Each Haynes manual is written for the do-it-yourselfer and provides step-by-step instructions based on a complete disassembly of the vehicle.  This hands-on experience provides the reader with specific and detailed instructions for performing everything from basic maintenance and troubleshooting to a complete engine overhaul.  The models and model years covered in this title are as follows:

Chevrolet Colorado 2004 - 2012
GMC Canyon 2004 – 2012
This Haynes automotive repair manual includes 700+ photos and the following chapters: 

Introduction
Chapter 1: Tune-up and routine maintenance
Chapter 2: Part A: Inline engines
Chapter 2: Part B: V8 engine
Chapter 2: Part C: General engine overhaul procedures
Chapter 3: Cooling, heating and air conditioning systems
Chapter 4: Fuel and exhaust systems
Chapter 5: Engine electrical systems
Chapter 6: Emissions and engine control systems
Chapter 7: Part A: Manual transmission
Chapter 7: Part B: Automatic transmission
Chapter 7: Part C: Transfer case
Chapter 8: Driveline
Chapter 9: Brakes
Chapter 10: Suspension and steering systems
Chapter 11: Body
Chapter 12: Chassis electrical system
Wiring diagrams