🏷️ Basic Information

Make:

Chevrolet

Model:

Colorado

Year:

2012

Vehicle Type:

Mid-size Pickup Truck

👋 Introduction

Market Positioning:

Targeted at owners and independent repair shops seeking dealership-level repair data for the 2012 Chevrolet Colorado.

Target Audience:

DIY mechanics, independent repair shops, and fleet maintenance facilities.

Competitive Advantage:

Offers vehicle-specific, factory-authorized repair procedures and diagrams, differentiating from generic repair guides. Provides a single, easy-to-use PDF for efficient access.

Key Features:

Comprehensive A-Z coverage, step-by-step instructions, detailed diagrams and illustrations, wiring schematics, vehicle-specific data, printable format, cross-platform compatibility.

Diagnostic Capabilities:

Provides diagnostic flowcharts and troubleshooting trees for identifying and resolving common and complex vehicle issues.

📋 Manual Details

Coverage Areas:

All Models & All Repairs A-Z

Format:

PDF

Digital Delivery:

Speed download capability.

Language:

English

Manual Type:

Factory Service and Repair Manual

Estimated Page Count:

Likely 1,000+ pages, typical for factory service manuals covering all models and repairs A-Z.

📖 Manual Coverage

Systems Covered:

Maintenance, Engine, Control System, Mechanical, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition Starting Charging, Auto Transmission Clutch, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension, Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering, Air Condition, Suppl Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter Audio/Visual, Horn, Windshield/Glass Mirror, Instrument Panel, Seat, Engine Hood/ Door, Exterior & Interior, Electrical, Multiplex/ Can Communication

Electrical System Coverage:

Extensive coverage including wiring schematics for all major systems, fuse box layouts, component locations, diagnostic procedures for electrical faults.

Chassis Systems Coverage:

Detailed coverage of suspension components, steering, wheels, tires, brakes, and related systems, including alignment specifications.

Body And Interior Coverage:

Includes procedures for body panel removal and installation, interior trim, seats, doors, windows, mirrors, and associated mechanisms. Also covers exterior lighting and trim.

Climate Control Coverage:

Service and repair of the air conditioning system, heater core, blower motor, and related controls, including refrigerant handling information.

Safety Systems Coverage:

Detailed information on the Supplemental Restraint System (SRS), including airbag component locations, diagnostics, and procedures for handling deployed airbags. Also covers seat belt mechanisms.

Procedures Included:

Step-by-step repair instructions, diagnostic procedures, maintenance schedules, wiring schematics, troubleshooting guides, component removal and installation, specifications, diagrams, illustrations.

Engine Repair Procedures:

Complete engine overhaul, including disassembly, inspection, assembly, torque specifications, and timing procedures for both the 2.9L and 3.7L engines.

Suspension And Steering Procedures:

Detailed instructions for diagnosing and repairing suspension components (shocks, struts, control arms, ball joints) and steering systems (power steering pump, rack and pinion, tie rods).

Brake System Procedures:

Covers inspection, service, and replacement of brake pads, rotors, calipers, brake lines, and master cylinder. Includes parking brake adjustment and repair.

Engine Control Module ECU Diagnostics:

Detailed procedures for diagnosing and testing the Engine Control Module (ECM) and its related sensors and actuators.

Emission Control System Service:

Information on emission control components, diagnostic trouble codes (DTCs) related to emissions, and repair procedures for components like the catalytic converter and oxygen sensors.

Tire And Wheel Service:

Includes tire pressure recommendations, wheel torque specifications, tire changing procedures, and information on wheel balance and alignment.

Cruise Control System Repair:

Diagnostic and repair procedures for the cruise control system, including testing of speed sensors and actuators.

Wiper And Washer System Maintenance:

Service and replacement procedures for wiper blades, wiper motor, washer pump, and fluid reservoir.

Technical Depth:

Factory-level, comprehensive diagnostic and repair information equivalent to dealership technician manuals.

Wiring Schematic Detail:

High-detail wiring diagrams showing component connections, wire colors, and circuit routing for all major electrical systems.

📊 Manual Specifications

File Format Details:

Windows Vista (32/64-bit), XP, ME, 98, NT, 2000 compatible; Mac compatible. Requires Adobe PDF Reader and Winzip.

Searchability:

PDF format typically allows for text searching of keywords and phrases, enhancing usability.

Printable Pages:

All pages printable. Ability to enlarge images for detailed viewing and printing.

