GM Service Manual Online
For 1990-2009 cars only

GM will provide for repairs to the vehicle during the warranty period in accordance with the following terms, conditions and limitations.

What Is Covered

Warranty Applies

This warranty is for GM vehicles registered in the United States and normally operated in the United States or Canada, and is provided to the original and any subsequent owners of the vehicle during the warranty period.

Repairs Covered

The warranty covers repairs to correct any vehicle defect related to materials or workmanship occurring during the warranty period. Needed repairs will be performed using new or remanufactured parts.

No Charge

Warranty repairs, including towing, parts and labor, will be made at no charge.

Obtaining Repairs

To obtain warranty repairs, take the vehicle to a GM Medium Duty Truck dealer facility within the warranty period and request the needed repairs. A reasonable time must be allowed for the dealer to perform necessary repairs.

Warranty Period

The warranty period for all coverages begins on the date the vehicle is first delivered or put in use and ends at the expiration of the coverage period.

Bumper-to-Bumper Coverage

The complete vehicle, (except tires, Duramax® 6.6L, Isuzu 6H and Caterpillar® C7 Diesel Engines, Allison Transmission, and those items listed under "What Is Not Covered" later in this section) is covered for 2 years with unlimited mileage.

Accessory Coverages

All GM accessories and parts sold by GM and permanently installed on a GM vehicle prior to delivery will be covered under the provisions of the New Vehicle Limited Warranty. In the event GM accessories are installed after vehicle delivery, or are replaced under the new vehicle warranty, they will be covered (parts and labor) for the balance of the vehicle warranty, but in no event less than 12 months/12,000 miles. This coverage is only effective for GM accessories permanently installed by a GM dealer or an associated GM-approved Accessory Distributor/Installer (ADI).

GM accessories sold over-the-counter, or those not requiring installation, will continue to receive the standard GM Dealer Parts Warranty of 12 months from the date of purchase (parts only).

GM Licensed Accessories are covered under the accessory-specific manufacturer's warranty and are not warranted by GM or its dealers.

Notice: This warranty excludes:

Any communications device that becomes unusable or unable to function as intended due to unavailability of compatible wireless service from the wireless communication carrier that provides service for the OnStar® system.

Frame Rail Coverage

Frame rails, including cross members, are covered up to 5 years with unlimited miles.

Sheet Metal Coverage

Sheet metal panels are covered against corrosion and rust-through as follows:

Corrosion: Body sheet metal panels are covered against rust for 2 years with unlimited miles.

Rust-Through: Any body sheet metal panel that rusts through (an actual hole in the sheet metal) is covered for up to 5 years with unlimited miles.

Important: Cosmetic or surface corrosion (resulting from stone chips or scratches in the paint, for example) is not included in sheet metal coverage.

Towing

Towing is covered to the nearest GM Medium Duty Truck dealer if your vehicle cannot be driven because of a warranted defect.

6.6L DURAMAX® Diesel Engine Coverage

The diesel engines, except those items listed under "What Is Not Covered" later in this section, are covered for 5 years or 100,000 miles, whichever comes first, with a $100 deductible per event after 3 years/36,000 miles. For additional information, refer to Things You Should Know About the New Vehicle Limited Warranty . Also refer to the appropriate emission control system warranty for possible additional coverages.

7.8L DURAMAX® Diesel Engine Coverage

Coverage is for 3 years with unlimited miles.

What Is Not Covered

Caterpillar® Diesel Engine Coverage

The Caterpillar® diesel engine (for on-highway vehicles) is covered for 3 years or 150,000 miles, or 3,600 hours of operation, whichever comes first. For school bus, emergency, and recreational vehicles, the Caterpillar® engine is covered for 5 years with unlimited miles. See the Caterpillar® warranty book for specific details.

Caterpillar® is not warranted by GM.

Tires and Allison Transmission®

Tires and Allison Transmission® are warranted separately. Refer to the additional warranty publications furnished with your vehicle.

Tires and Allison Transmission® are not warranted by GM.

Damage Due to Accident, Misuse, or Alteration

Damage caused as the result of any of the following is not covered:

    • Collision, fire, theft, freezing, vandalism, riot, explosion, or objects striking the vehicle
    • Misuse of the vehicle such as driving over curbs, overloading, racing, or other competition. Proper vehicle use is discussed in the owner manual
    • Alteration or modification to the vehicle including the body, chassis or components after final assembly by GM
    • Coverages do not apply if the odometer has been disconnected, its reading has been altered, or mileage cannot be determined

Important: This warranty is void on vehicles currently or previously titled as salvaged, scrapped, junked, or totaled.

Damage or Corrosion Due to Environment, Chemical Treatments, or Aftermarket Products

Damage caused by airborne fallout, salt from sea air, salt or other materials used to control road conditions, chemicals, tree sap, stones, hail, earthquake, water or flood, windstorm, lightning, the application of chemicals or sealants subsequent to manufacture, etc. is not covered. See "Chemical Paint Spotting" under Things You Should Know About the New Vehicle Limited Warranty for more details.

Damage Due to Insufficient or Improper Maintenance

Damage caused by failure to follow the recommended maintenance schedule intervals and/or failure to use or maintain fluids, fuel, lubricants, or refrigerants recommended in the owner manual is not covered.

Maintenance

All vehicles require periodic maintenance. Maintenance services, such as those detailed in the owner manual are at the owner's expense. Vehicle lubrication, cleaning, or polishing is not covered. Failure or damage of components requiring replacement or repair due to vehicle use, wear, exposure, or lack of maintenance is not covered.

Items such as:

    • Audio System Cleaning
    • Brake Pads/Linings
    • Clutch Linings
    • Coolants and Fluids
    • Filters
    • Keyless Entry Batteries *
    • Limited Slip Rear Axle Service
    • Tire Rotation
    • Wheel Alignment/Balance **
    • Wiper Inserts

are covered only when replacement or repair is the result of a defect in material or workmanship.

* Consumable battery covered up to 12 months only.

** Maintenance items after 7,500 miles.

Extra Expenses

Economic loss or extra expense is not covered.

Examples include:

    • Inconvenience
    • Lodging, meals, or other travel costs
    • Loss of vehicle use
    • Payment for loss of time or pay
    • State or local taxes required on warranty repairs
    • Storage
Other Terms: This warranty gives you specific legal rights and you may also have other rights which vary from state to state.

GM does not authorize any person to create for it any other obligation or liability in connection with these vehicles. Any implied warranty of merchantability or fitness for a particular purpose applicable to this vehicle is limited in duration to the duration of this written warranty. Performance of repairs and needed adjustments is the exclusive remedy under this written warranty or any implied warranty. GM shall not be liable for incidental or consequential damages (such as, but not limited to, lost wages or vehicle rental expenses) resulting from breach of this written warranty or any implied warranty.*

* Some states do not allow limitations on how long an implied warranty will last or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you.