Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission, axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
Owner Information
Owner publications are written specifically for owners and intended to provide basic operational information about the vehicle.
The Owner Manual includes the Maintenance Schedule for all models.
In-Portfolio: Includes a Portfolio, Owner Manual, and Warranty Booklet.
RETAIL SELL PRICE:
$35.00 (U.S.) plus handling and shipping fees.
Without Portfolio: Owner Manual only.
RETAIL SELL PRICE:
$25.00 (U.S.) plus handling and shipping fees.
Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles.
ORDER TOLL FREE:
1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time For Credit Card Orders Only (VISA-MasterCard-Discover), visit Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated Attention: Customer Service 47911 Halyard Drive Plymouth, MI 48170 Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery.
All listed prices are quoted in U.S. funds. Make checks payable in U.S. funds.
See also:
Engine Fan
The vehicle has electric cooling fans. The fans spinning at low speed during
most everyday driving might be heard. The fans can turn off if no cooling is required.
Under heavy vehicle loading, tra ...
How to Inspect the Engine
Air Cleaner/Filter
To inspect the air cleaner/filter,
remove the filter from the vehicle
and lightly shake the filter to release
loose dust and dirt. If the filter
remains covered with dirt, a new
filter is re ...
Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation
pressures. See Tire Pressure.
- Inspect the tires for wear.
See Tire Inspection.
- Chec ...






