Your Fleet, On the Move. We Bring the Shop to You.
Changes on the Fly is the Greater Toronto Area’s leading mobile mechanic and fleet service provider. Serving businesses and vehicle owners from Oshawa to Burlington and Lakeshore to Aurora, we eliminate the logistical headache of traditional repairs.
With a fleet of 25 fully equipped service trucks and a dedicated support facility, we deliver preventative maintenance, diagnostics, and major repairs directly to your yard, job site, or office. As your strategic partner, we do more than fix engines—we maximize uptime, slash operational costs, and simplify fleet management. From hands-on mechanical work to expert administrative support, we provide the transparency and consultation you need to keep your operations running at peak efficiency.
25 Service Trucks
Fully equipped mobile units deployed across the GTA.
Dedicated Repair Facility
Built to handle larger and more complex repairs.
Passenger to Medium-Duty
Service support across multiple vehicle types.
Same / Next-Day Service
Fast response when scheduling allows.
How it Works
Simple. Efficient. Reliable.
Book Service
Schedule maintenance or repairs through our dispatch team.
We Come to You
A fully equipped technician arrives where your vehicles are located.
Back on the Road
Work completed efficiently with clear documentation and reporting.
Clear communication from dispatch to completion.
Explore our full range of onsite maintenance and repair services
Mobile Services That Keep Vehicles Moving
- Oil Changes
Preventative oil and filter service delivered onsite to extend engine life and reduce downtime.
- Tire Repair & Replacement
Onsite tire repairs and replacements to keep fleet & personal vehicles safely on the road.
- Brake Service & Replacement
Inspection, repair, and replacement of brake components to maintain safety and compliance.
- Vehicle Diagnostics
Advanced diagnostic testing to quickly identify mechanical and electrical issues.
- Battery Services
Battery testing, replacement, & electrical system checks for reliable starts.
- Glass Repair & Replacement
Windshield and glass repair or replacement to support safety and roadworthiness.
Need something not listed? Contact our dispatch team to confirm availability.
Who We Work With
Fleet Managers
Reduce downtime, simplify maintenance coordination, and keep better records with onsite service built around your operation.
- Preventative & on-demand service
- Technician notes, photos, & service records
- Works within your existing systems
Retail Customers
Get trusted maintenance and repair services at your home or workplace without the inconvenience of a traditional shop visit.
- Convenient onsite service
- No waiting rooms
- Fleet-grade technicians