Introduction
This CD-ROM provides a complete reproduction of the original factory repair shop and service manuals for 1991 Chevrolet C/K Truck and Pickup models. It is designed to assist mechanics and vehicle owners with detailed instructions for maintenance, repair, and overhaul procedures.
The CD includes two primary manuals:
- 1991 Chevrolet Trucks C/K Pickup Service Manual (1663 pages)
- 1991 Chevrolet Trucks Light Duty Truck Unit Repair Manual (850 pages)
These manuals contain step-by-step instructions, clear illustrations, exploded views, schematics, and specifications necessary for various repairs, from minor tune-ups to major overhauls.

Figure 1: Cover image of the 1991 Chevrolet Truck & Pickup Factory Repair Shop & Service Manual CD. This image represents the product packaging.
Setup and Installation
To access the manual content, insert the CD-ROM into a compatible computer's optical drive. The CD is designed to be self-contained and typically does not require special software installation beyond a standard PDF reader (e.g., Adobe Acrobat Reader) which is commonly pre-installed on most operating systems.
- Insert CD: Gently insert the CD-ROM into your computer's CD/DVD drive.
- Auto-run (if applicable): If an auto-run feature is enabled, a window may automatically open displaying the CD's contents or prompting to open a main index file.
- Manual Access: If auto-run does not initiate, navigate to "My Computer" or "This PC," locate your CD/DVD drive (e.g., D: or E: drive), and double-click to open its contents.
- Locate Manual Files: Browse the CD's directory to find the main manual files, typically in PDF format. Look for files named similarly to "1991_Chevy_CK_Service_Manual.pdf" or an index file that links to all sections.
Ensure your computer meets basic system requirements for reading PDF files. No internet connection is required to view the manual once the CD is inserted.
Operating the Manual CD
The manual content is organized to mirror the original printed factory manuals. Users can navigate through the documents using the features of their PDF reader software.
Finding Information:
- Search Function: Utilize the search function within your PDF reader (usually Ctrl+F or Cmd+F) to quickly locate specific keywords, part names, or repair procedures.
- Bookmarks/Table of Contents: Many PDF readers display a navigation pane with bookmarks or a table of contents, allowing direct access to different sections of the manual.
- Page Navigation: Use the page number input or scroll bar to move through the manual sequentially.
Content Overview:
This CD covers all 1991 Chevy C and K Pickup Truck models, including:
- Half-ton, three-quarter ton, one-ton models
- 1500, 2500, 3500 series
- Scottsdale, Silverado, 454SS, Work Truck
- Extended cab, dually configurations
- Two-wheel drive and four-wheel drive variants
- Both gas and diesel engines
Important Note: This manual specifically covers the "new style" C/K trucks for 1991, which feature one piece of glass in the door and do NOT have wing windows. If your truck has wing windows (two pieces of glass in the door), this manual is not applicable; refer to the R/V series truck manual instead.
Maintenance of the CD-ROM
To ensure the longevity and readability of your manual CD, follow these maintenance guidelines:
- Handling: Always hold the CD by its edges or by placing a finger through the center hole. Avoid touching the data surface.
- Cleaning: If the CD becomes dirty, gently wipe it with a soft, lint-free cloth from the center outwards. Do not use abrasive materials or harsh chemical cleaners.
- Storage: Store the CD in its protective case, away from direct sunlight, extreme temperatures, and high humidity.
- Scratches: Avoid scratching the CD's surface, as this can lead to data corruption and make the manual unreadable.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| CD does not auto-run. | Auto-run feature disabled; system settings. | Manually navigate to the CD/DVD drive in "My Computer" or "This PC" and open the drive. |
| Files are unreadable or corrupted. | CD is dirty, scratched, or damaged. | Clean the CD gently. Inspect for deep scratches. Try on another computer. |
| Cannot open PDF files. | No PDF reader installed or outdated software. | Install a free PDF reader (e.g., Adobe Acrobat Reader) or update your existing one. |
| Manual lacks specific electrical diagrams. | This specific CD focuses on C/K and Light Duty Truck Unit Repair manuals, and may not include a dedicated electrical manual. | Refer to supplementary electrical manuals if detailed wiring diagrams are required. This product description indicates it does not include a separate electrical manual. |
Specifications
- Product Type: Digital Service Manual (CD-ROM)
- Content: Reproductions of 1991 Chevrolet Trucks C/K Pickup Service Manual (1663 pages) and 1991 Chevrolet Trucks Light Duty Truck Unit Repair Manual (850 pages).
- Total Pages: Approximately 2513 pages (digital equivalent)
- Covered Models: 1991 Chevrolet C/K Pickup Truck models (half-ton, three-quarter ton, one-ton, 1500, 2500, 3500, Scottsdale, Silverado, 454SS, Work Truck, extended cab, dually, 2WD, 4WD, gas & diesel engines).
- Specific Coverage: "New style" C/K trucks with one-piece door glass (no wing windows).
- Publisher: GM CHEVY CHEVROLET GMC TRUCK PICKUP
- Language: English
- Release Date: January 1, 2015
Warranty and Support
This product is sold by Classic Automotive Repair Shop & Restoration Manuals. For specific return or support inquiries, please refer to the seller's policies on the platform where the purchase was made.
- Return Policy: A return policy of 30 days for refund/replacement is typically offered. Please verify the exact terms with the seller at the time of purchase.
- Technical Support: For issues related to the content or functionality of the CD, contact the seller directly through the Amazon messaging system.
It is recommended to retain your purchase receipt or order confirmation for any support or warranty claims.





