Preventive Maintenance
Diesels reward maintenance and punish neglect. These guides cover what to service, when to service it, and what is dealer upsell. Oil, filters, coolant, fuel additives, block heaters, and winter storage, all with real intervals for Canadian and US conditions.
Diesel Truck Winter Storage: Earl's Step by Step Guide
Putting your diesel truck into winter storage? Earl Kowalski shares the farm tested steps: treated fuel, a battery tender, DEF care and a smooth spring start.
Block Heater Types: Which One Your Diesel Truck Needs
Block heater types compared: frost plug, circulating, oil pan, and battery warmer. Costs, install difficulty, and the combo that starts a diesel at minus 30.
Are Diesel Fuel Additives Worth It? A Fleet Owner's Math
Are diesel fuel additives worth it? A 22 year fleet owner breaks down anti gel, lubricity and cetane by real shop costs. Find which bottles pay for themselves.
Synthetic vs Conventional Diesel Oil: Cost Per Mile Math
Dave Ryder runs the numbers on synthetic vs conventional diesel oil: cost per mile math, drain intervals, oil analysis and cold starts for truck owners.
Best Oil for 6.7 Cummins: What to Use and Avoid
Best oil for 6.7 Cummins? Your model year matters more than the brand. CES 20086 specs, the 2019 15W40 ban, winter grades and Canadian prices from a DIY owner.