- Aamco Transmission Centers - Fixing manual, or automatic transmissions.
- How to Check a Transmission - Illustrated advice on how to check a manual or automatic transmission.
- Pre 1929 Vintage Chevrolet Transmissions - Provides instructions for teardown, inspection, repair and assembly of Pre WW-II Chevrolet Transmissions. Lists replacement part numbers, information on Johnson Overdrive and a source page listing over 30 dealers for all types of Chevrolet related items.
- A Short Course on Automatic Transmissions - Long article explaining the concepts behind modern automatic transmissions and their repair.
- The Transmission Rebuilders Network - World-class transmission rebuilders from around the world interacting on transmission diagnostics and repair.
- Understanding Automatic Transmissions - What to do when your automatic transmission does not work, or if it does work, how to keep it working. Also, a description of engine and transmission theory.