Highway 99 Diesel and Auto Repair is a trusted and comprehensive mechanic shop specializing in both diesel and gas engines. The skilled technicians handle everything from routine maintenance like brakes, A/C repairs, and oil changes to more complex work on fuel systems, turbos, and custom modifications or fabrication. Reviews highlight the team as exceptional, knowledgeable, honest, and super helpful. Customers report feeling that the staff is friendly, not pushy, and dedicated to getting vehicles back on the road running better than before. The business is noted for its great service and understanding attitude, earning strong recommendations from those who have used it.
Very professional, knowledgeable, efficient, and affordable service. Had an unexpected mechanical issue on the highway. They did great work, and got me back on the road quickly.
April 2026
They saved the day! We have a diesel Class B RV and started getting a warning that the oil level was too high while just starting out on a roadtrip😳 They took the time to drain some oil and get us back on the road. Very much appreciated.
January 2026
My go to fornall my mechanical and maintenance needs that I can't do or just dont have time to do it.
