At McCallon’s Diesel Services, we know your truck’s braking and suspension systems are critical for safety, stability, and reliable hauling. Whether you’re driving a single heavy-duty truck or managing an entire fleet, you can count on our certified diesel technicians to keep your brakes strong and your suspension steady. Serving the St. Louis Metro, St. Charles County, Lincoln County, and Warren County, we deliver dependable service designed to minimize downtime and maximize road performance.
Brake Services
Heavy loads put constant strain on your truck’s brakes. Our team provides complete brake system inspections, repairs, and replacements to ensure safe stopping power every time.
- Brake inspections & diagnostics
- Brake pad, rotor, and drum replacement
- Hydraulic & air brake service
- ABS (Anti-lock Braking System) troubleshooting
- Brake line & hose repair
- Fluid flushes & system maintenance
We use top-quality parts and proven repair methods, so you can drive with confidence knowing your truck will stop safely under any condition.
Suspension Services
A reliable suspension system is key to handling heavy hauls, protecting your load, and ensuring driver comfort. We specialize in repairing and maintaining suspension components that keep your truck balanced and smooth on the road.
- Shock & strut replacement
- Leaf spring repair & replacement
- Air ride system service
- Bushing & joint replacement
- Full suspension inspections
Whether you notice uneven tire wear, a rough ride, or steering issues, our technicians will quickly identify and fix the problem to get you back on the road.
Why Trust McCallon’s Diesel?
✔ Certified diesel technicians with years of brake & suspension experience
✔ Serving single trucks and large fleets throughout the St. Louis Metro
✔ Honest estimates, quality parts, and fast turnaround
✔ Preventative care programs to reduce costly breakdowns
Schedule Your Brake & Suspension Service Today
Don’t wait until a small problem becomes a costly repair. Contact McCallon’s Diesel Services today to schedule your brake or suspension service and keep your trucks running safely and efficiently.