Thread size/pitch on Toyota 7MGE oil pressure sender?

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Old 11 Mar 2013, 05:17 pm   #1 (permalink)
Doc
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Default Thread size/pitch on Toyota 7MGE oil pressure sender?

On the metric sizer it seems to best fit an M10 x 1 thread however
it's tapered. Can anyone identify what size it is?

Thanks
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Old 11 Mar 2013, 07:00 pm   #2 (permalink)
Geoff Welsh
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Default Re: Thread size/pitch on Toyota 7MGE oil pressure sender?

Doc wrote:
> On the metric sizer it seems to best fit an M10 x 1 thread however
> it's tapered. Can anyone identify what size it is?
>
> Thanks

Tapered threads are referred to as NPT, and are NOT regular SAE or
Metric sizes. Sorry I don't know which NPT size that sender is
off-hand, just do NOT try a regular die on it. You be better off with a
thread file.

GW
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Old 11 Mar 2013, 08:08 pm   #3 (permalink)
Tegger
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Default Re: Thread size/pitch on Toyota 7MGE oil pressure sender?

Geoff Welsh <GeeDubya@some.rr.com> wrote in news:khlr4q$j3o$1@dont-
email.me:

> Doc wrote:
>> On the metric sizer it seems to best fit an M10 x 1 thread however
>> it's tapered. Can anyone identify what size it is?
>>
>> Thanks

> Tapered threads are referred to as NPT, and are NOT regular SAE or
> Metric sizes. Sorry I don't know which NPT size that sender is
> off-hand,





Sometimes they're British pipe threads, not NPT.

http://en.wikipedia.org/wiki/British_Standard_Pipe





--
Tegger
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Old 12 Mar 2013, 08:28 am   #4 (permalink)
Scott Dorsey
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Default Re: Thread size/pitch on Toyota 7MGE oil pressure sender?

Tegger <invalid@example.com> wrote:
>Geoff Welsh <GeeDubya@some.rr.com> wrote in news:khlr4q$j3o$1@dont-
>email.me:
>
>> Doc wrote:
>>> On the metric sizer it seems to best fit an M10 x 1 thread however
>>> it's tapered. Can anyone identify what size it is?
>>>
>>> Thanks

>> Tapered threads are referred to as NPT, and are NOT regular SAE or
>> Metric sizes. Sorry I don't know which NPT size that sender is
>> off-hand,

>
>Sometimes they're British pipe threads, not NPT.
>
>http://en.wikipedia.org/wiki/British_Standard_Pipe


There's also a metric taper standard, which is almost certainly what
he's dealing with.
--scott


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"C'est un Nagra. C'est suisse, et tres, tres precis."
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Old 12 Mar 2013, 06:46 pm   #5 (permalink)
Jeff Strickland
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Default Re: Thread size/pitch on Toyota 7MGE oil pressure sender?


"Doc" <docsavage20@yahoo.com> wrote in message
news:2a1d5d94-cde3-490b-84f8-ffefdc24d28e@l9g2000yqp.googlegroups.com...
> On the metric sizer it seems to best fit an M10 x 1 thread however
> it's tapered. Can anyone identify what size it is?
>
> Thanks



I _believe_ that oil pressure sending unit threads are a standard. If I am
correct, then you cannot go wrong. Don't you need another sending unit? If
yes, then you don't care what the thread count/pitch is, because the next
sending unit will by definition be the right part to fill the hole.

Take your sending unit to the parts store and tell the guy you need another
one.

If you are wanting to change from an electric sending unit to a mechanical
one, then you will still need the old sending unit to know what fittings you
will need for the mechanical oil pressure sending unit. You can have both
the electric sending unit and the associated idiot light, and have a
mechanical sending unit. All you need to do is find an oil port near the oil
filter, and screw a mechanical sending unit in there.

Your issue, the oil pressure light comes on at idle, is not an alarming
problem. That is, it is not fatal. Engines have been known to go for years
and many tens of thousands of miles with this condition. You might resolve
this issue with heavier oil, perhaps a 20w50 will do the trick. (This
solution might not work very well in cold climates, but it would be very
good in a climate like Phoenix or San Diego.)

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Old 13 Mar 2013, 11:21 pm   #6 (permalink)
Hachiroku ハチロク
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Default Re: Thread size/pitch on Toyota 7MGE oil pressure sender?

On Mon, 11 Mar 2013 15:17:35 -0700, Doc wrote:

> On the metric sizer it seems to best fit an M10 x 1 thread however it's
> tapered. Can anyone identify what size it is?
>
> Thanks


Here's another resource for you:

http://www.turboninjas.com/mk3supra/

All in PDFs.
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