Transmission Digest

11/21/2025

Today’s topic on the Builder’s Bench is Chevy and GMC trucks with the Service 4WD message coming up on the dashboard.

Co-host Rino Partipilo of ATSG shares a story in which the transmission in one of these cars is taking off in a higher gear and having two diagnostic codes pop up:

P2534: Ignition 1 switch voltage low; and
C0379: Front axle system failure.

Watch the video here for the full story:

Today’s topic on the Builder's Bench is Chevy and GMC trucks with the Service 4WD message coming up on the dashboard.Co-host Rino Partipilo of ATSG shares a ...

11/19/2025

It hasn’t been very long since nearly all transmission specialty shops reported a business model based on building every unit that arrived in the bays in-house. That said, the past 25 years have seen a marked change toward outsourcing some, many, or all installed units.

Read more in our story:

Makers of reman transmissions, then and now, highlight the availability of nationwide warranty service as a plus.

11/17/2025

This car originally came to the shop needing a transmission. A week after a rebuilt transmission was installed, the vehicle suddenly stalled while driving. It then turned into a no-crank, no-start push button problem.

Read the full story of this Hyundai Genesis here:

A 2015 Hyundai Genesis initially needed a transmission, then turned into a no-crank, no-start push button problem.

11/14/2025

Our friends at Sonnax have provided the following guide on critical wear areas and vacuum test locations for the Aisin Seiki AS66RC and AS69RC transmissions. Technicians working on these models should find this guide helpful:

Sonnax has provided the following guide on critical wear areas and vacuum test locations for the Aisin Seiki AS66RC and AS69RC transmissions.

11/12/2025

This spring, our friends at Certified Transmission had the opportunity to diagnose and repair a 2019 Ford F-150 (3.5L EcoBoost, 10R80) with a transmission issue that turned out to be more than just a sensor glitch; it was a lesson in persistence, pattern recognition and the value of bench testing.

Read the full story here:

The customer reported a stored transmission code P0721 and from a stop, the truck would occasionally feel like it was in neutral.

11/10/2025

Our latest shop profile highlights New Jersey's Pullen's Garage and Transmission Center, which recently became home of the Alliance Technician of the Year winner.

Read their story here:

Pullen’s Garage recently became home of an award-winner: Kevin Kiggins was recently given the Technician of the Year trophy from the Alliance.

11/07/2025

In this episode of Powertrain Perspective, we’re joined by Fred Burkhart, a 40-plus year veteran of the industry who is now the president of TTXE Powertrain Components.

Fred talks a bit about his career and then we dive into today’s topic: hard parts and whether tariffs and other economic factors will result in price increases, or have already.

Watch the full video here:

In this episode of Powertrain Perspective, we're joined by Fred Burkhart, a 40-plus year veteran of the industry who is now the president of TTXE Powertrain ...

11/05/2025

Got to do a bit of baseball card collecting here at ! ETE REMAN ATSG (Automatic Transmission Service Group)

10/31/2025

On this episode of The Builder’s Bench, the topic is the ZF 8HP family of transmissions.

Co-host Rino Partipilo shares a story from the ATSG help line: Recently, a ZF 8HP transmission had a bind up in reverse after a rebuild. There are three sets of clutches that come on in reverse: A, B and D. It felt like another clutch was coming on.

Why would an o-ring cause this issue? Watch the video for more:

On this episode of The Builder's Bench, the topic is the ZF 8HP family of transmissions.Co-host Rino Partipilo of ATSG shares a story from the ATSG help line...

10/30/2025

Training the next generation takes more than great products. It takes great leadership.

In Episode 3 of My Road to AAPEX 2025, Stefan Feder, Head of Automotive Aftermarket at AUMOVIO, visits the Lehigh Career and Technical Institute alongside technical trainer Doug Rennie to connect with students and show how collaboration drives the aftermarket forward.

📺 Watch the full episode on YouTube: https://bit.ly/47HeL3H
👉 Follow for more My Road to AAPEX 2025!

10/28/2025

Powertrain industry manufacturers, distributors and repair shops gathered in San Antonio for the ATRA-sponsored Powertrain Expo 2025. The event included seminar programs and social events in addition to exhibits. Take a look at our photo gallery from the event:

Powertrain industry manufacturers, distributors and repair shops gathered in San Antonio for the ATRA-sponsored Powertrain Expo 2025.

10/27/2025

The aftermarket starts with people, and its future depends on those still learning the trade.

In Episode 3 of My Road to AAPEX 2025, AUMOVIO’s Stefan Feder visits the Lehigh Career and Technical Institute to inspire the next generation and show how learning keeps this industry in motion.

📺 Watch the full episode on YouTube: https://bit.ly/47HeL3H

👉 Follow for more My Road to AAPEX 2025!