TRNW-2: 10R80 pump bolts

Fri Feb 14 14:34:17 PST 2025

We have trouble twice were the bolts actually came loose. Now I buy ford
kits and they come with factory bolts, and not an issue since.

On Fri, Feb 14, 2025, 4:31 PM Randolph Wilson via trnw2 <trnw2 at trnw.net>
wrote:

> There are many reasons a manufacturer will call for new bolts.  Most
> common is because of a special coating on the bolts. The coating can be a
> sealer, a locking agent, or an anti-corrosion lubricant (think magnesium
> cases). They can also be torque to yield. The one thing about TTY is they
> will always be protractor torqued. Not all protractor torqued bolts are
> TTY, but TTY will always be protractor torqued.
>
>
>
> In this case Ford calls for replacing them because of the sealer.
>
>
>
>
>
> <http://www.transgo.com/>
>
> *Randy Wilson*
>
> *Technical Support Specialist*
>
> 2621 Merced Avenue El Monte, CA 91733 USA
> <https://www.google.com/maps/search/2621+Merced+Avenue+El+Monte,+CA+91733+USA?entry=gmail&source=g>
> Office: 626.443-7451
>
> *Calibration | Innovation |Performance*
>
> <https://www.facebook.com/TransGo-600961476956220> [image:
> 1475592640337_I] <https://www.instagram.com/transgoshiftkit> [image:
> 1475592655171_t] <https://twitter.com/transgoshiftkit> [image:
> 1475592664972_Y]
> <https://www.youtube.com/channel/UCg6v9MzFmq7g3fy7-r9PGIg> [image:
> 1475592672363_L] <https://www.linkedin.com/company/transgo1/>
>
>
>
>
>
> *From:* trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> *On Behalf Of *Dan
> Hogan via trnw2
> *Sent:* Friday, February 14, 2025 1:11 PM
> *To:* Technical Discussion Forum <trnw2 at trnw.net>
> *Subject:* Re: TRNW-2: 10R80 pump bolts
>
>
>
> Steve,
>
>
>
> These factory pump bolts appear to be TTY (torque to yield) and are one
> and done.  I suspect if you decided to re-use, using the factory torque
> spec likely will be too low as the bolts stretch once and deform.
>
>
>
> I know the transfer case to transmission bolts are definitely TTY and the
> factory torque spec is very low.  I don't think shops are replacing as
> needed, but it's likely a bad idea.  There's nine of them so guess they
> cross their fingers, pray and blame later.
>
>
>
> I wish makes would not use these type fasteners as it only introducing
> errors and mistakes in the aftermarket to already expensive and costly
> work.  Blame the eurotrash as they started this mess with TTY on likely
> unnecessary areas of vehicles.  Cheaper i guess.
>
>
>
> ---
>
>
>
> Dan Hogan
>
> Buster's Transmission Service
>
> https://busterstransmission.com
>
> 704.847.5321
> ------------------------------
>
> *From:* trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of
> Steve Everett via trnw2 <trnw2 at trnw.net>
> *Sent:* Friday, February 14, 2025 10:55 AM
> *To:* Technical Discussion Forum <trnw2 at trnw.net>
> *Subject:* TRNW-2: 10R80 pump bolts
>
>
>
> anyone had any issues with reusing the factory 10R80 pump bolts ?  I've
> reused them on a couple units with no problems, I've tried using the ones
> that come in Precision kits, but their seal is nothing but silicone, which
> smashes and destroys itself after initial tightening ,  looks cheesy to me,
> I trust the factory bolts over them,  as long as you don't over torque
> them
>
>
>
>   Steve
> This message was sent from the TRNW Technical Discussion Forum (trnw2).
> You were sent this message because you have subscribed to our mailing list.
> If you don't want to receive these emails from TRNW in the future, please
> unsubscribe here:
> https://www.trnw.net/unsubscribe.php?forum=2
> TRNW Inc., 2825 Walnut Terrace, Modesto, CA 95355
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image001.png
Type: image/png
Size: 12854 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0012.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image002.png
Type: image/png
Size: 431 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0013.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image003.png
Type: image/png
Size: 1135 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0014.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image004.png
Type: image/png
Size: 463 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0015.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image005.png
Type: image/png
Size: 394 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0016.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image006.png
Type: image/png
Size: 414 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0017.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image006.png
Type: image/png
Size: 414 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0018.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image004.png
Type: image/png
Size: 463 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0019.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image001.png
Type: image/png
Size: 12854 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0020.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image003.png
Type: image/png
Size: 1135 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0021.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image005.png
Type: image/png
Size: 394 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0022.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image002.png
Type: image/png
Size: 431 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20250214/6ff458cc/attachment-0023.png>