Below is TD’s compilation of manufacturers of components, parts, etc. for performance transmissions for 2023. Click the images below for company names and contact information.
Performance supplier listings 2023
Main Navigation
Integration becomes synergy for Sonnax and Rostra
Klynt Baker, the recently appointed president of Sonnax and Rostra, says that his responsibilities aren’t two aftermarket companies owned by Marmon Holdings. Baker says that Sonnax and Rostra have integrated their operations to the point that there are indeed two brands encompassed in a single business. The Marmon Automotive Aftermarket Group is a subsidiary of
Klynt Baker, the recently appointed president of Sonnax and Rostra, says that his responsibilities aren’t two aftermarket companies owned by Marmon Holdings. Baker says that Sonnax and Rostra have integrated their operations to the point that there are indeed two brands encompassed in a single business.
The Marmon Automotive Aftermarket Group is a subsidiary of Berkshire Hathaway. In the years since the 2017 and 2018 acquisitions, Sonnax and Rostra have woven themselves into a single company that serves the market with two well-known brands.
Look for the little details: Three transmission repair case studies
Below are three examples of trucks that came into transmission shops, yet either did not have a transmission problem, or had a simpler issue than it originally seemed. Read on for the stories. Related Articles – CVT maintenance basics – Mercedes-Benz 722.9 no forward movement after overhaul – Land Rover LR3 ZF6HP26 no start after
CVT maintenance basics
On the maintenance side, a continuously variable transmission (CVT) requires more or the same frequency of fluid and filter changes as a conventional automatic transmission, and many of the basic procedures are the same. On the diagnostic side, a CVT transmission is less complicated internally than a six- or nine-speed transmission. Related Articles – Infiniti
Troubleshooting RFE overdrive clutch failure: Three key areas to check
Fighting overdrive failure in Chrysler RFE transmissions can be a frustrating task. You build the unit, and a week later, it’s back with the overdrive clutches burned up again. Related Articles – The technician’s duty to the customer – Shop profile: DL Transmissions has leveraged a new location into significant success – The 6R140 torque
The technician’s duty to the customer
I want to talk about some of the recent trends of particular cars and trucks that we see showing up at repair shops for work to be done. It seems to be a perfect storm of high used car prices, lack of new car inventory, and a bit of economic uncertainty that brings us to
Other Posts
TCRA 2023 annual meeting in pictures
I’m not sure where all of the years went, but it was a quarter century ago that Corky and Carole Meyers turned an educational user group for their TCRS converter rebuilding equipment into an association of converter rebuilders: the Torque Converter Rebuilders Association (TCRA). The initial meetings of the association took place in Reno, NV
Volkswagen dual clutch transmission and direct shift gearbox: What you need to know
Most of the drivers who own a Volkswagen car or truck with a Direct Shift Gearbox (DSG) will not know they have a dual-clutch transmission connected to the engine. Most of them will think they have an automatic that gets excellent gas mileage. It is not until a transmission component fails or a service interval
The evolution of diesel transmission maintenance
It’s no longer a secret… heck, it’s no longer that special for a diesel engine to make 1,000-plus horsepower. It’s become commonplace, and due to that increased capability, it seems that these days, OE manufacturers are rating transmissions at their absolute limits. Related Articles – Shift Pointers: Park Wiggle Movement – The transmission repair industry:
Diagnostic tips for the Ford 6F35
We have all experienced repairs that seem to “go down the rabbit hole,” as we call it. Our subject today is one such issue: a Ford 6F35 transmission with codes P073D or P177F after repair and a complaint of trying to go into Reverse while in Neutral, or a bind in Forward when cold. This
