🏷️ Basic Information

Make:

Chevrolet

Model:

Cobalt

Year:

2005

Market:

North America

👋 Introduction

Market Position:

Compact car positioned as an affordable and fuel-efficient option, targeting younger buyers and budget-conscious consumers.

Body Styles:

Available as a 2-door coupe and a 4-door sedan.

Competitive Analysis:

Competed against vehicles like the Honda Civic, Toyota Corolla, Ford Focus, and Nissan Sentra. Known for its value proposition and youthful styling.

Key Features:

Available in coupe and sedan body styles, front-wheel drive, distinct styling, focus on practicality and affordability.

📋 Manual Details

Coverage Areas:

Introduction, Instrument Cluster, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting Safety Defects (U.S. only), Cleaning, Maintenance and Specifications, Engine Compartment, Engine Oil, Battery, Fuel Information, Air Filter(s), Part Numbers, Refill Capacities, Lubricant Specifications, Accessories

Page Count:

Estimated 200-300 pages (typical for this era of owner's manual)

Manual Type:

Owner's Manual

Source:

Original Factory Owners Manual

Language:

English

Format:

Digital PDF (Instant Download)

Readability Requirements:

Requires PDF reader software (e.g., Adobe Acrobat Reader, Foxit Reader)

📖 Manual Coverage

Systems Covered:

All major vehicle systems including powertrain, chassis, electrical, interior, and exterior components. Specific focus on user-facing systems and basic maintenance.

Electrical Systems:

Basic operation and understanding of lighting, battery maintenance, and fuse box location covered. Detailed wiring diagrams not included.

Seating And Restraints:

Adjustment of seats, operation of seat belts, and proper usage of child restraint systems (LATCH).

Procedures Included:

Operation of controls, basic maintenance checks (fluid levels, tire pressure), safety system explanations, cleaning procedures, refueling instructions, understanding warning indicators, troubleshooting minor issues.

Locks And Security:

Operation of power locks, key fobs (if equipped), and security system arming/disarming procedures.

Cleaning:

Recommendations for interior and exterior cleaning, including recommended cleaning agents and techniques.

Technical Depth:

User-oriented, covering operation, basic maintenance, and safety. Does not include in-depth diagnostic procedures or detailed repair instructions typical of a service manual.

Part Numbers:

May list common service part numbers for filters, fluids, and basic maintenance items.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, suitable for printing

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine:

2.2L Ecotec L61 I4

Engine Displacement:

2.2 Liters (2198 cc)

Engine Configuration:

Inline 4-cylinder, DOHC, 16-valve

Horsepower:

140 hp @ 5600 rpm

Torque:

145 lb-ft @ 4000 rpm

Fuel System:

Electronic Fuel Injection (EFI), Sequential Port Injection

Bore X Stroke:

92.26 mm x 82.0 mm

Compression Ratio:

9.5:1

Engine Oil Type:

SAE 5W-30, API SM or higher

Engine Oil Capacity:

4.7 US quarts (4.4 liters) with filter change

Air Filter Part Number:

GM 25789079 (or equivalent aftermarket)

Engine Variants Covered:

Primarily covers the 2.2L Ecotec engine. May also reference optional 2.0L Ecotec Supercharged (for SS models) or 1.8L Ecotec (for LS models) if applicable to the base manual distribution.

🔧 Transmission

Standard Transmission:

5-Speed Manual

Optional Transmission:

4-Speed Automatic (Hydra-Matic 4T45-E)

Transmission Fluid Type:

Dexron VI Automatic Transmission Fluid (ATF) for automatic; GL-4 Gear Oil for manual

Transmission Fluid Capacity:

Automatic: 5.1 US quarts (4.8 liters); Manual: 2.0 US quarts (1.9 liters)

📐 Dimensions

Exterior Length:

Sedan: 179.7 inches (4564 mm); Coupe: 172.7 inches (4387 mm)

Exterior Width:

67.9 inches (1725 mm)

Exterior Height:

Sedan: 55.5 inches (1410 mm); Coupe: 54.0 inches (1372 mm)

Wheelbase:

103.2 inches (2621 mm)

Curb Weight:

Approx. 2800-3000 lbs (1270-1361 kg), depending on body style and equipment

Cargo Volume:

Sedan: 13.6 cu ft (385 liters); Coupe: 10.4 cu ft (294 liters)

🛡️ Safety Features

Ratings:

NHTSA Frontal Crash: 5 Stars (Driver & Passenger); NHTSA Side Impact: 4 Stars (Front); IIHS Frontal Offset: Good

Active Features:

Anti-lock Braking System (ABS), Traction Control System (TCS) (optional on some trims)

Passive Features:

Front airbags (driver and passenger), front seat-mounted side-impact airbags (optional), three-point seat belts with pretensioners, LATCH child seat anchors, child security rear door locks.

Tire Size:

195/60R15, 205/55R16 (depending on trim)

Wheel Bolt Pattern:

5x110 mm

💡 Technology Features

Infotainment:

Standard AM/FM stereo with CD player. Optional premium audio systems, satellite radio readiness (XM).

Driver Assistance:

Limited driver assistance features typical for the era. Primarily focused on passive safety and basic active safety like ABS.

Connectivity:

Basic connectivity through auxiliary input for aftermarket audio devices (if equipped). No Bluetooth or USB connectivity standard.

Instrument Cluster:

Analog gauges including speedometer, tachometer, fuel gauge, and coolant temperature gauge. Warning lights for various systems. Driver Information Center (DIC) on some trims.

Climate Controls:

Manual climate controls with A/C. Optional automatic climate control on higher trims.

🔧 Maintenance

Service Intervals:

Refer to manual for specific intervals. General recommendations: Oil changes every 7,500 miles or 6 months, Air filter every 30,000 miles, Coolant flush every 100,000 miles (or as specified by coolant type), Spark plugs every 100,000 miles (iridium).

Tire Rotation:

Recommended every 7,500 miles or with every oil change.

Fluid Specifications:

Engine Oil: SAE 5W-30 API SM; Transmission Fluid (Auto): Dexron VI ATF; Transmission Fluid (Manual): GL-4 Gear Oil; Coolant: GM Dex-Cool (OAT) Extended Life Coolant; Brake Fluid: DOT 3; Power Steering Fluid: GM Power Steering Fluid (or equivalent).

Known Issues:

Some models experienced issues with ignition coils, catalytic converters, power steering pumps, and door lock actuators. The 2.2L Ecotec can be prone to oil consumption if not properly maintained.

Refill Capacities:

Fuel Tank: 14.0 gallons (53 L); Coolant System: 7.0 quarts (6.6 L); Windshield Washer Fluid: 3.5 quarts (3.3 L).

Tire Pressure:

Refer to door jamb sticker. Typically around 30-32 PSI for 195/60R15 and 205/55R16 tires.

📚 Vehicle History

Brand Heritage:

Chevrolet, founded in 1911, has a long history of producing popular and accessible vehicles, from trucks to performance cars.

Model Evolution:

The Cobalt replaced the Chevrolet Cavalier and Pontiac Sunfire. It was part of GM's Delta platform and featured a more modern design and improved performance.

Production:

Produced from 2004 to 2010. The 2005 model year was part of the first generation of the Cobalt.

Manufacturing Locations:

Lordstown, Ohio, USA

🏆 Awards & Recognition

Recognitions:

Generally received mixed reviews. Often praised for its affordability and fuel economy, but criticized for interior material quality and some powertrain refinement issues compared to Japanese competitors.

Ratings:

Consumer Reports and JD Power ratings varied, with some model years showing improvements over others in reliability and satisfaction.