I find it hard to wrap my brain around a never change fluid, on any car, much less one that’s intended to be brutalized.Replaced my transmission and PTU fluid (I just hit 31K miles). Used a little ghetto hack when draining the transmission fluid to keep it from getting all over the place (worked perfectly):
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PTU fluid looked like thick, disgusting chocolate milk. I'm surprised there is no official service interval for it. If this is what the PTU fluid looked like, I'm scared to see what the RDU fluid looks like... I'm just waiting on the friction modifier to arrive, which should be here by tomorrow. So I'll be replacing it sometime this week.