If you've ever installed an automatic transmission, you know that setting the TV cable adjustment to achieve the correct standard internal line pressure and proper shifting is extremely important.

The Chevrolet small-block engine was a brilliant piece of engineering, attested by the fact that well over 100,000,000 have been built. However the first generation was not as oil-tight as later ...

The transmission valve body is among the most important components of your vehicle's transmission system, yet it often goes unnoticed until something goes wrong. As a key player in the functionality ...

Note that the 10-speed and Allison-branded 10-speed automatics used in the Silverado HD and Sierra HD use a different valve body. Prior to the Gen 3 part, GM was running the Gen 1 valve body (part ...