Our Services


24/7 Mobile Truck Repair
Breakdown on the road? Youβre never alone.
Our mobile techs are dispatched within minutes, covering everything from Barrie to Sarnia.
Emergency Roadside Services
β No-start repairs
β Battery boosts
β Air leaks
β DPF Regeneration Services
β Coolant leaks
β Electrical Issue Assessment
β MTO Safety Violation Repair


Diesel Engine Diagnostics & Repair
Your diesel engine is the heart of your business. When it fails, downtime costs you money. Our technicians use OEM-level diagnostic tools to accurately identify and repair engine issues for all major engines: Cummins, Detroit, Volvo, Paccar, CAT, Mercedes, International, Mack, and more.
Common Engine Issues We Repair
β Engine derate & shutdown
β Hard start / no start
β Loss of power & fuel inefficiency
β Excessive smoke (black/blue/white)
β Turbo, fuel system & injector issues
β Overheating & cooling failures
β Full in-frame & out-of-frame rebuilds
Why Choose Uptime for Engine Repair?
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Dealer-level diagnostics
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Accurate troubleshooting = lower repair costs
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Fast turnaround for minimum downtime
π Book Engine Service: (905) 450-0313


Electrical Diagnostics & Computer Programming
Modern trucks rely heavily on electrical systems. Electrical faults require expertise β not guesswork.
Our techs specialize in ECM, ABS, wiring, multiplexing, CAN bus networks, and aftertreatment electronics.
We Fix Electrical Issues Including:
β ABS / EBS faults
β ECM / ECU failures
β Wiring shorts & open circuits
β Lighting & trailer wiring
β Battery, alternator & starter issues
β CAN bus / J1939 communication faults
β DPF, DEF & EGR electronics
Why Uptime Leads in Electrical Repair
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OEM diagnostic tools
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Fast, accurate electrical troubleshooting
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Repairs done correctly the first time
π Electrical Service: (905) 450-0313


Transmission, Clutch & Driveline Repair
We repair manual, automatic, and automated manual transmissions (AMT) for all heavy-duty trucks:
Eaton Fuller, Allison, Detroit DT12, Volvo I-Shift, Mack mDrive, etc.
Transmission Services
β Manual transmission repair
β AMT diagnostics
β Clutch adjustments & replacements
β Shifting problems & slipping
β Transmission leaks
β Rebuilds when required
Driveline Services
β U-joints
β Driveshaft repairs
β Carrier bearings
β Differential rebuilds
Warning Signs
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Grinding
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Clutch slipping
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Hard shifting
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Highway vibration
π Transmission Service: (905) 450-0313


Brake, Suspension & Steering Repair
Safety depends on strong braking, stable suspension, and responsive steering.
We ensure your truck is road-safe and compliant.
Air Brake Repair
β Air leaks
β Brake chambers
β Slack adjusters
β S-cams & bushings
β ABS diagnostics
Suspension Repair
β Airbags
β Shocks
β Bushings
β Leaf springs
β Ride height corrections
Steering Repairs
β Kingpins
β Tie rod ends
β Drag links
β Steering box adjustment
π Book Brake/Suspension Service: (905) 450-0313


DPF, DEF & EGR After treatment Repair
Aftertreatment failures cause derates, shutdowns, high fuel consumption, and major downtime.
We diagnose the true cause, not just the fault code.
Common Issues We Fix
DPF
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Regen failure
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Clogged DPF
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Differential pressure faults
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Temperature sensor issues
DEF
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No DEF dosing
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Crystallization
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DEF pump faults
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Level sensor failures
EGR
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Sticking valves
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Cooler leaks
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Flow efficiency faults
Prevent derate β Fix the system β Get back on the road.
π Aftertreatment Service: (905) 450-0313


Cooling System & HVAC Services
Overheating can destroy an engine. HVAC failures affect driver comfort and safety.
We repair all cooling and climate systems.
Cooling System Services
β Radiators
β Hoses
β Coolant leaks
β Water pumps
β Thermostats
β Overheating diagnostics
HVAC Services
β AC recharge
β Blower motors
β Heater issues
β AC compressor replacement
π Cooling/HVAC Service: (905) 450-0313


Preventative Maintenance (PM) & Fleet Programs
Downtime is expensive β PM programs save fleets thousands per year.
We customize PM schedules for owner-operators, small fleets, and large carriers.
PM Services
β Oil & filter changes
β Chassis lube
β Brake & suspension inspections
β Drivetrain checks
β Aftertreatment checks
β Computer diagnostics
β Tire inspections
Fleet Benefits
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Lower repair costs
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Fewer breakdowns
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Better fuel efficiency
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Priority scheduling
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Detailed fleet reporting
π Set Up a Fleet Program: (905) 450-0313


Annual MTO/DOT Safety Inspections
We provide certified safety inspections for trucks, trailers, buses, and fleets β with unbeatable pricing and fast turnaround.
Inspection Covers:
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Brakes
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Suspension
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Steering
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Tires & wheels
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Frame integrity
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Lighting & electrical
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Exhaust & emissions
Why Companies Choose Uptime
β Best pricing in Ontario
β Same-day repairs
β Fleet discounts
β Full digital report
β Compliance guaranteed
π Book Your MTO/DOT Safety: (905) 450-0313
Years of Service
Repairs Completed
Roadside Support
Your Uptime is our priority.


Serving All Major Ontario Trucking Regions
We provide mobile and in-shop service across:
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Mississauga
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Brampton
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Caledon
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Bolton
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Woodstock
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Cambridge
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Kitchener
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Guelph
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London
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Barrie
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Sarnia
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Hwy 401, 403, 407, 410 corridors
Wherever your truck breaks down β Uptime comes to you.
What Our Customers Say?
Ontarioβs Most Trusted Truck Repair
Proudly Recommended by Drivers

Need Service Now?
β Fast turnaround β Fair Pricing β Certified 310T technicians β Fully equipped mobile units
Call Now: (905) 450-0313
