TRNW-2: 6R80, rebuild minimums

Thu Oct 16 07:30:07 PDT 2025

  I have never had to adjust clearances on those either ,  almost always
use B&W frictions and run it as it is,  I have on an occassion or two rerun
the factory clutches as they are virtually never hurt it seems,

   Steve

On Thu, Oct 16, 2025 at 10:06 AM pat schulte via trnw2 <trnw2 at trnw.net>
wrote:

> A .062-.080
> B .055-.073
> C .054-.072
> D .082-.106
> E ..072-.093
>
> This is what I have. I have found if using BW or Exedy friction I just
> reassemble and not worry about it, it is usually very close. Looser is
> better.
>
> On Thu, Oct 16, 2025 at 6:47 AM J V via trnw2 <trnw2 at trnw.net> wrote:
>
>> thx.   does anyone have input on the clutch pack clearances? so far od
>> and fwd have way more clearance than spec. trans worked great besides tcc
>> shudder. considering reusing clutch packs to avoid the squawk and they look
>> great
>>
>> On Thu, Oct 16, 2025 at 8:42 AM tranibob--- via trnw2 <trnw2 at trnw.net>
>> 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> *On Behalf Of *J
>>> V via trnw2
>>> *Sent:* Thursday, October 16, 2025 4:10 AM
>>> *To:* Dan Hogan <danhogan at busterstransmission.com>; Technical
>>> Discussion Forum <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).
>>> 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
>>>
>> 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
>
>
>
> --
> Pat Schulte
> AAMCO Transmissions
> Temecula, Ca.
> 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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