Product Details

Rebuild manual for the GM 6L80 and 6L90 automatic transmission.

Product specifics:

• Publisher: ATSG – Automatic Transmission Service Group
• ATSG part number: 6L80E
• Book type: Rebuild and overhaul – Techtran manual
• Covered models: 6L80, 6L80E, 6L80-E, MYC, 6L90, 6L90E, 6L90-E, MYD
• Makes: GM, Cadillac, Chevrolet, GMC, Hummer, and Pontiac
• Year range: 2006-up
• Format: Paperback
• Pages: 120
• UPC: 852553006042
• Country of origin: USA

The blue cover 6L80 ATSG overhaul manual covers procedures and technical service information for transmission inspection, repair, dis-assembly, assembly, diagnosis, and troubleshooting.

This book contains detailed information regarding the following:

• Bushing locations
• Checkball locations
• Clutch clearance specifications
• Electrical volt and ohms information
• Endplay check and recommendations
• Exploded views
• Line pressure check procedures and specs
• Recommended tools list – Not all required
• Thrust washer locations
• Torque specifications
• Torrington bearing locations
• Transmission model application codes
• Trouble codes and fixes
• Trouble shooting
• Valve body assembly detail for valves and springs
• Much more…

These transmissions can be found in the following vehicles; however, you should double check your application. It is common for similar vehicles to have multiple transmission options available from the factory.

Cadillac

• CTS 6.0L 2007-2009
• Escalade, EXT, ESV 2007-2015
• STS-V V8 Supercharged 2006-2011
• XLR 2006-2009

Chevrolet

• Avalanche 1500 2009-2012
• Camaro V8 naturally aspirated 2009-2015
• Caprice 2009-2013
• Colorado 5.3L 2008-2012
• Corvette 2007-2014
• Express Van 1500 2009-2017
• Silverado Truck 1500, 2500 2008-2021
• Suburban 1500 2009-2020
• Tahoe 2009-2020

GMC

• Canyon 5.3L 2008-2012
• Savana Van 2500 2009-2017
• Sierra Truck 1500, 2500 2008-2021
• Yukon 2009-2020
• Yukon XL 1500 2009-2020
• Yukon Denali 2007-2015

Hummer

• H2 2008-2010
• H3 5.3L 2008-2011

Pontiac

• G8 V8 2008-2010

These transmissions are part of the Turbo Hydramatic or Hydra-Matic series and known by the following codes and part numbers: 6L80, 6L80E, 6L80-E, MYC, 6L90, 6L90E, 6L90-E, MYD.

This transmission rebuild guide covers the following years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, and 2021.