I’m looking for some advice, my 2014 flex SEL fwd just has honestly clunky shifts sometimes and it’s driving me crazy. Sometimes it’s perfectly smooth and fine, sometimes it’s clunky, sometimes it shifts a little hard and sometimes it stumbles to find a gear after letting off the gas. Even when I bought it at 97k miles it didn’t feel perfect. I got the transmission fluid flushed at 100k. I am tough on it and I do tow with it. I’m getting closer to 150k miles and I’m wondering if I should get it flushed again, leave it alone and add a quart of that Lucas transmission fluid “saver”, or flush and substitute a quart with the saver. I don’t feel like dropping it off at a mechanic for weeks on end but that’s always a possibility.
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