It's a big problem with almost any modern car with an automatic transmission (one of the reasons I avoid them like the plague). Pick a brand...there'll be stories! As they've been asked to handle more torque over the years, they're rarely cooled adequately, and pressure on service schedules has seen routine fluid changes dropped.
I saw a fantastic quote the other week...something along the lines of "It is fair to say that 'sealed for life' transmissions do not need the fluid changing in the lifespan of the gearbox, but the missing detail is that the lifespan of the gearbox will have been artificially shortened because the fluid hasn't been changed...!"
cheers
James
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