Michael Pardee wrote:

>
> Mainly it applies if the drain and refill hasn't been done regularly, so the
> fluid is nasty. If done on schedule (in the owner's manual, IIRC) it only
> needs one incremental drain/fill per interval.
>
> Mike
>
>

My '03 owners manual specifically calls for the multiple drain/fill
routine at the specified service intervals. This is because draining
only gets less than 1/3 of the fluid out in a single drain. Much is
trapped in the torque converter and cooling circuit.

John