Kenworth T470 Instruction Manual

The recommended engine oil for the Kenworth T470 is a high-quality 15W-40 heavy-duty diesel engine oil that meets API CJ-4 specifications.
Air filters should be inspected every 15,000 miles and replaced every 30,000 miles or as needed, depending on driving conditions.
To check the transmission fluid level, ensure the truck is on level ground, warm up the engine, and use the dipstick to check the level, adding fluid if necessary.
Check the ABS sensors and wiring for damage, ensure connectors are secure, and use a diagnostic tool to retrieve error codes for further troubleshooting.
Regular maintenance includes checking coolant levels, inspecting hoses for leaks or damage, and flushing the cooling system every 50,000 miles or as recommended.
Inspect brake pads and rotors for wear, check brake lines for leaks, and ensure the brake fluid is at the correct level. Replace components as necessary.
Common causes include under-inflated tires, clogged air filters, inefficient driving habits, and excessive idling. Regular maintenance can help improve fuel efficiency.
When storing, fill the fuel tank, disconnect the battery, ensure tires are properly inflated, and cover the truck to protect it from the elements.
Check all fuses and relays, inspect battery connections for corrosion, and examine wiring for damage. Utilize a multimeter to diagnose specific electrical faults.
Turn the ignition key to the "ON" position without starting the engine, navigate to the maintenance menu on the dashboard display, and follow the prompts to reset the reminder.