1991 GMC Sierra Truck Service Manual (C / K Series)
This 1991 GMC Sierra Truck Service Manual is a licensed, high-quality, PRINT reproduction of the professional shop manual created by the original equipment manufacturer (OEM), General Motors Corporation for use by their dealership mechanics. It has been beautifully recreated here by publisher Detroit Iron®, retaining ALL of the factory content. You'll find this manual is loaded with detailed repair procedures, diagnostic instructions, illustrations and specifications, making it the ultimate resource for efficient and accurate maintenance, troubleshooting and even complete vehicle repair.
This factory-authored GMC Sierra service manual measures 8.5 x 11 inches, is paperback bound and contains 1,666 pages of comprehensive mechanical instructions.
Covering key systems such as the engine, transmission, suspension, brakes, steering, electrical, fuel and more, this guide is perfect for DIY owners, restorers and professional mechanics working these classic GMXC haulers.
- OEM-authored content - trusted factory procedures
- Comprehensive system coverage - mechanical, electrical & more
- Clear diagrams and specs - step-by-step accuracy
- Thick, high-quality paper / Durable print format - ideal for garage or shop use
NOTE: This is the MAIN service manual. For OVERHAUL instructions, please see the 1991 GMC Light Duty Truck Unit Repair Manual.
Whether you're performing routine service, or tackling a full rebuild, this factory-written shop manual gives you the correct procedures, specifications and confidence to get the jobs done right.
Vehicle Applications:
- 1991 GMC C1500 Sierra SLE Truck
- 1991 GMC C1500 Sierra SLX Truck
- 1991 GMC C1500 Sierra Truck
- 1991 GMC C2500 Sierra SLE Truck
- 1991 GMC C2500 Sierra SLX Truck
- 1991 GMC C2500 Sierra Truck
- 1991 GMC C3500 Sierra SLE Truck
- 1991 GMC C3500 Sierra SLX Truck
- 1991 GMC C3500 Sierra Truck
- 1991 GMC K1500 Sierra SLE Truck
- 1991 GMC K1500 Sierra SLX Truck
- 1991 GMC K1500 Sierra Truck
- 1991 GMC K2500 Sierra SLE Truck
- 1991 GMC K2500 Sierra SLX Truck
- 1991 GMC K2500 Sierra Truck
- 1991 GMC K3500 Sierra SLE Truck
- 1991 GMC K3500 Sierra SLX Truck
- 1991 GMC K3500 Sierra Truck
This factory written 1991 GMC Sierra shop manual is perfect for service, repairs, restoration and rebuild projects. Clear illustrations and other outstanding visual aids have been paired with step by step directions and detailed explanations to talk your through projects of all sizes from start to finish.
Subject: 1991 GMC Sierra Truck Service Manual - Includes Detailed Procedures and Instructions. | ISBN-10: 1791422985 | ISBN-13: 9781791422981 | OEM Part Number: X-9131
1991 GMC Sierra Truck Service Manual (C / K Series) - Table of Contents

Sample Page:
Below: 1991 GMC Sierra Truck Service Manual (C / K Series) - Sample Page 1
Sample Page:
Below: 1991 GMC Sierra Truck Service Manual (C / K Series) - Sample Page 2