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

Tech Resources

More than Great Products

Created by rebuilders, for rebuilders, Sonnax Technical Resources contains hundreds of valuable articles, videos and more to help you find the best solutions to everyday automotive issues. Whether you’re researching a specific problem with a unit that’s just come into your shop or seeking rebuilding tips and tricks from the pros, this section is where you can easily search 10+ years of free Sonnax tech for answers.

Check back often to see what’s new, or connect with Sonnax to be the first to know about the latest tech resources.

November 17, 2017

Jatco/Nissan JF015E (RE0F11A) Vacuum Test Guide

Topics: Vacuum Test Guides Transmission Jatco Nissan JF015E (RE0F11A) Transmission

Read Now

November 01, 2017

Solenoid Differences Between Ford 6F35 Gen 1. & Gen. 2 Transmissions

Jim Dial

Topics: Transmission Ford 6F35 Transmission

Read Now

October 26, 2017

Toyota/Lexus U760E/F Vacuum Test Guide

Topics: Vacuum Test Guides Transmission Toyota/Lexus U760F Transmission U760E Transmission

Read Now

October 09, 2017

Jatco/Nissan JF015E (RE0F11A) Valve Body Layout

Topics: Transmission Jatco Nissan JF015E (RE0F11A) Transmission

Read Now

September 28, 2017

Ford E4OD, 4R100 Vacuum Test Guide

Topics: Vacuum Test Guides Transmission Ford 4R100 Transmission E4OD Transmission

Read Now

September 27, 2017

Sonnax Roadshow Part IV: Additional Valve Body Repair Issues

Randall Schroeder

Topics: Diagnostics And Theory Rebuilding Tips Transmission

Watch Now

September 27, 2017

Sonnax Roadshow Part III: Valve Body Reaming

Randall Schroeder

Topics: Diagnostics And Theory Rebuilding Tips Valve Body Reaming Transmission

Watch Now

September 27, 2017

Sonnax Roadshow Part II: Isolating the Problem – Methods to Identify Bore Wear

Randall Schroeder

Topics: Diagnostics And Theory Rebuilding Tips Transmission

Watch Now

September 27, 2017

Sonnax Roadshow Part I: Diagnostic Challenges – Where Do You Start?

Randall Schroeder

Topics: Diagnostics And Theory Rebuilding Tips Transmission

Watch Now

September 14, 2017

SonnaFlow® Chart: Chrysler 62TE - '13 Dodge Caravan

Topics: Sonnaflow Charts Transmission

Read Now

September 12, 2017

Seal the Deal: How to Prevent Comebacks with Non-Valve-Body Vacuum Testing

Randall Schroeder

Topics: Vacuum Testing Transmission

Read Now

August 28, 2017

Torque Converter Journal: Get Answers to Your Biggest Questions About Woven Carbon Friction Rings

Topics: Torque Converter Journals Torque Converter BorgWarner Ford Honda/Acura MT4A (MDX) Torque Converter

Read Now

August 28, 2017

Sonnax Answers Your Biggest Questions About Woven Carbon Friction Rings

Steve Jaussaud

Topics: Torque Converter BorgWarner

Read Now

August 23, 2017

First, Do No Harm: Things You Should Know about Performance Servos

Gregg Nader

Topics: Miscellaneous Rebuilding Tips Transmission GM Powerglide Transmission Powerglide, Cast Iron Transmission C4 Transmission C6 Transmission 4L70-E Transmission 4L60-E Transmission 4L65-E Transmission 4L60 Transmission

Read Now

August 18, 2017

Reamer Cleaning & Care Techniques

Topics: Shop Practices Transmission

Watch Now

August 15, 2017

Basic Installation Steps for the Smart-Tech® Overrun Clutch Valve Kit

Topics: Rebuilding Tips Transmission GM 4L85-E Transmission 4L80-E Transmission

Watch Now

August 01, 2017

Transmission Report: Recognize & Repair Solenoid Accumulators in Late-Model Valve Bodies

Topics: Transmission Report Newsletters Transmission GM ZF 6T40 (Gen. 2) Transmission 6R75 Transmission ZF6HP32 Transmission ZF6HP21 Transmission ZF6HP19 Transmission 6R60 Transmission 6T70 (Gen. 1) Transmission 6T75 (Gen. 1) Transmission 6F35 Transmission ZF6HP28 Transmission ZF6HP26 Transmission ZF6HP34 Transmission 6R80 Transmission

Read Now

July 27, 2017

How to Recognize & Repair Solenoid Accumulators in Late-Model Valve Bodies

Maura Stafford

Topics: Transmission Ford GM ZF 6R75 Transmission ZF6HP32 Transmission ZF6HP21 Transmission ZF6HP19 Transmission 6R80 Transmission 6R60 Transmission 6T70 (Gen. 1) Transmission 6T75 (Gen. 1) Transmission 6F35 Transmission ZF6HP28 Transmission ZF6HP26 Transmission ZF6HP34 Transmission 6T40 (Gen. 2) Transmission

Read Now

July 25, 2017

Identifying Converter Components: 6 Key Features to Understand in Ford E4OD, 4R100 & 5R110W

Ed Lee

Topics: Identification Guides Torque Converter Ford 4R100 Torque Converter E4OD Torque Converter 5R110W, 6-Stud Torque Converter 5R110W, 8-Stud Performance Converter Torque Converter 5R110W, 6-Stud Performance Converter Torque Converter 5R110W, 8-Stud Torque Converter

Read Now

June 22, 2017

Outsmarting 4L80-E Overdrive Roller Clutch Failure

Jim Dial

Topics: Miscellaneous Transmission GM 4L80-E Transmission 4L85-E Transmission

Read Now