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:

    Weight-Distributing Hitch Adjustment
    A. Body to Ground Distance B. Front of Vehicle When using a weight-distributing hitch, the spring bars should be adjusted so the distance (A) is the same after coupling the trailer to the tow vehi ...

    Shocks and Struts
    Shocks and struts help aid in control for a smoother ride. • Signs of wear may include steering wheel vibration, bounce/ sway while braking, longer stopping distance, or uneven tire wear. • As p ...

    Headlamps, Front Turn Signal, Sidemarker, and Parking Lamps
    A. Low-Beam Headlamp B. High-Beam Headlamp C. Sidemarker Lamp D. Park/Turn Signal Lamp To replace one of these bulbs: 1. Turn the tire to reach the access port cap located in the front of wheel ...