Preventive Maintenance
Preventive maintenance finds worn parts before they become breakdowns. For owner-operators and fleets, planned servicing is easier on the schedule than an unplanned roadside call.
- AvailabilityCalls and messages 24/7
- WhereRoadside, yard or jobsite
- CategoryHeavy-Duty Truck Repair
- On-site repairWhere feasible and safe
About preventive maintenance.
Preventive maintenance finds worn parts before they become breakdowns. For owner-operators and fleets, planned servicing is easier on the schedule than an unplanned roadside call.
A mobile mechanic can look at the unit where it stands, whether that is the roadside, a yard or a jobsite. That can avoid a tow and shorten downtime when the fault is suited to on-site work.
Part of Heavy-Duty Truck Repair.
When you might need it.
Any of these is a good reason to call and describe what the unit is doing.
Approaching a service interval or safety inspection
Small leaks, worn belts or tired batteries
A truck that has been running hard with no recent check
New fleet units that need a baseline inspection
What the service involves.
Inspection of fluids, belts, hoses, batteries and lighting
Brake and air-system checks within reach of a mobile visit
Service items such as oil and filters where required
A clear list of findings and recommended next steps
Causes and good habits.
These are possibilities, not a diagnosis. The only way to know is to test the unit.
Possible causes
- Wear that builds quietly between inspections
- Vibration and heat cycles loosening parts
- Fluid breakdown over time
Practical tips
- Walk-around inspections catch leaks and worn parts early
- Schedule service around dispatch gaps rather than waiting for a fault
What to expect.
A maintenance visit is not a substitute for a regulatory inspection. Safety-related defects may require a vehicle to stay off the road until repaired.
On-site repair depends on the fault, parts, vehicle condition, safety and service feasibility.
(437) 601-8551Before you call
- Exact location, and direction of travel on a highway
- Truck or trailer type, make and year if known
- What happened and what warnings you see
- Whether the unit is somewhere safe
- A number we can call back
From the first call to the fix.
Call or message
Tell us where the unit is.
Describe the fault
Symptoms, lights, noises, leaks.
Agree the plan
Feasibility and dispatch, discussed honestly.
Diagnose and repair
On site where it is possible and safe.
Services that often go together.
Oil & Filter Change
Regular oil and filter service is the simplest way to protect a diesel engine.
Fleet Maintenance
Fleet maintenance keeps commercial vehicles on schedule.
Brake System Repair
Brakes are the most safety-critical system on a commercial vehicle.
Battery Testing & Replacement
Heavy-duty batteries wear out, especially in Canadian winters.
Frequently asked questions.
Is preventive maintenance available for fleets?
Yes. See our fleet maintenance page, or send an enquiry describing the number and type of units.
How do I request this service?
Call (437) 601-8551 or message us on WhatsApp with your location and the issue. For non-urgent work, use the contact form.
Can every repair be done on site?
No. It depends on the fault, parts, vehicle condition, safety and feasibility.
Stranded on the Road? Let's Talk.
Tell us where your truck or trailer is located and what happened. Contact Fellows to discuss mobile repair options and next steps.
(437) 601-8551Have ready: exact location, truck or trailer type, what happened or what warnings you see, whether the unit is somewhere safe, and a callback number. Timing, dispatch and on-site repair depend on location, availability, the fault, parts and safety.