ATSG GM Allison 10L1000 TechTran Manual
The ATSG GM Allison 10L1000 TechTran Manual provides detailed technical information for servicing the 10L1000 10-speed automatic transmission. Designed to guide technicians through complete transmission teardown and assembly, this manual also includes diagnostic information to assist with troubleshooting and repair.
Introduced for the 2020 model year, the GM-manufactured 10L1000 is used in Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks equipped with 6.6L diesel or gas engines. The transmission features four planetary gear sets, six multiple-disc clutches, an off-axis variable vane pump, and an externally mounted transmission control module (TCM).
Key Features
- Detailed 10L1000 transmission teardown and assembly procedures
- Includes diagnostic and troubleshooting information
- Covers internal components, hydraulic systems, clutch operation, and geartrain design
- Covers the 10 forward speeds and reverse operation
- Includes information on the externally mounted TCM and four-speed-sensor system
- Applicable to two-wheel-drive and four-wheel-drive configurations
- Covers PTO and non-PTO transmission configurations
- Based on an RPO MGM PTO-equipped 10L1000 transmission
Benefits
This manual provides technicians and transmission builders with a comprehensive reference for understanding, diagnosing, disassembling, and rebuilding the GM 10L1000 transmission.
Applications
Designed for the GM 10L1000 transmission introduced in 2020 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks with the 6.6L Duramax diesel or 6.6L gas engine. Covers RPO codes MGM, MKM, and MGU, including PTO and non-PTO configurations.