Binding Type:

Digital (PDF) - no physical binding

Paper Type:

N/A (Digital format)

⚙️ Engine Specifications

Engine Options:

2.9L L4 Flex Fuel (LLV), 3.7L L5 Vortec (LLM)

Engine Performance 2.9L:

Approximately 185 horsepower and 190 lb-ft of torque (subject to fuel type).

Engine Performance 3.7L:

Approximately 242 horsepower and 245 lb-ft of torque.

Fuel System Type:

Multi-port Fuel Injection (MPI)

Fuel Type Flex Fuel:

E85 compatibility for the 2.9L engine.

Engine Code 2.9L:

LLV

Engine Code 3.7L:

LLM

🔧 Transmission

Standard Transmission Type:

5-speed Manual (M50)

Optional Transmission Type:

4-speed Automatic (4L60-E, 4L70-E)

Transmission Features:

Available in 2WD and 4WD configurations. Manual transmission clutch system coverage included. Automatic transmission service and repair for 4L60-E/4L70-E.

📐 Dimensions

Wheelbase Options:

126.0 inches (Crew Cab), 111.3 inches (Extended Cab)

Overall Length Options:

Varies by cab and bed configuration (e.g., ~192-224 inches)

Wheelbase Standard:

111.3 inches (Extended Cab)

Wheelbase Crew Cab:

126.0 inches (Crew Cab)

Curb Weight Range:

Approximately 3,800 - 4,500 lbs, depending on configuration.

Payload Capacity:

Up to approximately 1,500 lbs, depending on configuration.

Gross Vehicle Weight Rating Gvwr:

Approximately 5,500 - 6,200 lbs, depending on configuration.

Bed Length Options:

Short Bed (~6.1 feet), Long Bed (~7.1 feet).

🛡️ Safety Features

NHTSA Ratings 2012:

Frontal Crash: 4/5 stars (driver and passenger). Side Impact: 5/5 stars (front and rear seats). Rollover: 3/4 stars.

Active Safety Features:

Anti-lock Braking System (ABS), Traction Control System (TCS).

Passive Safety Features:

Front airbags, available side-impact airbags, seatbelt pretensioners.

💡 Technology Features

Infotainment System Options:

Base audio system with CD player and auxiliary input. Available with upgraded sound systems and satellite radio. Manual covers audio system diagnostics and repair.

Driver Assistance Features:

Primary focus on ABS and Traction Control. Limited advanced driver-assistance systems compared to modern vehicles.

Connectivity Features:

Auxiliary audio input jack. Manual details the wiring and functionality of the audio system.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 6 months, whichever comes first (using synthetic oil recommended in manual).

Tire Rotation Interval:

Every 7,500 miles.

Engine Oil Specification:

SAE 5W-30 Synthetic Engine Oil (API SN or dexos1™ compliant).

Coolant Specification:

Dex-Cool® (GM 12346003 or equivalent) extended life antifreeze.

Transmission Fluid Automatic:

Dexron®-VI Automatic Transmission Fluid.

Brake Fluid Specification:

DOT 3 brake fluid.

Transfer Case Fluid:

GM AutoTrak II Fluid (or equivalent for 4WD models).

Differential Fluid Front:

API GL-5, SAE 80W-90 gear oil (for 4WD models).

Differential Fluid Rear:

API GL-5, SAE 75W-90 synthetic gear oil (for 2WD and 4WD models, may require limited-slip additive if equipped).

Common Issues 2012 Colorado:

Occasional reports of transmission issues (slipping or hard shifts), potential for front suspension wear, and minor electrical glitches. The manual provides diagnostic steps for these.

Intake Manifold Issues:

Some models may experience issues with intake manifold gaskets or sensors; manual provides diagnostic procedures.

Fuel Pump Reliability:

While generally reliable, the manual covers fuel pump testing and replacement if issues arise.

📚 Vehicle History

Chevrolet Truck Heritage:

Chevrolet has a long-standing reputation for producing durable and capable trucks, dating back to the early 20th century. The Colorado is part of this legacy, offering a more compact alternative to the Silverado.

Colorado Generation 2012:

The 2012 model year falls within the first generation of the Chevrolet Colorado, which was produced from 2004 to 2012. This generation offered various engine and cab configurations to cater to different needs.

Colorado Positioning:

The Colorado was positioned as a compact and fuel-efficient alternative to larger pickup trucks like the Chevrolet Silverado, offering a blend of utility and maneuverability.

Manufacturing Location:

United States (e.g., Shreveport, Louisiana, previously).