Featured in this Issue:Rostra Joins Sonnax Transmission CompanyNew Work/Sport Performance UpgradesGM 8L45, 8L90 Valve Body RepairsGM 6L45/50, 6L80/90 BushingsNew Pressure Switch Rebuild Options for GM 6-Speed TEHCMs

Featured in this issue:

• 6L80/90 Transmission Tech Advisory: Consider an Updated Converter
• Sonnax Hauls in Top Products & Tools!
• Gen. 3 6T40 Units: What’s Changed & What’s Stayed the Same
• Big Units Don’t Have to Mean Big Costs with AS66/69RC Valve Kits
• Quickly & Easily Repair the Chrysler Solenoid Switch Valve
• Conquering the GM Compensator Clip Conundrum

Featured in this issue:Introducing Premium GM 6-Speed Remanufactured Valve BodiesProduct Development Takes the Spotlight at TASC MeetingMeet Sonnax's New PresidentGreat New Upgrades for AS68RC, 68RFE & 5R110W

Featured in this issue:U341E/F TCC Slip DiagnosisFord 6R140 Zip Kit®U341E/F Valve Body Repairs6L80/90 Performance UpgradesTransmission Digest Top 10 Winners4L60/E Performance Catalog, Vol. 3

New products featured in this issue:RFE TCC Apply Limit Switch Valve KitsZF8HP45/50/51 & Chrysler 845RE, 850RE Heavy-Duty “A” Clutch Backing Plate48RE Zip Kit®Damper & Accumulator Piston Kits4L60/E & TH400 Input Shaft Upgrades

Featured in this issue:Genuine SonnaxVacuum Testing GuidesGM6L45-6L90 SolutionsNew Transmission KitsReamer Care

Featured in this issue:The Right Kit for the Rebuild is a Genuine Sonnax KitThe Sure Cure Tech TipNew & Improved Vacuum Test Guides4R70W Forward Clutch Drum

Featured in this issue:NEW! Webinars & VideosPressure Switch Kits & Zip Kits®Plow Repairs & Upgrades

Featured in this issue:New Sure Cure & 10-Speed Valve RepairsRostra OEM/S Parts Announcement6L80 Lube Dam Tech Tip for Easy RepairsZF8 Separator Plate IdentificationNew 6R80, ZF6 Heavy Duty OD “E” PistonTech Tip: Choose the Right AODE, 4R70W Bypass Clutch Control Valve Repair

Featured in this issue:Sonnax Answers Your Biggest Questions About Woven Carbon Friction RingsNew Parts GuideEd Lee is Retiring! Check Out His Top 10 Tech ArticlesExploded Views You Might Have Missed

Featured in this issue:8L45/90 Signal Accumulator Piston Updates & New Shuttle Valve Kit OptionsNew 9T45 Drop-in Valve & Pump Body RepairsNew 68RFE & 6L80/90 L/R Sprag Rebuild KitsNew 6R60/75/80 Center Support Snap RingNew 4L60-E & 4L80-E Heavy Duty Upgrades

Featured in this issue:Defending the Duramax® Diesel Against Allison® 1000 Stator WeaknessEasy Repairs for Overheating Honda/Acura ConvertersNew Converter PartsDodge Diesel Performance ShaftsSonnax Website Features

Watch this webinar recording to learn about:6T40 (GF6) Hydraulic SystemsPressure Switch FunctionsGen. 1/2/3 Differences & ID TipsValve Body & Pump Diagnostics

Featured in this issue:Turn Your ZF6 Solenoid Cores into CASH!New ZF8 Tech ArticleZF8HP45/70 Valve Body LayoutRemanufactured Valve BodiesNew Toyota and Chrysler Line Pressure Booster Kits

Featured in this issue:New Gen. 2 6T70/75/80 Remanufactured TEHCMNew RFE, RH/RE “Apply Limit” ValvesNew ZF8 & Chrysler Heavy Duty “E” Clutch HubsNew Rostra Switches, Sensors & SolenoidsTech Tip: Check 4L60-E Isolator Bore Wear

Featured in this Issue:Sonnax Top Shop Products of 2022AS66/69RC Valve Body ComponentsTH400 & 4L80-E Performance UpgradesFord 9" Pinion Yokes & 6R80 BushingsTech Tip: Easy 6L80 PR Valve Pump Drilling

Featured in this issue:How to Recognize & Repair Solenoid Accumulators in Late-Model Valve BodiesEssential 4L60/E Upgrades You Can't MissTransmission Kits Upgraded for Better Coverage4R/5R Zip Kit® Gets an OE Ratio UpgradeGet CASH for Your Solenoid Cores

Featured in this issue:A Slippery Slope: The What (and Why) of Woven CarbonNew Converter Parts48RE Converted Valve Body CHR135

Featured in this issue:Performance Converter Kit CatalogTips for Successful 6R140 Impeller Hub InstallationNew Parts Guide & Exploded ViewsFrequently Asked QuestionsSmart-Tech® Overdrive Clutch Housing KitTCRA Seminar

Featured in this issue:4L60-E PWM Modifications4L60-E Friction Material OptionsNew Converter PartsTwo New Exploded Views

Featured in this issue:New RFE Universal Valve Bodies: One SKU Does it All!Must-Have 4R70W Series Upgrades for Work & SportGet Your Racers Ready for Their Best Season EVER!JF016E (RE0F10D), JF017E (RE0F10E) Valve Body ComponentsGenuine OE, Direct Replacement BearingsFull Line of ZF 6-Speed Precision Bushings

Featured in this issue:Introducing the Sonnax Zip Valve™Great New Prices on Sonnax ToolsNew 6-Speed Remanufactured Valve Bodies6R80, 6R100 Zip Kit® & Unit ID GuideNew Bushings, Bearings & Performance Parts for Better Builds

Featured in this issue:Sonnax Voted Tops for Parts & Tools!Outsmarting 4L80-E Overdrive Roller Clutch FailureTwo Simple Parts Help Guard Against 4L60/E Clutch & Shift ConcernsProtect Against 4T60/65-E ComebacksNew Performance Parts & Catalogs

Featured in this issue:Small Changes Make a BIG Difference for GM 6T70/75 Gen. 2 UnitsOutsmart OD Roller Clutch Failure with the Smart-Tech® Overrun Clutch Valve Kit6F35 Zip Kit® for Gen. 1 & 2 UnitsTech Team Shop Talk: Help Us Help You

Featured in this issue:Dampered & Damperless Converters: What's the StoryWovern Carbon Friction RingsPerformance Converter KitsNew Converter PartsHeavy-Duty Chrysler 48RE & GM 4L60/E Series Output Shafts