TRNW-2: 10r80 torque converter stator loose

[Dan Hogan]

This converter is a real strange design for sure.  Good to have those endplay dimensions.  Thanks for the data.


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Dan Hogan

Buster's Transmission Service

https://busterstransmission.com

704.847.5321

________________________________
From: Chris and Cathy Kershaw <kershawservicesllc at gmail.com>
Sent: Thursday, April 17, 2025 4:13 PM
To: Dan Hogan <danhogan at busterstransmission.com>; Technical Discussion Forum <trnw2 at trnw.net>
Subject: Re: TRNW-2: 10r80 torque converter stator loose

Thanks dan, talking to brad & reading a tcra article looks like this is normal. My original converter the stator has .80 endplay, the recon is .120. My understanding at this point is a thicker clutch lining will have more endplay, thinner lining less endplay. That explains why the remans are so “loose”compared to the 100,000 mile converter we are replacing.

On Thu, Apr 17, 2025 at 3:31 PM Dan Hogan via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>> wrote:
Chris,

This is normal and you need to install the torque converter like a 6T70 with the bellhousing facing the ceiling to avoid damaging seals.  Do not install the converter the old-fashioned way.  It's not the same.

[cid:ii_196454e3f3fcb971f161]

Precision places a plastic plug inside to keep the stator from banging around prior to installation.  Sounds like transtar doesn't use a cap to secure?


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Dan Hogan

Buster's Transmission Service

https://busterstransmission.com<https://urldefense.proofpoint.com/v2/url?u=https-3A__busterstransmission.com&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=M90C63l82L0FTA5l6tQZGsHQ-TRIBEri2b2MmmyDoA0aY8PhvO1JYUyr5C15ZqsD&s=dM7T6Z5sKdld4BvgseIyV9AJGiq-MOEnDQiawzPTzW0&e=>

704.847.5321

________________________________
From: trnw2-bounces at trnw.net<mailto:trnw2-bounces at trnw.net> <trnw2-bounces at trnw.net<mailto:trnw2-bounces at trnw.net>> on behalf of Chris and Cathy Kershaw via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>>
Sent: Thursday, April 17, 2025 1:33 PM
To: Technical Discussion Forum <trnw2 at trnw.net<mailto:trnw2 at trnw.net>>
Subject: TRNW-2: 10r80 torque converter stator loose

Group, we’ve installed dozens of recon 10r converters. In the past few months had 3 of these recon 10r80 converters where the stator falls side to side. Not just a little loose but falls so far off center the only way to install the converter would be bellhousing up.

My salesman is replacing them so far but the plant is telling him this is normal, no problem found. I haven’t seen an original converter with near this much play in the stator. What are you guys seeing ? I have a video and pictures if anyone wants to see i can send it directly to you, the mailer kicked it back.
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TRNW Inc., 2825 Walnut Terrace, Modesto, CA 95355
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