add a full 16 oz can without draining any transmission fluid beforehand).