GM Service Manual Online
For 1990-2009 cars only

The 2004 warranty coverages on your vehicle are summarized below.

New Vehicle Limited Warranty

Complete Vehicle

    • Coverage is for first 2 years or unlimited kilometres. Tires are not included.

6.6L DURAMAX™ Diesel Engine

    • The diesel engines (except those items listed under "What is Not Covered") are covered for 5 years or 160 000 kilometres whichever comes first. A $100 deductible for repair visit will apply after the vehicle has been in use for 3 years or 60 000 kilometres whichever comes first.

7.8L DURAMAX™ Diesel Engine

    • Coverage is for 3 years unlimited kilometres.
    • Caterpillar® is not warranted by GM. Refer to Warranty Coverage Information Supplied by Caterpillar®.

Frame Rails and Cross Members

    • Coverage is for 5 years unlimited kilometres.

Sheet Metal

    • Corrosion coverage is for 2 years unlimited kilometres.
    • Rust-through coverage is for 5 years unlimited kilometres.

Emission Control System Warranty

Gasoline Engines

    • Defects and performance for heavy duty trucks are covered for the first 5 years or 80 000 kilometres, whichever comes first.

Caterpillar® Engine

    • Caterpillar® is not warranted by GM. Refer to Warranty Coverage Information Supplied by Caterpillar®.

6.6L DURAMAX™ Diesel Engine

    • Coverage is for 5 years or 160 000 kilometres, or 3,000 operating hours whichever occurs first.

7.8 DURAMAX™ Diesel Engine

    • Coverage is for a 5  years or 160 000 kilometres, or 3,000 operating hours whichever occurs first.

Warranty Information for Allison Transmission®

If your vehicle is equipped with an Allison Transmission® refer to the additional warranty publication furnished with your vehicle, or call 1-800-252-5283.

Warranty Information for Tires

Tires and tubes are warranted separately by the tire maker. The tire warranty is included with the owner literature supplied with your vehicle. General Motors of Canada limited will replace a tire or tube during the Complete Vehicle Coverage period only if a vehicle defect in materials or workmanship has caused tire or tube damage. (See Tires, Allison Transmission®, Caterpillar® Engines under General Motors of Canada Limited New GM Medium Duty Truck Limited Warranty for details). Any General Motors Medium Truck dealer will assist you in requesting a tire adjustment, if necessary.