: Ensure oil is clean and free of metal shavings. Milky residue in the oil or coolant suggests cross-contamination. 3. Structural & Mechanical Integrity
: Request a detailed history showing regular oil changes (typically every 15,000–30,000 miles for modern diesels), filter replacements, and cooling system flushes. what to look for when buying a used semi truck
The Smart Buyer’s Guide: What to Look for in a Used Semi-Truck : Ensure oil is clean and free of metal shavings
: Look for oil leaks around the block and gaskets, and signs of coolant residue. 000 miles for modern diesels)
: Blue smoke can indicate oil burning, while excessive white or black smoke suggests fueling or aftertreatment issues.
A truck that doesn't track straight or stay together is a safety hazard and a money pit. New vs. Used Ford Trucks in 2025: A Complete Buyer's Guide