Automatic Transmission” provides comprehensive coverage of modern technologies, structured to guide the technician from problem identification to final repair.

Key Topics Covered:

• Fundamentals and Types: Hydraulic principles and comparative analysis of AT, CVT, and DCT/DSG systems.
• Key Components: In-depth study of the torque converter, planetary gear sets, valve bodies, and mechatronics.
• Electronic Control: The role of the TCU, sensor interpretation (speed, temperature), and solenoid operation (PWM, On/Off).
• Systematic Diagnostics: Methodology from the customer interview to road tests, DTC scanning, live data analysis, and hydraulic tests (pressure, “stall”).
• Rebuilding: Step-by-step procedures for disassembly, wear inspection, and reassembly of clutch packs and valve bodies.