Monster Transmission Blog: Transmission Tech, Upgrades & How-To Content

6L80 / 6L90 TEHCM Guide: Common Failures, Tag IDs, and Year Differences GM Trucks & SUVs • Camaro / Corvette • Cadillac • 6L80 / 6L90 • Monster TEHCM Reference The 6L80 and 6L90 TEHCM (Transmission Electro-Hydraulic Control Module) is the brains and hydraulics of your GM six-speed automatic. It’s...

10R80 Transmission Install Guide (Ford F-150, Expedition & Transit) Ford F-150 • Expedition • Transit • 2WD/4WD • StreetMonster Series This is the complete walkthrough for installing a Monster StreetMonster 10R80 transmission and converter. It combines Ford’s OE steps with Monster-verified torque specs, fluid setup, and adaptive learn procedure for...

6L80E / 6L90E Transmission Install Guide (GM Trucks & SUVs) Chevy Silverado/Sierra • Tahoe/Yukon/Suburban • Camaro/Corvette • 2WD/4WD • StockMonster • StreetMonster • SportMonster • TrackMonster This is the streamlined, shop-tested walkthrough for installing a Monster 6L80E/6L90E in late-model GM trucks/SUVs and select cars. It blends the factory-correct sequence with...

Installing a 68RFE the Right Way: Complete Step-By-Step + Relearn, Fluids & Troubleshooting If you’re putting a new or reman 68RFE into a Ram with the 6.7L Cummins, the install process matters as much as the parts. Most failures we see after an install trace back to three things: dirty...