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Transmission issues can bring your route to a halt — but not with CDEE by your side. We provide expert manual and automatic transmission rebuilds in California’s freight corridor, servicing trucks daily across Hwy 99 and Hwy 152 from Modesto to Gilroy. Whether it’s clutch slippage, delayed shifting, leaks, or gear codes, our certified technicians restore transmission systems to like-new condition. We use high-quality parts, perform full diagnostics, and test performance before handing your truck back. Our team goes beyond quick fixes — we rebuild for durability, fuel efficiency, and minimal downtime. For owner-operators and fleet managers alike, our diesel transmission repair services are designed to keep your truck or fleet operating at peak efficiency on California roads.

At California Diesel Electromechanical Engineering, we don’t just fix trucks — we restore performance. With fast response times, certified diagnostics, and a focus on long-term reliability, CDEE is the trusted name along Hwy 99 and Hwy 152 for commercial diesel repair.

•  Rapid Response Across California’s Freight Routes
•  Certified Technicians & Deep Diagnostics
•  Fleet-Focused, Performance-Driven Service