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Canadian Winter Diesel Truck Checklist: The 2020 Update
A harsh Canadian winter is the perfect time to test your diesel truck's durability. However, its performance during these cold months largely depends on how well you prepare your vehicle for the season. In our previous article, we covered the basics of winterizing a diesel truck. Now, let’s go over some important steps that many owners often overlook—whether you own a brand new truck or one that’s been around the block.
One of the most critical parts of your engine is the glow plugs. These small but essential components help ignite the fuel in cold conditions. If they’re faulty, you may experience difficulty starting your truck, black smoke from the exhaust, or even reduced power. Glow plugs can take anywhere from 1–15 seconds or more to warm up, depending on outside temperature, engine condition, and their age. It’s crucial to test them before temperatures drop below freezing.
Another often forgotten item is windshield washer fluid. Using regular fluid in the winter can lead to frozen lines and ineffective cleaning. Make sure to replace it with a winter blend that can withstand extreme cold, ideally rated for -40°C or lower. Don’t just top off the old fluid—this won’t work because the system pulls from the bottom of the tank. A full replacement is necessary to avoid issues.
Your fuel filter is another component that shouldn’t be ignored. A clogged filter can cause rough idling, hesitation during acceleration, or even prevent the engine from starting. Most diesel trucks require a fuel filter change every 80,000 to 100,000 kilometers. If you're unsure when the last one was replaced, consider doing it early to avoid problems.
Many diesel truck owners are unaware of the block heater, which helps pre-warm the engine and makes starting easier in the cold. Locate the plug and test it with a multimeter. If it reads between 9 and 25 ohms, it’s working fine. Anything less than 9 ohms means it needs attention.
Lastly, don’t neglect your windshield. Even a small crack can expand rapidly in cold weather due to temperature fluctuations. Inspect it regularly and get any damage repaired before winter hits. A small fix now can save you from a costly replacement later.
Taking the time to properly prepare your diesel truck for winter can save you from unexpected breakdowns and expensive repairs. Whether you're a seasoned owner or new to diesel vehicles, these steps are essential. If you need help with any of these tasks, reach out to a certified mechanic today. Stay safe and drive smart this winter!