TRNW-2: 6R80, rebuild minimums

[J V]

does anyone have more input on the clutch clearances? The info Pat posted
is about half of what atsg and Ford published. Anyone use 6l80 456 snap
rings to adjust od clutch on these? looks good to me. thx


On Fri, Oct 17, 2025 at 1:32 PM Tod Chretien via trnw2 <trnw2 at trnw.net>
wrote:

> I'm really sorry for all of the tests, but I can't get this fixed without
> posting these. The .scm file doesn't lock up the archiver but it comes out
> as a .obj file in the archives and you cannot open it. So now I have two
> problems to resolve.
>
> I have to try another .scm file now...
>
> --
> Best Regards,
> Tod Chretien
> TRNW Inc.https://www.trnw.net
>
> On 10/17/2025 9:27 AM, Tod Chretien via trnw2 wrote:
>
> So apparently attaching a .pids file locks up the archiver. Yet it doesn't
> set any errors in the error log. Ugh! It looks like I might spend all
> weekend trying to figure this out.
>
> How about if I attach a different type of scanner movie file? Lets try an
> .scm file...
>
> --
> Best Regards,
> Tod Chretien
> TRNW Inc.https://www.trnw.net
>
>
>
> On 10/17/2025 8:28 AM, Tod Chretien via trnw2 wrote:
>
> Another test
> On 10/17/2025 7:35 AM, Tod Chretien via trnw2 wrote:
>
> Sorry about that folks. I am still not sure what went wrong with the
> archiver.
>
> This is a test. Attaching a .pids file...
>
> --
> Best Regards,
> Tod Chretien
> TRNW Inc.https://www.trnw.net
>
>
> On 10/16/2025 7:11 AM, Tod Chretien via trnw2 wrote:
>
> The replies are supposed to be automatically added to the archives every
> 30 minutes or so. However, nothing on this mailer has been added since
> July. There must be a post that locked up my archiving program. I will have
> to get that fixed.
>
> Thank you for pointing out the issue Dan!
>
> --
> Best Regards,
> Tod Chretien
> TRNW Inc.https://www.trnw.net
>
> On 10/16/2025 5:42 AM, tranibob--- via trnw2 wrote:
>
> It always takes a little bit of time for Tod’s system to put them up
> there. I want to say a few days.
>
>
>
> <http://www.transgo.com/>
>
> *Robert Moreau*
>
> *Technical Sales and Marketing Support Specialist*
>
> 2621 Merced Avenue El Monte, CA 91733 USA
>
> *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>
> <trnw2-bounces at trnw.net> *On Behalf Of *J V via trnw2
> *Sent:* Thursday, October 16, 2025 4:10 AM
> *To:* Dan Hogan <danhogan at busterstransmission.com>
> <danhogan at busterstransmission.com>; Technical Discussion Forum
> <trnw2 at trnw.net> <trnw2 at trnw.net>
> *Subject:* Re: TRNW-2: 6R80, rebuild minimums
>
>
>
> does anyone know why all of the responses to this aren't showing up on the
> trnw website?
>
>
>
>
>
> On Thu, Oct 16, 2025 at 6:34 AM J V <jvk12280 at gmail.com> wrote:
>
> thx Dan. it's a gen 2
>
>
>
>
>
> On Wed, Oct 15, 2025 at 6:09 PM Dan Hogan via trnw2 <trnw2 at trnw.net>
> wrote:
>
> John,
>
>
>
> Varies with generation.  What year are you working on?
>
>
>
> All gens
>
>
>
> I agree with Chris.  BW or OE frictions appear to be best on these units.
> Overhaul kits are competitive from the dealer as well last we purchased.  I
> think the part numbers on on the TRNW site.
>
>
>
> E Clutch (456)
>
>
>
> Inspect/replace the rear bushing in the stator support tube that supports
> the E clutch drum up front as it seals the circuit here.  The A clutch drum
> (456) is also prone to crack/leak so check closely.  High mileage would be
> smart to replace with new.
>
>
>
> Rear planet
>
>
>
> Spline wear where the 456 hub connect is common especially on the fullsize
> Transit applications.  Gearsets are not cheap.
>
>
>
> Gen 2
>
>
>
> VBs we used to source new units from Ford, but as others on group state
> pricing is getting high.  We don't see a ton of wear, but solenoids are
> hit/miss.  I'd prefer a new set, but again pricing and availabiliy isnt
> great.  Check leadframe on valvebody and replace if not updated.  Ford did
> issue a PCM update to reprogram shift schedule to prevent high speed
> downshifts when the OSS fails.
>
>
>
> Gen 1 (internal TCM)
>
>
>
> We have seen internal TCM failures and solenoid failure rates appear
> higher on the 1st gen.  I think the last one we did the complete VB/TCM
> (mechatronics) was > $1000 from the dealer.
>
>
>
> I like the Transgo kits here in this both applications.  Sonnax here not
> so much.
>
>
>
> ---
>
>
>
> 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 John
> Vanklavern via trnw2 <trnw2 at trnw.net>
> *Sent:* Wednesday, October 15, 2025 6:21 AM
> *To:* trnw2 at trnw.net <trnw2 at trnw.net>
> *Subject:* TRNW-2: 6R80, rebuild minimums
>
>
>
> *Date:* Wed Oct 15 3:21:57 PDT 2025
> *Subject:* 6R80, rebuild minimums
>
> doing my first 6r80. I'm hearing a lot people say replace vb with oe. Are
> the vb kits not worth a crap. This trans only had tcc shudder, no codes.
> 200k, looks like original fluid. just tearing into it. pan very clean for
> mileage and no maintenance. Also hearing only borg clutches in 456. ANy
> other 6r80 experience greatly appreciated. Thank you
>
> John Vanklavern
> Jvk Services Llc
> West Olive, Michigan USA
> TRNW Member Since: 5/23/2025
>
> This message was sent from the TRNW Technical Discussion Forum (trnw2).
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> TRNW Inc., 2825 Walnut Terrace, Modesto, CA 95355
>
>
> 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
>
>
> 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
>
> --
> Best Regards,
> Tod Chretien
> TRNW Inc.https://www.trnw.net
>
>
> 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
>
> --
> Best Regards,
> Tod Chretien
> TRNW Inc.https://www.trnw.net
>
>
> 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
>
> --
> Best Regards,
> Tod Chretien
> TRNW Inc.https://www.trnw.net
>
>
> 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
>
> --
> Best Regards,
> Tod Chretien
> TRNW Inc.https://www.trnw.net
>
> 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
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