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 09, 2018

GM Gen. 2 6T70, 6T75, 6T80 Valve Body Layout

Topics: Transmission 6T75 (Gen. 2) Transmission 6T80 (Gen. 2) Transmission 6T70 (Gen. 2) Transmission

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October 25, 2018

Another Day at the Orifice: Separator Plate Modification Considerations

Brian Wing

Topics: Rebuilding Tips Transmission

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October 24, 2018

Eliminate Leakage & Optimize Performance with Sonnax O-Ringed Valves

Topics: Rebuilding Tips Transmission

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October 24, 2018

Clean Up Your Shifts with Sonnax Line Pressure Booster Kits

Topics: Rebuilding Tips Transmission Chrysler Ford GM Toyota/Lexus 66RFE Transmission A760H Transmission A960E Transmission A960F Transmission AB60F Transmission 350 Transmission 350C Transmission 68RFE Transmission 4R75W Transmission 45RFE Transmission 4R70W Transmission 545RFE Transmission AODE Transmission 5R55W Transmission 4T65-E Transmission 200-4R Transmission 5R55S Transmission 4R100 Transmission 6L90 Transmission 6L50 Transmission 6L45 Transmission E4OD Transmission 4R70E Transmission 4R75E Transmission A760E Transmission A750E Transmission A750F Transmission A760F Transmission 4L70-E Transmission 400 Transmission 4L60-E Transmission 4L65-E Transmission 4L85-E Transmission 4L80-E Transmission 4L60 Transmission AB60E Transmission 6L80 Transmission

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October 18, 2018

GM Gen. 1 6T70 & 6T75 Identification Guide

Topics: Identification Guides Transmission GM 6T70 (Gen. 1) Transmission

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October 11, 2018

ZF8HP55 Vacuum Test Guide

Topics: Vacuum Test Guides Transmission ZF ZF8HP55 Transmission

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September 21, 2018

Ford 6F50 & 6F55 Identification Guide

Topics: Identification Guides Transmission 6F50 Transmission 6F55 Transmission

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August 29, 2018

Trading Places: Avoiding Valve Body Pitfalls with GM/Ford 6-Speed Automatic Transaxles

Tory Royce

Topics: Rebuilding Tips Transmission Ford GM 6F55 Transmission 6T70 (Gen. 1) Transmission 6T75 (Gen. 1) Transmission 6F50 Transmission

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August 09, 2018

GM Gen. 2 6T70, 6T75, 6T80 Vacuum Test Guide

Topics: Vacuum Test Guides Transmission GM 6T75 (Gen. 2) Transmission 6T80 (Gen. 2) Transmission 6T70 (Gen. 2) Transmission

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July 24, 2018

Transmission Report: Introducing Premium GM 6L80 Series Remanufactured Valve Bodies

Topics: Transmission Report Newsletters Transmission Chrysler Ford GM Toyota/Lexus 5R110W Transmission AS68RC Transmission 68RFE Transmission 4R100 Transmission 6L90 Transmission 6L50 Transmission 6L45 Transmission 6L80 Transmission

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June 06, 2018

All Over the Map: Attacking 4L60/E Burnt 3-4 Clutches with Confidence

Brian Wing

Topics: Shop Practices Transmission GM 4L70-E Transmission 4L60-E Transmission 4L65-E Transmission 4L60 Transmission

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May 02, 2018

Your Guide to Summer Towing Torque Converter Repairs & Upgrades

Topics: Rebuilding Tips Torque Converter

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March 28, 2018

Replacing Valve Bodies Dos and Don'ts! Part II

Robert Moreau

Topics: Rebuilding Tips Shop Practices Transmission Aisin AW 55-50SN Transmission

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March 05, 2018

How to Modify Thrust Bearing CH-N-1 for Use in VW/Audi 096 LU (01M) Converters

Topics: Tech Advisories Torque Converter VW/Audi 096 LU (01M) Torque Converter

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February 23, 2018

SonnaFlow® Chart: ZF6HP19

Topics: Sonnaflow Charts Transmission ZF ZF6HP19 Transmission 6R75 Transmission ZF6HP32 Transmission 6R80 Transmission 6R60 Transmission ZF6HP26 Transmission

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February 21, 2018

Replacing Valve Bodies Dos and Don'ts! Part I

Robert Moreau

Topics: Rebuilding Tips Shop Practices Transmission Aisin AW 55-50SN Transmission

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February 12, 2018

Transmission Report: How Small Changes Led to the New Form & Function of Gen. 2 6T70/75 Valve Bodies

Topics: Transmission Report Newsletters Transmission Ford GM ZF 6T70 (Gen. 1) Transmission 6T75 (Gen. 1) Transmission 6T75 (Gen. 2) Transmission 6T80 (Gen. 2) Transmission 4L85-E Transmission 4L80-E Transmission 6T70 (Gen. 2) Transmission 6F35 (Gen. 1) Transmission 6F35 (Gen. 2) Transmission

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February 12, 2018

The Greatest Generation: How Small Changes Led to the New Form & Function of Gen. 2 6T70/75 Valve Bodies

Topics: Transmission GM 6T70 (Gen. 1) Transmission 6T75 (Gen. 1) Transmission 6T75 (Gen. 2) Transmission 6T70 (Gen. 2) Transmission

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February 08, 2018

Harness that Horsepower! Your Guide to a Sonnax 4L60/E Level 3 Performance Build

Topics: Rebuilding Tips Transmission GM 4L70-E Transmission 4L60-E Transmission 4L65-E Transmission

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January 30, 2018

GM & BMW 6L80 Family Identification Guide

Topics: Identification Guides Remanufactured Valve Bodies Transmission BMW GM 6L90 Transmission 6L50 Transmission 6L45 Transmission 6L80 Transmission

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