A harsh Canadian winter is the perfect time to put your diesel truck through its paces. However, its performance largely depends on how well you prepare it for the cold season. In our previous article, we covered the essentials of winterizing a diesel truck. Now, we’re going to highlight some often-overlooked steps that even new truck owners should pay attention to.
One key component many drivers forget to check is the glow plugs. These small but vital parts help ignite the fuel in cold conditions. If they're faulty, you might experience difficulty starting the engine, poor power, or even diesel leaking into the exhaust. A good rule of thumb: if your truck takes longer than usual to start in the cold, it could be a sign of worn-out glow plugs.
Another common mistake is using regular windshield washer fluid during winter. When temperatures drop below freezing, standard fluids can turn into ice, which not only clogs the system but also reduces visibility. Always switch to a winter-grade fluid with a rating as low as -40°C or -50°C. And remember—don’t just top up the old fluid. The system draws from the bottom, so if it’s frozen there, nothing on top will help.
Fuel filters are another area that often gets ignored. A clogged filter can cause rough idling, stalling, or even a complete failure to start. Most diesel trucks require a fuel filter change every 80,000 to 100,000 kilometers. It's worth checking early to avoid being stranded in the cold.
Block heaters are another overlooked feature. Many diesel owners don’t even realize their trucks have them. These devices preheat the engine block, making it easier to start in extreme cold. Before winter hits, test your block heater with a multimeter. If it reads between 9 and 25 ohms, it’s working fine. Anything lower means it needs attention.
Lastly, don’t neglect your windshield. Even a small crack can expand rapidly in freezing temperatures. Take the time to inspect and repair any damage before the weather turns severe. It's better to fix it now than face a dangerous situation later.
Preparing your diesel truck for winter doesn’t have to be complicated. With a few simple checks and maintenance tasks, you can ensure your vehicle runs smoothly all season long. If you need help, feel free to reach out—we’re here to help you stay safe on the road.
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