JH Diesel

Transmission repair and rebuild shop in St. Peters MO. We offer FREE transmission diagnostics without taking your transmission apart. Ask about our 5 yr, 100,000 mile transmission warranty. ASE certified techs provide expertise in transmission rebuilds, check engine light service, transmission flush or fluid changes, drivetrain repair, cv axle or joint repair, transfer case repair, differential repair, fleet repair service, cvt transmission repair and more. Need transmission financing? We offer 90 days same as cash. Just ask transmission mechanics who are continuously trained with the latest techniques.Located in St. Peters, MO, but serve many customers from St. Charles, O'Fallon, Lake Saint Louis, Wentzville, Chesterfield, Maryland Heights, Creve Coeur, Overland, Florissant and beyond.

We are the experts in transmission repair and complete car care - clutches, brakes, factory scheduled maintenance, electrical, check engine lights, radiators, overheating problems, a/c and more.