2021 Chevrolet Colorado Service and Repair Manual
2021 Chevrolet Colorado service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- WT Crew Cab Pickup 4-Door
- Z71 LT Crew Cab Pickup 4-Door
- ZR2 Crew Cab Pickup 4-Door
- Z71 Extended Cab Pickup 4-Door
- LT Extended Cab Pickup 4-Door
- Z71 Crew Cab Pickup 4-Door
- LT Crew Cab Pickup 4-Door
- WT Extended Cab Pickup 4-Door
- ZR2 Extended Cab Pickup 4-Door
Engines covered
- 3.6L 222Cu. In. V6 GAS DOHC Naturally Aspirated
- 2.8L 171Cu. In. l4 DIESEL DOHC Turbocharged
- 2.5L 2457CC 153Cu. In. l4 GAS DOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Che
If a seat belt assembly is not properly attached to the vehicle, the seat belt may not pro
GM will notify owners, and dealers will replace the suspect bolts, free of charge. The re
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
Pi created to provide GM dealers with information on gathering information for projection issue
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
Showing the 8 most recent of 739 technical service bulletins on file with NHTSA.
The contact's son owned a 2021 Chevrolet Colorado. The contact stated that while her son was driving on a county road at an undisclosed speed, the vehicle inadvertently crashed int
I was involved in accident where a driver ran a red light traveling approximately 60-70MPH and collided with the front of my 2021 Chevy Colorado ZR2 (22700 Miles). The hood was tor
TL* THE CONTACT CALLED ON BEHALF OF HIS CLIENT'S FATHER WHO OWNED A 2021 CHEVROLET COLORADO. THE CONTACT STATED WHILE THE CLIENT'S FATHER WAS ATTEMPTING TO TURN AROUND ON A NARROW
Backup camera has failed at 38,000 miles. Backed into a tree damaging the rear bumper.
Showing the 4 most serious of 90 complaints filed with NHTSA.
