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Car Jerks And Jump Into Into Drive ?


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I have this same problem, try this...start the car, and shift from Park to Reverse wait a second, and then to drive, in my car when I do this it doesnt jerk. I just replaced my transmission...thinking this would fix it and it didnt. I dont have a good answer, just wanted to know if it is the same problem.


P.S. It could be your motor mounts, or trans mount, I replaced mine but it didnt fix the problem. Try the shifting thing I mentioned up top, if yours still jerks when you go from P to R to D, then it is probably a bad mount.


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I heard that there is something related with this and a ground wire in the trunk. I read about this issue in some FAQ somewhere, possibly on this site; just search for ground, trunk wire, LS400, transmission, shifting, something of the sort. Also don't switch transmission fluids, I read the transmission is really finicky and doesn't like ANYTHING but the transmission fluid from toyota, weird stuff really.

Edit: This is what I was talking about:http://us.lexusownersclub.com/forums/index.php?showtopic=34244




There is more on it if you search around.

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