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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 largely depends on how well you prepare it for the cold season. In our previous article, we covered the essential checks every diesel truck owner should perform. Now, let’s go over some often-overlooked steps that can make a big difference in keeping your vehicle running smoothly all winter long—especially if you’ve just bought a new truck.
Glow plugs play a crucial role in starting a diesel engine, especially in freezing temperatures. They can take anywhere from 1 to 15 seconds or more to warm up, depending on outside temperature, engine condition, and their age. If they’re faulty, you might experience difficulty starting the engine, fuel leakage into the exhaust, or reduced power. Even if the truck still runs with one bad plug, it could be putting extra strain on the engine and leading to unexpected breakdowns.
Next, don’t forget about windshield washer fluid. Using regular summer fluid in the winter is a recipe for disaster—it will freeze and potentially damage your system. Before the cold hits, drain the old fluid and replace it with a winter-grade version rated for at least -40°C or -50°C. And remember: never just top up the old fluid with the new. The pump draws from the bottom of the tank, so if the old fluid freezes there, the new one won’t help.
Another important step is checking your fuel filter. A clogged filter can cause rough idling, hesitation during acceleration, or even prevent the engine from starting. It’s recommended to clean or replace the filter every 80,000 to 100,000 km. If it’s been a while since your last service, this is a great time to get it done.
Many diesel truck owners are unaware of the block heater, which is an invaluable tool in cold weather. It helps preheat the engine, making it easier to start and reducing wear. To check if yours is working, use a multimeter set to ohms. A reading between 9 and 25 ohms means it’s in good condition. If it’s lower than 9, you may need to have it repaired or replaced.
Lastly, don’t ignore any cracks or chips in your windshield. Cold weather and temperature fluctuations can turn small issues into major problems. Inspect your windshield carefully and have any damage repaired before winter sets in. It’s better to fix it now than deal with a dangerous situation later.
Preparing your diesel truck for winter doesn’t have to be overwhelming. By following these tips, you’ll not only improve your vehicle’s performance but also avoid costly repairs down the road. If you need help getting your truck ready, feel free to reach out—we’re here to help!