Buses carry the most valuable cargo — people. CTR provides the mechanical expertise, safety-first approach, and fast turnaround that bus operators need to keep their fleets running safely and reliably.
Bus repair demands a higher standard than any other commercial vehicle service. The cargo is people — passengers who trust that the vehicle carrying them has been maintained and repaired by technicians who understand the safety implications of every component they touch.
CTR services all bus types — transit, school, charter, shuttle, church, and paratransit. All major chassis and body manufacturers. All engine platforms. Complete mechanical service including engine, transmission, brakes, HVAC, electrical, and suspension.
Located on Armentrout Drive directly off I-85 at Exit 58. DOT inspections with passenger vehicle-specific requirements. Fleet maintenance programs for bus operators of all sizes. All repairs backed by our 3-year, 36,000-mile warranty.
Buses carry people. Every repair decision considers passenger safety as the primary factor.
Engine, transmission, brakes, HVAC, electrical, suspension — complete bus mechanical service.
Industry-leading warranty on all bus repairs. Parts and labor covered.
Transit, school, charter, shuttle, church, paratransit — every bus type serviced.
Customized PM schedules, brake tracking, HVAC prep, DOT scheduling for bus fleet operators.
Since 1995, providing the mechanical expertise bus operators depend on.
Every service starts with accurate diagnosis. Click any service for details.
Bus engines face unique challenges: extended idle time causes excessive soot accumulation in DPF systems, increased oil dilution, and accelerated coolant degradation. CTR services all major bus engine platforms — Cummins, Detroit, International, Ford, GM, Mercedes-Benz.
Full-size urban transit
Type A, B, C, and D
Prevost, MCI, Van Hool
Ford, GM, Freightliner cutaway
Congregation transport
ADA accessible vehicles
Buses carry passengers — catching problems early is not just about preventing breakdowns, it's about safety.
ECM detected emissions or engine problem. Derate limits power — critical for buses on routes.
White = coolant, Black = fuel, Blue = oil. Each indicates a different system failure.
Radiator plugging, fan clutch failure, or coolant system issue. Buses are especially susceptible.
Fuel system, glow plug, or compression issue. Extended idle worsens these symptoms.
Air system leak, compressor failure, or brake component issue. Safety-critical on passenger vehicles.
Worn linings, glazed drums, or uneven wear. Bus brakes consume linings rapidly in stop-and-go.
Worn steering components, alignment issue, or suspension wear affecting directional control.
Compressor failure, refrigerant leak, condenser plugging, or zone control malfunction.
Dim lights, parasitic drain, or intermittent failures from the complex bus electrical system.
Air bag failure, shock wear, or leveling valve issue affecting passenger comfort and ADA compliance.
Bus brake failure, steering loss, or engine fire on a vehicle carrying passengers has consequences far beyond downtime and repair cost. Proactive maintenance and immediate attention to warning signs are essential for passenger-carrying vehicles. Call CTR at (704) 786-0132.
| Service | Cost Range |
|---|---|
| Engine Sensor / Component Repair | $200–$1,500 |
| Turbo Replacement | $2,000–$5,000 |
| Transmission Fluid Service | $500–$1,500 |
| Brake Overhaul (per axle) | $1,500–$3,500 |
| HVAC Repair | $300–$3,000+ |
| Alternator Replacement | $500–$1,500 |
| Transmission Rebuild | $4,000–$12,000+ |
| Complete Engine Overhaul | $8,000–$20,000+ |
Written estimates provided before any work begins. All repairs backed by 3-year, 36,000-mile warranty.
ISB 6.7, B6.7, ISL 8.9, L9, X12, X15
DD5, DD8, DD13
A26, MaxxForce, T444E
6.7L Power Stroke, 6.8L V10 Gas
6.6L Duramax, 6.0L/8.1L Gas
OM926, OM934, OM936
Bus DOT inspections include all standard vehicle systems plus passenger-specific requirements that don't apply to trucks.
Enhanced Scrutiny: Buses carrying passengers for hire face stricter out-of-service criteria for some violations. CTR's DOT inspections cover all passenger vehicle-specific requirements.
CTR's facility on Armentrout Drive has the bay space, lift capacity, and diagnostic equipment to service buses of all sizes. OEM-level scan tools for every major engine platform. Directly off I-85 at Exit 58 with easy bus access.
CTR provides customized fleet maintenance for bus operators — transit agencies, school districts, charter companies, church fleets, and shuttle operators. Scheduled PM, brake tracking, HVAC seasonal prep, DOT scheduling, and complete documentation.
(704) 786-0132Directly off Interstate 85 at Exit 58. Easy bus access, no low-clearance areas.
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18 common questions about bus repair and maintenance, answered by our technicians.