Quote:
Originally Posted by Best4x4xFAR
Is that the 4 or 5 speed Auto Box? Is one known to go longer than the other? Approaching 200,000 miles myself and wondering whether to catch-up on overdue leaks/maintenance, or drop it and move on.
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It is the General Motors 5L40E 5-speed automatic in my 2002 E53.
If you're not having any shifting issues, I wouldn't change the fluid at this point. If you just have pan leaks, then I'd carefully drain and capture the old fluid, replace the filter and appropriate gaskets and O-rings, strain the old fluid and put it back in the transmission. Then just top it off with the correct new fluid.