AUTONATOMY · COURSE 11
11.1 · Automatic Transmission Foundation

Transmission Types, Operation & Fundamentals

Build the mental model first: why a vehicle needs ratios, how automatic transmission architectures transfer power, what changes during a shift, and how speed, torque, range selection, fluid systems and electronic controls work together.

7 lessons · 8-part explorer · architecture comparison · ratio lab · 4 application cases · 10-question check
Training boundary: This is a conceptual first-pass module. The ratio and torque calculations are idealized and omit converter slip, tire slip, hydraulic losses, clutch capacity, control strategy and many architecture-specific behaviors. It is not a vehicle-specific service procedure, pressure specification, fluid specification, towing instruction or authorization to operate a vehicle on a lift. Use current manufacturer service information and qualified supervision for real work.

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