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

TRNW launched it's new iOS App! Now available in the Apple App Store!
Sonnax introduces a new heavy duty intermediate overrun clutch outer race for GM TH350/C performance vehicles. It delivers twice the torque capacity of any OE or other aftermarket race for unrivaled reliability at any power level.
Raybestos® Powertrain introduces a TREMEC TR-9080 DCT Transmission GPZ Friction Clutch Pack Module designed to enhanced performance beyond OE capabilities! The RGPZ-277 friction clutch module features 5 K1 and 6 K2 GPZ TR-9080 transmission friction clutch plates. GPZ friction material is a performance proven friction material in the TR-9080 and was featured in prototype testing in the first 2020 C8 Corvette to achieve 1000 horsepower and a 9 second 1/4 mile track time.
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The NEW 2020 Dura-Bond Transmission Catalog is now available for download. CLICK HERE to download!
Dura-Bond decided to put this video together to address some of the questions and concerns that we have heard from you guys at the transmission seminars, trade shows, and even from this group.
Transmission Fixes - "You Asked, We Listened"
Sonnax announces a new oversized C2 apply control valve kit to restore the necessary hydraulic clearances required for proper valve function in Toyota/Lexus U660E/F and U760E/F transmissions.
Here is a "Teaser" for the upcoming Dura-Bond Video Series "Race Proven...Time Tested", Hosted by William Dolak! CLICK HERE
Raybestos® Powertrain Receives 2017 GM Supplier Quality Excellence Award! Click Here for more information
TRNW launched it's new Android App! Now available in the Google Play Store!
Raybestos® Powertrain introduces 48RE TorqKits! With an enhanced shift feel, increased torque capacity and smooth engagements, drop-in Torqkits are designed to help tear up the drag strip.
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Sonnax releases two new aluminum flange yokes that fit most '05-'16 Ford F-250/350/450/550 Super Duty models. Coupling these yokes together with an aluminum driveshaft is the best way to dramatically lower rotating mass, without sacrificing strength or performance.
· Front Flange Yoke
· Rear Flange Yoke
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
Raybestos Powertrain jump starts "Race With Raybestos" customer reward program! Click here for more information!
Sonnax unveils a new 4C retaining ring and shim kit to prevent the 4C return spring retaining ring in Chrysler RFE transmissions from popping off. It also offers more options when setting clutch clearance, and improves 4C to OD shift timing.
Raybestos unveils superior friction plate for Honda transmissions! 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!
Sonnax announces a new Forward (rear) clutch retainer made from high-strength 4140 steel. It's a direct replacement for OE part number 52854149AA used in Chrysler 46RH/RE, 47RH/RE and 48RE applications, and can also be used to service older applications.
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!
Sonnax introduces a new oversized main pressure regulator valve kit to overcome low pressure, delayed engagement, push belt slippage, and solenoid performance codes in Jatco/Nissan JF016E (RE0F10D) and JF017E (RE0F10E) transmissions.
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
Sonnax offers a handy vacuum test plate kit for fast, easy, accurate testing on Ford 4R70E/W, 4R75E/W and AODE valve bodies.
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
Sonnax offers a precision-engineered heavy duty input shaft for unrivaled performance in high-horsepower Ford 4R70E/W, 4R75E/W and AODE transmissions.
Seal Aftermarket Products now has the complete overhaul kit for the VW09M series transmission with year coverage 2006-up. Click here for more information
Sonnax offers a direct-OE-replacement, 8-piece bearing kit for Toyota/Lexus U760E/F transmissions. A rear cover bearing is also available separately.
Seal Aftermarket Products now has the complete overhaul kit for the Chrysler 62TE series transmission with year coverage 2007-up. Click here for more information
Sonnax offers a heavy duty stator shaft kit to address a common failure point in Dodge trucks with AS68RC transmissions - a stator shaft that has spun in the pump cover. Capable of withstanding 15% more torque than OE shafts, this shaft allows you to save the pump and complete repairs for a fraction of the cost of a new pump.