"Rich" > wrote in message
oups.com...
> I'd like to change the fluid in my '88 Ford F250
> 5 speed manual transmission.
> One parts clerk says to use regular 90 wt. gear
> oil, another says regular transmission fluid.
> Big difference...
> What is the correct stuff to use?
> TIA
> Rich
>
either pull the fill plug or loosen the drain plug enough to get a drip. As
mentioned, it should be obvious with just a drop. All of the 90wt stuff
I've ever seen has a distinct smell so the fill plug will give that clue.