Jon's Auto & Diesel Repair is the most reputable auto repair shop in Tomball, TX. We are honored to provide our services to drivers in the adjacent areas of Magnolia, Conroe, Spring, and Tomball. We are BMW and Ford Master Technicians, and we are ASE Certified. With proficiency, we manage light-duty diesel automobiles, European, Asian, and domestic vehicles. Our services include the following: brake repair, suspension repair, wheel alignments, engine and transmission repair, diagnostics, electrical repair, vehicle A/C and furnace repair, preventative maintenance, fleet services, and key fob programming. Additionally, we provide services for Powerstroke, Cummins, and Duramax diesel engines. We employ the most recent diagnostic equipment and Digital Vehicle Inspections to offer you reliable repairs and honest recommendations, all of which are supported by a 2-year/24,000-mile warranty.