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:
Ride & Handling
Whenever I approach a vehicle this large I bring along the expectation that
it will be hard to maneuver. In the Yukon I was surprisingly sure of myself,
even on the tightest city streets. Not only ...
Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread
shoulder and maximum section width. For example: ...
Fog Lamps
The fog lamps control is located on the turn/lane change lever.
Use the fog lamps for better vision in foggy or misty conditions.
FOG (Fog Lamps): Turn the fog lamp
band on the lever to and re ...





