Special Application Services
• 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:
General Information
This maintenance section applies to vehicles with a gasoline engine. For diesel engine vehicles, see the maintenance schedule section in the Duramax Diesel Supplement.
Your vehicle is an important in ...
Vehicle Symbol Chart
Here are some additional symbols that may be found on the vehicle and what they mean. For more information on the symbol, refer to the Index.
Adjustable Pedals
Airbag Readiness Light
Air C ...
Engine Identification
The eighth character in the VIN is the engine code. This code identifies the vehicle's engine, specifications, and replacement parts. See “Engine Specifications” under Capacities and Specification ...





