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When your diesel truck or heavy-duty pickup needs transmission or engine work, the price tag often grabs your attention first. It’s tempting to go with the cheapest option available, especially when budgets are tight. But in my experience as a family-owned, veteran-owned transmission and diesel repair shop, cutting corners on repairs almost always leads to bigger problems down the road. Choosing the best repair option might cost more upfront, but it saves you time, money, and

Sonnax 10L1000 Low Feed Limit Valve: The Fix That Lasts We see these 10 speed GM trucks every week. The same problems repeat. P0747...

Valve body problems, symptoms, and how G3 Transmission fixes them Modern 10-speed transmissions deliver great drivability when the hydraulics are healthy. When the valve body leaks or key circuits wear, you get shudder, harsh or delayed shifts, limp mode, and codes. Below are the most common failures in the GM 10L80, Ford 10R80, and Ford 10R140 valve bodies, and the upgrades we use to solve them the right way.

he GM 10L1000 transmission is one of the most advanced heavy-duty 10-speed automatics on the market. But along with that sophistication comes a long list of issues. Harsh shifting, converter shudder, and the infamous P0747 “Pressure Control Solenoid Stuck On” code are just a few of the problems tied directly to weaknesses in the factory valve body and pump. At G3 Transmission, we have developed a complete process for rebuilding and upgrading the 10L1000 valve body.