School Bus Services
LP fuel system and DPF specialists — and everything else your fleet needs to stay on the road.
Fleetside Mobile Service brings certified technicians directly to your yard. No towing, no shop drop-off, no disruption to your routes. We specialize in LP (propane) fuel systems and DPF repair, and provide full-service maintenance and repair for school bus fleets of all sizes.
Our Core Specialty
LP Fuel System Service
Fleetside is built around LP fuel systems. We have deep expertise in propane-powered school buses — the fuel systems, the safety protocols, and the unique maintenance demands that come with running an LP fleet.
- Tank inspection, testing, and recertification
- Fuel line integrity checks and leak detection
- Regulator and valve service and replacement
- Fuel injector cleaning and calibration
- Autogas fueling system inspection
- LP-specific engine diagnostics and tuning
- Emergency LP fuel system repairs
Diesel Particulate Filter Experts
DPF Repair & Troubleshooting
DPF issues are one of the most common — and most disruptive — problems for diesel school bus fleets. We diagnose and repair DPF systems on-site, getting buses back in service fast without the cost of a shop visit or filter replacement when cleaning will do.
- DPF fault code diagnostics and root cause analysis
- Forced regeneration and regen cycle troubleshooting
- DPF cleaning and flow testing
- EGR system inspection and repair
- DOC (diesel oxidation catalyst) service
- SCR and DEF system diagnostics
- Sensor replacement (pressure, temperature, NOx)
- Post-repair verification and documentation
Stay Ahead of Breakdowns
Preventive Maintenance
Scheduled preventive maintenance is the most cost-effective way to keep your fleet reliable. We work around your routes and schedule — buses don't need to leave your yard.
- Oil and filter changes
- Fluid level checks and top-offs
- Belt and hose inspection
- Battery and charging system checks
- Tire pressure and tread inspection
- Lights, signals, and safety equipment checks
- Full pre-trip and post-trip inspection support
No Shortcuts on Safety
Brake Service
Brakes are non-negotiable. Our technicians are trained on the air brake and hydraulic systems used across the school bus makes and models your district operates.
- Brake pad and shoe replacement
- Drum and rotor resurfacing and replacement
- Air brake system inspection and repair
- Hydraulic brake line service
- Brake chamber and slack adjuster service
- ABS diagnostics and repair
Diesel and LP Engine Expertise
Engine & Drivetrain Repair
From minor tune-ups to major engine work, our technicians are trained on the diesel and LP engines your fleet runs. We diagnose accurately and repair right the first time.
- Engine diagnostics and fault code analysis
- Tune-ups and ignition system service
- Cooling system repair and flush
- Transmission service and repair
- Exhaust and emissions system service
- Starter and alternator replacement
Stay Compliant, Stay Running
DOT Inspections
Annual and pre-trip DOT inspections performed on-site at your facility. We help your fleet pass audits, avoid violations, and maintain the documentation your district needs.
- Annual DOT safety inspections
- Pre-trip inspection support and training
- Inspection documentation and recordkeeping
- Defect identification and same-day repair
- LP fuel system compliance checks
- Audit preparation assistance
Why Districts Choose Fleetside
We Come to You
No towing, no shop drop-off. We service your fleet at your yard, your depot, or wherever your buses are.
LP Fuel & DPF Expertise
Most mobile mechanics don't specialize in LP systems or DPF repair. We do — it's the foundation of everything we do.
Certified Technicians
Every technician is certified, background-checked, and trained on the makes and models school districts run.
DOT Compliant Work
All repairs and inspections meet DOT standards. We document everything so your records are always audit-ready.
Need Service for Your Fleet?
Contact us to schedule on-site service. We respond within one business day.