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 ...
There are few things in the world of high-performance cars that are truly reliable. One would have to be the GM TH400 automatic. As durable as this three-speed juicebox is, there is still room for ...
Following a close look for excessively worn parts, Earl Collins prepares to assemble a 3-speed Chevy transmission. This operation requires few tools, only a bit of care. Above, we find a pair of ...
GM is ending its long tradition of Allison transmissions in its HD pickups, but the Silverado MD still features a true Allison transmission. This 2026 Chevy Silverado 6500 will still have an Allison ...
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 ...
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