Quote:
Originally Posted by physics
My 2019 6MT sport with 3700 miles on it that has had a notchy 1st to 2nd shift since it was new, with the 2nd to 3rd shift a little notchy at times. I thought that it would smooth out as the transmission broke in but it has actually gotten worse. I'm now babying the tranny and double-clutching the 1-2 and 2-3 shifts to reduce further damage. My suspicion has always been that the synchros weren't working properly, but I'm no transmission expert. I have driven manual transmission cars ranging from mid-60s British sports cars, to a Porsche and numerous domestic cars over the last 45 years without a problem. I even had a couple of 5-speed Fords that had over 200,00 miles on them in which I had no problems with the transmissions, so I don't know.
I guess the first step will be to take it to the dealer to have them evaluate it. Knowing how these businesses operate, I'm anticipating having to fight with them to get them to acknowledge there is a real problem. Has anybody here had to go through the legal process to get Nissan or its dealers to do the right thing in cases like this?
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You need to keep in mind that these trannies were designed for fast shifting at high rpms. You will get very notchy shifting especially 1-2 shifts when going slow and shifting at low rpms. In those instances, you need to slow down your shifting along with your speed.
My tranny in my ‘16 Nismo has been like this from new. I’ll bet that if they change out your tranny, the replacement won’t be much better.
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