Transmission Rebuilders Network Worldwide. Transmission Diagnostic Help, Rebuilding Tips, Transmission Forum, Message Board, Electrical Diagnosis, Troubleshooting

TRNW, Transmission Rebuilders Network Worldwide

is an international network of transmission technicians, transmission rebuilders, and transmission shop owners who discuss every aspect of running a transmission repair facility. TRNW members interact on everything from rebuilding tips, diagnostic help, troubleshooting, parts locating, and the art of operating and managing a full-service transmission shop.

TRNW is like having hundreds of transmission rebuilders at your door step to answer your questions. No job is too difficult! TRNW members unite together to help solve the most complicated problems from today's complex, fully electronic, automatic transmissions. Join TRNW today and see what your missing! It's like a seminar in your mail box every day!

TRNW has the most active and the most informative tech forum in the transmission industry! Our members rave about how great our service is, and you will too! Be sure to join TRNW today!

Becoming a TRNW member is Easy and Safe! We use the latest "Verisign" secure encryption technology available. View our Privacy Policy, and our Refund Policy. All participants of this group must agree to the terms of our Terms of Use Agreement.

Transmission Industry News

ATSG Confirmed Fix for June: 2014 Ford Escape 6F35 with no movement after rebuild. Learn more
Sonnax announces an important product update: Renowned for maximizing clutch capacity and squawk resistance in heavy-duty Dodge trucks, the popular Sonnax 68RFE Smart-Tech® overdrive clutch housing kit now includes more screws. Watch the video on this page to learn more.
Sonnax introduces a new drop-in modified lube flow control valve kit to solve fluid overheating and lubrication failures in Toyota/Lexus UA80E/F & UB80E/F FWD and AWD transmissions.
Sonnax releases a new oversized K3/B2 valve kit to tackle 2-3 flares, delayed Reverse, and pressure switch codes in Aisin Seiki AS68RC transmissions.
Transgo® introduces a ZF8HP/845RE SHIFT KIT® valve body repair kit that addresses the most common 8HP series GEN1 failures and shift complaints.
Rostra introduces a new internal wire harness connector to repair failed wire harnesses in 2006-later Allison 1000/2000/2400 transmissions.
Transgo® now offers an over-sized AFL valve for 6L80 transmissions. Designed for builder preference and high-mileage reliability.
TransGo® has permanently upgraded their highly popular 62TE High-Pressure Tuneless™ Valve Body Reprogramming Kit™, incorporating valuable feedback from technicians in the field to deliver even greater performance and durability.
ATSG Confirmed Fix for May: 2019 Audi A6 Quattro OCJ Dual Clutch. Vibrations and binding around turns. Learn more
ATSG In-Person Seminars for 2025! [Orlando, FL on May 17th], [Dallas, TX on Aug 16th] Learn More
ATRA has released it's 2025 seminar schedule! Upcoming dates are 1/31/2025 in Charlotte/Mooresville, NC and 2/8/2025 in Glendale, AZ. See the Full Schedule
Sonnax releases a new riveted, two-piece assembly "D" clutch hub to prevent wear from the steel core of the clutch plates in ZF8HP70/75 transmissions.
Sonnax introduces a new drop-in Zip Kit® to tackle multiple shift issues quickly and easily in Toyota/Lexus UA80E/F & UB80E/F transmissions.
Transgo has released a universal Ford cooler bypass delete kit that also works on 62TE Learn More
48RE valve body worn out? But cores are scarce and rebuilt valve bodies too expensive? Check out this cost effective solution from TransGo! CLICK HERE!
Seal Aftermarket Products is pleased to announce the immediate availability of Toledo Trans-Kit® Overhaul Kits for 2017-on 9T45, 9T50, 9T60, 9T65. More Info
Rostra offers a speed sensor and harness assembly to easily replace OE speed sensor and harness assemblies in '15-'22 GM 8L90 applications.
Seal Aftermarket Products is pleased to announce the immediate availability of Toledo Trans-Kit® Overhaul Kits for 2017-on 10L80 and 10L90. Learn More
Transgo has released a 62TE high pressure kit for shift-busy ProMaster® and passenger vans. Learn More
ATSG Confirmed Fix for April: 2020 Ford F-150, 10R80 will not move after restart. Learn more
Sonnax releases a new Sure Cure Kit featuring the best products developed to restore worn areas, enhance transmission performance, and protect against future damage in 2019-later Chrysler 68RFE applications.
Transgo® introduces a new oversized S4 regulator valve for GM 8L45 and 8L90 transmissions! It solves significant wear issues at the S4 regulator valve position. Download PDF
Transgo® now has a Billet Accumulator Piston Kit for A604, A606, 40TE, 41TE, 42LE, 62TE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, & 68RFE transmissions! Download PDF
Transgo® has a new Drop-in fix for accumulator bore wear causing 4-5-6 clutch failures and shift complaints on 6T70, 6T75, and 6T80 GEN2
Don't plug that bypass! STOP DELETING BYPASSES. Use Superior's SURE~COOL® STL010™ system TODAY! Learn more
Toledo Trans-Kit® introduced a new Overhaul Kit for Honda 2010-Up #MV2A and #B8CA 6-speed FWD transmissions. Contact your Seal Aftermarket Products representative for more details. Learn more!
Transgo® just announced a new Oversized Pressure Regulator Valve for high mileage pumps on 6L45, 6L50, 6L80, & 6L90 transmissions
Central Valve Bodies is now selling drop-in valve body components and kits! You can sign up to get updates about new product releases. Top quality valve body replacement parts - specializing in drop in applications, no reaming necessary! Learn more
ATSG intoduces the New 10R80 TechTran Manual! Available in both print and download, enjoy the manual at your fingertips or on your devices! Learn More
TRNW launched it's new iOS App! Now available in the Apple App Store!
TRNW launched it's new Android App! Now available in the Google Play Store!
Valve Body Pro is proud to introduce their latest innovation: Rebuilt Solenoid Blocks for the 5R55N/W/S, with an additional option for solenoid repair kits with Maxx Fluxx SOLPRO rebuild kits.
Seal Aftermarket Products now has the complete overhaul kit for the U250E series transmission with year coverage 2005-2009. Click here for more information
Superior now offers a valve body upgrade kit for all 6 solenoid KM's! Part #: STL-175-6. Click here for more information
Seal Aftermarket Products now has the complete overhaul kit for the AW TF 80SC series transmission with year coverage 2006-up. Click here for more information
Superior has introduced an extra thick valve body separator plate for 4R70W & 4R75W! Click here for more details!
Seal Aftermarket Products now has the complete overhaul kit for the ZF5HP19/FL/FLA series transmission with year coverage 1996-up. Click here for more information
Superior Transmission Parts is proud to announce their new A618 / 48RE LOW & REVERSE SUPER SERVO! Click here for more info!
Seal Aftermarket Products now has the complete overhaul kit for the ZF6HP26 series transmission with year coverage 2001-up. Click here for more information
G-TEC proudly announces our optional filter system for all TurboTank and G-TEC heated cooler line flushers in a ready to install kit form. Click here for more information
Seal Aftermarket Products now has the complete overhaul kit for the HONDA/ ACURA (Vue 2004-Up) 4 SHAFT, 5 SPEED series transmission with year coverage 2003-Up. Click here for more information
Seal Aftermarket Products now has the complete overhaul kit for the VW09M series transmission with year coverage 2006-up. Click here for more information