Product Details

ATSG automatic transmission rebuild manual for the Allison 1000 and 2000

Product specifics:

• Publisher: ATSG – Automatic Transmission Service Group
• ATSG part number: ALLISON 1000/2000
• Book type: Rebuild and overhaul – Techtran manual
• Covered models: Allison LCT1000, LCT2000 – 5 & 6 speeds
• Makes: Chevrolet, GMC, Hummer, Isuzu, GM HD Trucks (Ford F650 & F750)
• Year range: 2001-2019, Generations 1, 2, 3, 4, 5
• Format: Paperback
• Pages: 160
• UPC: 852553006066
• Country of origin: USA
• Fully illustrated: Yes
• Copyright: 2017 – Revised 2022

The blue cover Allison ATSG Techtran overhaul manual for General Motors Trucks 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
• Rebuild procedures
• 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…

This transmission is known by multiple names, including Allison 1000, T-1000, LCT-1000, T1000, Allison 2000, T-2000, LCT-2000, T2000, Allison 2400, T-2400, LCT-2400, and T2400.

The Allison LCT-1000 transmission was found in the heavier GM, Chevy, and GMC truck models from 2001-up with the 6.6L Duramax diesel or the 8.1L gas engine. These transmissions are also found in the larger Isuzu trucks with the 7.8L Diesel. The T-1000 Allison was in the 8.1L GM trucks as an option. The Allison can be identified by its external fluid filter.

The following models were fitted with the Allison LCT1000 transmission:

• Chevrolet Silverado 2500 HD, 2001-up
• Chevrolet Silverado 3500, 2001-up
• Chevrolet Silverado 3500 HD, 2001-up
• Ford F-650 & F-750, 2006-2010
• GMC Sierra 2500 HD, 2001-up
• GMC Sierra 3500, 2001-up
• GMC Sierra 3500 HD, 2001-up
• Hummer H1, 2006
• Isuzu FTR Diesel 2005-2009
• Isuzu FVR Diesel 2005-2009
• Isuzu HTR Diesel 2005-2008
• Isuzu HVR Diesel 2005-2008

This Allison transmission rebuild guide covers the following years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, and 2019

ATSG, or Automatic Transmission Service Group is the leader in informational guides for nearly all automatic transmission. The books they produce are the best on the market and used by rebuild, service shops around the world.