TRNW-2: First 10L80 no reverse

[pat schulte]

Thanks!

On Tue, Oct 7, 2025 at 1:35 PM Justin Merritt via trnw2 <trnw2 at trnw.net>
wrote:

> According to my WIT sales rep, they show 3 different plates available
> based on the gm number stamped on the plate.  I could not locate the plate
> by itself on repair link even when using the vin.  However, I took the gm
> part number on the plate and plugged it in, and it shows my local
> dealership had in stock.
>
> Justin
>
> On Tue, Oct 7, 2025 at 3:31 PM Dan Hogan via trnw2 <trnw2 at trnw.net> wrote:
>
>> Thanks Justin.  Looks like they are going to suffer the same issues as
>> the Ford 10R80 as we are seeing filter screen delaminations as well.  Does
>> GM have a service part number for the separator plates on these?
>>
>> Thanks for the picture.
>>
>> ---
>>
>>
>> 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
>> Justin Merritt via trnw2 <trnw2 at trnw.net>
>> *Sent:* Tuesday, October 7, 2025 3:59 PM
>> *To:* Technical Discussion Forum <trnw2 at trnw.net>
>> *Subject:* TRNW-2: First 10L80 no reverse
>>
>> Hello all, I got my first 10L80 no reverse with 79k miles. I got the
>> valve body off to study and found the blowed filter screen. I thought I
>> would show you guys what I found, because it to me a few minutes to find.
>> The pieces of screen in the pic are referenced to a 1/4 check ball. And the
>> red circles are where I found the screen in the valve body and the stuck
>> valve.
>>
>> Justin
>>
>>
>> Sent from my iPhone
>> 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://urldefense.proofpoint.com/v2/url?u=https-3A__www.trnw.net_unsubscribe.php-3Fforum-3D2&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=yGxgdBgWlG5I11o5-j1Bvg4Y_s2oqx1VeX6u4RWRhKh38NLh65ZHEpNfPXerfeoo&s=1LAAR5uGlruBMe3XJxqzEZUgjjRnoSElfIfo0Rwaki8&e=
>> 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.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20251007/f9fa90c2/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image0.jpeg
Type: image/jpeg
Size: 190124 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20251007/f9fa90c2/attachment-0002.jpeg>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image1.jpeg
Type: image/jpeg
Size: 217088 bytes
Desc: not available
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20251007/f9fa90c2/attachment-0003.jpeg>