Which one is the differential drain plug?

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Old 12 Mar 2006, 03:23 pm   #1 (permalink)
aiuser
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Default Which one is the differential drain plug?

I've a Haynes manual for my 2000 V6. It provides a general location
where the differential drain plug is. But there are 3 bolts in that
vicinity. Two side by side at the bottom of the differential (may be
just regular bolts). One on top of those two and closer to the refill
plug. Is this the drain plug? Any suggestion to find it is
appreciated. Thanks.

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Old 13 Mar 2006, 12:02 am   #2 (permalink)
johngdole@hotmail.com
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Default Re: Which one is the differential drain plug?

you're right. Don't unscrew the differential bolts.

The differential drain should be a 10mm hex plug facing the rear of the
car, like the one on the ATF pan. I thought they've done away with the
fill plug -- you fill through the ATF fill tube.

aiuser wrote:
> I've a Haynes manual for my 2000 V6. It provides a general location
> where the differential drain plug is. But there are 3 bolts in that
> vicinity. Two side by side at the bottom of the differential (may be
> just regular bolts). One on top of those two and closer to the refill
> plug. Is this the drain plug? Any suggestion to find it is
> appreciated. Thanks.


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Old 13 Mar 2006, 05:09 pm   #3 (permalink)
onehappymadman@yahoo.com
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Default Re: Which one is the differential drain plug?


johngdole@hotmail.com wrote:
> you're right. Don't unscrew the differential bolts.
>
> The differential drain should be a 10mm hex plug facing the rear of the
> car, like the one on the ATF pan. I thought they've done away with the
> fill plug -- you fill through the ATF fill tube.
>
> aiuser wrote:
> > I've a Haynes manual for my 2000 V6. It provides a general location
> > where the differential drain plug is. But there are 3 bolts in that
> > vicinity. Two side by side at the bottom of the differential (may be
> > just regular bolts). One on top of those two and closer to the refill
> > plug. Is this the drain plug? Any suggestion to find it is
> > appreciated. Thanks.



Does the V6 share liquid with the tranny? I thought only the
4-cylinders had separate diffs/tranny drain plugs... I could be wrong
though.

Why would Toyota design with a separate reservoir for tranny and diffs,
anyway? And why would they have the fill plug WAY in the BACK of the
differential? At least put it somewhere it could be accessible... like
near the tranny fill hole... geez...

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Old 13 Mar 2006, 10:18 pm   #4 (permalink)
aiuser
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Default Re: Which one is the differential drain plug?

I notice a hex bolt at the location where the Haynes manual indicate is
a filler plug, so I assume this is a filler plug.

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Old 13 Mar 2006, 10:22 pm   #5 (permalink)
aiuser
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Default Re: Which one is the differential drain plug?

According to my Haynes manual, only the 1999 and later Lexus ES300
transaxles don't have a separate differential housing.

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Old 18 Mar 2006, 07:22 pm   #6 (permalink)
johngdole@hotmail.com
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Default Re: Which one is the differential drain plug?

I don't know why Toyota design them to be separate. Maybe because
Toyota transmissions are very dirty (metal shavings) and they don't
want it to affect the differential. Especially when the differential
seal can fail and the fluid will drain into the ATF area leaving you a
dry differential!

The V6 should have a separate drain for the diff (the 10mm hex allen
plug), but shares the same fill through the dip stick tube.

The I4 has separate differential fill/drain plugs (one is hex drain,
and the other is regular 17mm? plug).

Replace the strainer if you remove the pan (like with a Fram filter
kit). And notice the black powder coating on all the parts will stay
for a longer period of time.

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