When we first rolled our 2002 Chevy Silverado 2500HD into the bay at PPE Diesel's shop in Montclair, California, we thought for sure the transmission was toast. Interestingly, upon inspection it was ...

The progressive build of our ’07 Chevy 2500 Duramax diesel project truck was much like the average diesel owner might experience. We began with suspension upgrades and added a tuner, followed by ...

In early August, GM finally opened a gap in the floodgates when it released a revised valve body and updated repair procedure ...

This video showing a Chevy Silverado’s heavy-duty Allison transmission undergoing a rebuild will leave you in awe of the sheer complexity of it all. Automatic transmissions are the most fascinating ...