99 First change from 1st to 2nd in morning is slow
Is this normal behaviour: I start the car (99 LS400, 84K), and drive gently down a mild downhill road, and it goes up to around 2500RPM before doing that first change into second gear. Only does this the first time each day, when its cold I guess. Is something wrong? Otherwise everything else is perfect.
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My '99 does exactly the same thing. I've had other cars that do this as well but it's much more noticeable in the LS400. Based on other posts I've read it's related to the temp of the tranny fluid, designed to extend transmission life.
I did it 13 times in one day once, on a land rover which I had accidentally dunked in 4 feet of muddy water (which sucked in through the breather). It came out clean in the end. When I took it to aamco, they coulnd't do it with their flushy thing, something about a wrong size adapter.
that's the way some people do it, ie-doing that every oil change but then it ends up taking you like 2 years lol.
i'm a fan of the single time full fluid exchange using the cooler lines.
I'm part of the incremental 2 qt drain crowd. At my maintenance schedule this comes every 10K miles. If done on schedule, the incremental method is passable as the additive package isn't depleted. If one is driving the 30K miles on the fluid then do as PD mentions.