This is a MUST DO when rebuilding a 6L80-6L90 transmission!!! Gonna tell you how it’s done and why.

What a joke this is people!!! We have barely 70k miles on this 6L80E and of course it’s not good!!!

Fix it before this happens!!! Learn the common FAILURES in your 6l80e transmission...

Sonnax 6L80/90 Torque Converter Heavy-Duty Builds Explained

6L80E leave it to the pro’s...

The Basic Parts of an Automatic Transmission (Part 1)

GM 6L80 & 6L90 Transmission Upgrade Options for the 4-5-6 Clutch

GM 10L80 and Ford 10R80 Transmission Overhaul

I Expertly Repair Broken Fiat Tractor Wheel Axle Most Amazing Technique // Must Watch This Video 

Building it back better that’s the key!!! 6L90-6L80 Tons of upgrades for these units use them.

Man Fully Assembles Mercedes TRUCK ENGINE Perfectly | Start to Finish by @trucks_channel_razborgruz

Learn About Transmission Synchro Rings

HP Tuners and the 6L80 - What does it actually change? Part one - intro and what you need to know!

High Performance 6L90 assembly #SONNAX upgrade's.

It’s a Build video

Rebuilding the 6L80 Transmission - Special Tools

6L80/4L80 Transmission Swap on a 2010 Silverado - Truck Tech S3, E11

6L80E The real cause of failure And how to address them.

Sonnax 6L80, 6L90 Remanufactured TEHCMs for Top-Quality, Affordable Repairs

6L80 6L90 Rebuild Full Length of Disassemble, Clean, Reassemble with comments.

This is the video you all NEED to see!!! 6L90e review, tear down, & how to fix it’s common failures.