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 Manual.
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), see 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.
Collision Damage RepairDimensions - Body (5HB)
Point-to-point measurements are for reference only. All measurements are given
in millimeters. Use these measurements for diagnosing and estimating. Point-to-point
measurements are duplicated with tram bar pointers set at equal lengths. All die
marks, holes, slots, and fasteners are measured t ...
Headlamp Aiming
Visual Aiming Preparation Procedure
Note: Some state and local laws specify requirements for headlamp
aim. Comply with all of these laws when performing any headlamp aiming operations.
Headlamp aim should be checked:
When a new headlamp capsule is installed.
If ser ...
Electronic Ignition System Description
Electronic Ignition System Operation
The electronic ignition system produces and controls the high energy secondary
spark. This spark ignites the compressed air/fuel mixture at precisely the correct
time, providing optimal performance, fuel economy, and control of exhaust emissions.
...