Special Application Services
• Allison Transmission™ Vehicles Only: Replace external transmission filter at first engine oil change only.
• Vehicles with Dual Wheels: Check dual wheel nut torque at 160 km/100 mi, 1 600 km/ 1,000 mi and 9 700 km/6,000 mi.
• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/ 3,000 mi.
• Have underbody flushing service performed once a year.
See also:
Lap Belt (Crew and Extended Cab)
This section is only for the lap belt.
To learn how to wear a lap-shoulder belt, see Lap-Shoulder Belt on page 3‑15.
Your vehicle may have a center seating position. When you sit in the center ...
Tire Rotation and Required Services Every 12 000 km/7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation on page 10‑50.
• Check engine oil level and oil life percentage. If needed, change engi ...
Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions syste ...