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Manual Coverage
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Systems Covered
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Powertrain Engine:
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All Engine Variants: 2.9L LLV I4, 3.7L LLM I5
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Powertrain Transmission:
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Manual and Automatic Transmissions
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Chassis Suspension:
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Front and Rear Suspension, Steering System
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Chassis Brakes:
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Hydraulic Brake System, ABS, Traction Control
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Electrical System:
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Battery, Charging System, Starting System, Lighting, Fuses, Relays, Body Control Module (BCM)
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Electrical Powertrain Control Module:
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PCM Diagnostics and Pinouts
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Body And Trim:
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Interior and Exterior Trim, Doors, Glass, Bumpers
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HVAC:
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Heating, Ventilation, and Air Conditioning System
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Safety Systems:
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Airbags, Seatbelts, Tire Pressure Monitoring System (TPMS)
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Diagnostic Troubleshooting:
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Systematic Troubleshooting Guides for All Components
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Procedures Included
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Maintenance:
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Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks
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Repair:
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Engine Overhaul, Transmission Rebuilds, Suspension Component Replacement, Brake Service
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Troubleshooting:
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Diagnostic Trouble Codes (DTCs), Symptom-Based Troubleshooting
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Installation:
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Component Installation and Removal Procedures
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Wiring Diagrams:
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Detailed Electrical Wiring Schematics
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Technical Depth
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Depth:
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Comprehensive: From basic fluid changes to full engine and transmission rebuilds, including advanced diagnostics.
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Safety Features
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Ratings
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NHTSA Rollover Rating:
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4 out of 5 stars (typical for 2WD and 4WD models)
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IIHS Crash Test Performance:
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Varies by year and specific test, generally considered adequate for its class.
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Active Features
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Traction Control:
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Standard on most models
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Electronic Stability Control:
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Available on later models or higher trims
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Anti Lock Brakes:
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Standard
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Passive Features
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Airbags:
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Frontal airbags for driver and passenger, available side-impact airbags
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Seatbelts:
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3-point front and rear seatbelts with pretensioners
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Safety Monitors
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Tire Pressure Monitoring System:
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Available on certain trims/packages
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 7,500 miles or 6 months (using synthetic oil), or as indicated by the oil life monitor.
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Air Filter Replacement:
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Every 30,000 miles or as needed, depending on driving conditions.
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Cabin Air Filter Replacement:
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Every 15,000 - 20,000 miles or annually.
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Coolant Flush:
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First flush at 100,000 miles, then every 50,000 miles thereafter (using DEX-COOL or equivalent long-life coolant).
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Spark Plug Replacement 2.9L:
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Approx. 100,000 miles (if equipped with iridium plugs)
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Spark Plug Replacement 3.7L:
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Approx. 100,000 miles (if equipped with iridium plugs)
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Fluid Specifications
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Engine Oil Spec 2.9L:
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SAE 5W-30 (API SN or newer, Dexos approved recommended)
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Engine Oil Spec 3.7L:
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SAE 5W-30 (API SN or newer, Dexos approved recommended)
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Engine Oil Capacity 2.9L:
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Approx. 5.0 quarts (with filter)
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Engine Oil Capacity 3.7L:
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Approx. 6.0 quarts (with filter)
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Coolant Type:
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GM DEX-COOL (Orange)
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Known Issues
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Common Complaints:
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Some reported issues include throttle body issues, ABS sensor failures, exhaust manifold leaks (particularly on the 3.7L), and occasional transmission solenoid problems. The manual provides detailed diagnostic procedures for these.
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Vehicle History
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Brand Heritage
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Chevrolet Truck Legacy:
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Chevrolet has a long history of producing reliable and capable trucks, dating back to the early 20th century with models like the Chevrolet Series AB Superior and the Task Force trucks.
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Model Evolution
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Colorado Introduction:
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The Colorado was introduced for the 2004 model year as a replacement for the Chevrolet S-10 pickup. The 2009-2012 models represent the latter part of the first generation (GMT 355).
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Facelift:
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The 2009 model year received a significant mid-cycle refresh, including revised styling (new grille, headlights, front bumper), updated interior features, and improved engines, making it a more competitive offering.
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Production
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Manufacturing Locations:
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Produced primarily in Shreveport, Louisiana, USA, and São José dos Campos, Brazil.
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Production Years Overall
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First Gen Production Years:
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2004-2012
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