Hey thanks, Hugh. We just got through putting the diff and whole back end back
in when my brain cloud cleared and the thought of putting in the drain plug came
to me. Duh! I really don't want to pull the diff back out. Gr-r-r-r-r! Since
it's up on the lift already maybe I could just proceed with the diff in place,
drilling then tapping carefully, then, after tapping it, flush it through the
fill hole with gear lube to clear any shavings.
Lazy, yes! Crazy?
Dave
CF25194UO
Hugh Barber wrote:
> >I considered the idea of tapping the differential case for a drain plug.
> Anyone have thoughts on the matter?
>
> Dave,
>
> I drilled and tapped my diff housing for a drain plug about 5 years ago. If
> you look at the bottom of the diff, there is a round "flat" area that is the
> perfect place to install the plug. I used a 3/8-18 NPT tap and drain plug.
> If you are not sure where the round flat is, look at page 204 of TRF's TR6
> Spare Parts Catalogue #1 - they show a drain plug that they "fit to all
> rebuilt units". The area to drill/tap is directly above where the drain
> plug is shown. I have heard that it is possible to drill the hole with the
> diff in place (and full of oil), but I did it with the diff out of the car
> and the back cover off, so I could account for all the shavings.
>
> Hope this helps,
>
> Hugh Barber
> Hollister, CA
> '73 TR6
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