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Common Breakdowns

Your Dependable Mack Truck Repair Facility!

It’s always frustrating, you are on the road, and just about finishing your haul, you just want to get your cargo unloaded and head home, then BOOM! Your rig is broken on the side of the highway! Not only are you losing precious downtime, but it’s backing up your whole schedule and costing you money! We get it… the most costly time for you is downtime when you are out in the field and you just want to get your Mack up and running and on the road again. 

We here at Coppertop offer a variety of maintenance and servicing for Mack trucks in Northern Alberta and surrounding Edmonton, such as but not limited to:

  • Battery Inspecting & Replacement
  • Tire Inspection, Replacement & Service
  • Air Filter Inspection & Replacement
  • Fluids inspection & top-ups
  • Oil Change & Lube Service
  • Belt Inspection & Replacement
  • Fuel Filter Check
  • Exhaust & Diesel Particulate Filter (DPF) Service
  • Complete Electrical Inspection and Servicing
  • Overheads 
  • Trailer Inspections & Servicing
  • Fleet Maintenance and Servicing
Mack Truck Repair

GET YOUR TRUCK RUNNING AGAIN

Done right the first time and fast!

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Common Commercial Mack Truck Breakdowns

Braking issues on a commercial truck

Brake-related problems can lead to costly repairs at best or more importantly cause safety concerns and vehicular accidents. A truck’s disc and drum brakes are exposed to consistent heat, pressure, and friction, which means they wear down without the right maintenance. Brake issues are usually related to things like external corrosion and wear, minor leaks, and internal water contamination that causes airlines to freeze during the colder months.

Tire repairs and challenges on a heavy-duty truck or trailer

When it comes to physical issues with your truck, tires are typically considered to be the most important components of any vehicle. A simple flat really isn’t that simple and can sideline a truck for hours. Tires are the leading cause of truck problems for drivers, making up around 1/2 of all roadside failures. These failures are related to under inflation, low tread depth, or misaligned axles. Always make sure to have each of your tires inspected thoroughly before you hit the road and look for those issues.

Electrical problems in a commercial truck

Electrical systems in a heavy Duty Truck are made up primarily of the starter motor, alternator, and battery. If one or more of these mechanical parts fails to function properly, your truck can’t continue on. Signs that your problems related to your electrical are things like flickering lifts or lowering or dimming lights, dead batteries, unusual burning or weird plastic smells, and clicking sounds when the engine starts up.

Looking for more information on repair your International Truck? Here are some additional resources:

At Coppertop Truck Repair, your fleet’s efficiency is our priority. Our mobile service trucks bring repairs directly to you, complemented by our mobile truck and trailer repair services in Edmonton. For more extensive repairs, visit our heavy duty repair shop, where we specialize in truck repairstrailer repairs, and high-quality welding services. We also offer CVIP inspectionsfleet maintenance solutions, and diesel engine repair services.

Frequently Asked Questions 


What are the most common breakdown issues in Mack trucks?

Common Mack truck breakdowns include brake system problems, electrical failures, engine overheating, transmission issues, and tire blowouts. These issues often develop due to heavy-duty operation, high mileage, or lack of routine maintenance.

Why won’t my Mack truck start?

A Mack truck may not start because of a dead battery, faulty alternator, starter motor failure, or electrical wiring issues. Cold weather and corroded battery connections can also contribute to starting problems.

What electrical problems are common in Mack trucks?

Mack trucks commonly experience electrical issues such as battery drain, alternator failure, damaged wiring, blown fuses, and grounding problems. These faults can lead to warning lights, power loss, or intermittent electrical behavior.

What causes engine overheating in Mack trucks?

Engine overheating is usually caused by low coolant levels, radiator blockages, failing thermostats, water pump issues, or damaged cooling hoses. Ignoring overheating can result in severe engine damage.

How do brake problems affect Mack truck safety?

Brake problems such as worn brake pads, damaged drums, air system leaks, or frozen air lines reduce stopping power and increase safety risks. Regular brake inspections are essential to maintain safe operation.

How do tire issues lead to Mack truck breakdowns?

Underinflated tires, uneven tread wear, misalignment, and road debris can cause blowouts or rapid tire failure. Routine tire inspections help prevent roadside breakdowns and improve overall performance.

Do Mack trucks require specialized repair services?

Yes, Mack trucks are heavy-duty vehicles that require specialized diagnostic equipment, manufacturer-approved procedures, and experienced technicians to ensure accurate and long-lasting repairs.

How can I prevent frequent Mack truck breakdowns?

Preventive maintenance such as regular inspections, fluid changes, electrical system testing, and brake and tire maintenance helps reduce unexpected breakdowns and extends the life of your Mack truck.

Are mobile Mack truck repair services available?

Many professional truck repair providers offer mobile Mack truck repair services, allowing certified technicians to perform on-site repairs and emergency breakdown assistance without towing.

How often should Mack trucks receive routine maintenance?

Mack trucks should follow manufacturer-recommended maintenance intervals based on mileage, engine hours, and operating conditions. Consistent maintenance improves reliability and reduces downtime.

What warning signs indicate my Mack truck needs immediate repair?

Warning signs include dashboard alerts, unusual noises, loss of power, fluid leaks, braking issues, or difficulty shifting gears. Prompt repairs help prevent costly mechanical failures.

Can regular inspections reduce downtime for Mack trucks?

Yes, routine inspections help identify potential issues early, reducing downtime, improving safety, and ensuring compliance with commercial vehicle regulations