Coolant System Repair
Overheating can damage an engine quickly. Coolant system repair targets leaks, failed components and low-coolant conditions so a truck can be made safe to drive or moved for further work.
- AvailabilityCalls and messages 24/7
- WhereRoadside, yard or jobsite
- CategoryHeavy-Duty Truck Repair
- On-site repairWhere feasible and safe
About coolant system repair.
Overheating can damage an engine quickly. Coolant system repair targets leaks, failed components and low-coolant conditions so a truck can be made safe to drive or moved for further work.
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.
Temperature gauge climbing or overheating warnings
Visible coolant leaks or puddles
Low coolant alarm that keeps returning
Steam from the engine bay
What the service involves.
Locating the source of the loss
Checking hoses, clamps, the radiator, water pump area and caps
Replacing accessible failed parts and refilling coolant
Checking the system after repair
Causes and good habits.
These are possibilities, not a diagnosis. The only way to know is to test the unit.
Possible causes
- Hose, clamp or radiator leaks
- Failed water pump or thermostat
- Low coolant from a slow, unnoticed leak
Practical tips
- Check coolant level when the engine is cold
- Never open a hot cooling system
What to expect.
Stop driving a seriously overheating engine. Do not open a hot cooling system. Call us from a safe location.
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.
Radiator & Hose Repair
A split hose or leaking radiator can end a trip in minutes.
Belt & Hose Replacement
Drive belts and hoses are wear items.
Engine Diagnostics & Troubleshooting
When a heavy-duty engine derates, stalls, loses power or throws fault codes, finding the actual cause matters more than clearing a light.
Engine Repair
Engine repair covers the faults found after diagnosis, from leaking components and failed accessories to problems that affect how the engine runs.
Frequently asked questions.
My truck is overheating. Should I keep driving?
No. Pull over safely, shut down and call. Continued driving can cause severe engine damage.
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.