sonnax-black Facebook-color LinkedIn-color maillink printlink r_and_r_only SERVOFIX-logo-web Twitter-color VBFIX-logo-web video-logo-web warranty_only Youtube-color

You are trying to go to a site that has been redirected to

Latest News

November 16, 2017

Sonnax Roadshow Videos Now Online

Learn the best valve body diagnosis and bore reaming techniques in the industry! This FREE four-part video series presented by Sonnax Senior Technical Specialist Randall Schroeder delivers expert training on-demand:

  • Part 1: Diagnostic Challenges – Where Do You Start?
  • Part 2: Isolating the Problem – Best Methods to Identify Bore Wear
  • Part 3: Valve Body Reaming – Step-by-Step Demonstration
  • Part 4: Additional Valve Body Repair Issues – What Else Can You Do to Reduce Costly Comebacks?

Watch Now!

Read More
October 30, 2017

Check Out Photos & Videos from Powertrain Expo 2017

From part selection and table layouts, to booth design and banner hanging, a lot of time and effort went in to planning for the 2017 ATRA Powertrain Expo. We’d like to give a much-deserved shout out to the entire Sonnax team for all their hard work, and a sincere thank you to all of our customers for making it worth it. What a great show! 

Catch up on all the action with photos and videos from the show:


Read More
September 13, 2017

Learn How to Prevent Comebacks with Non-Valve-Body Vacuum Testing

Did you know that there are other areas of the transmission – aside from the valve body – that can be tested for leaks by vacuum testing? The ability to unmask these leaks is a must-have weapon in your arsenal for fighting against comebacks. From checkballs to shafts and every hydraulic circuit in between, identifying and repairing internal leaks while the unit is apart on the bench is no longer a guessing game.

Click here to learn more!

Read More
View News Archive

Upcoming Events

PRI Show 2017

Indianapolis, IN

December 07, 2017, 9:00AM - 4:00PM

Learn More
See All Events

Sonnax Industries is an Employee-Owned Company

Sonnax’s mission is to be the leading supplier of innovative drivetrain components to the automotive aftermarket by developing quality solutions that serve customer needs.