🏷️ Basic Information

Make:

Chevrolet

Model:

Cobalt

Year:

2005

Chassis Code:

GM Delta platform

👋 Introduction

Market Position:

The 2005 Chevrolet Cobalt was positioned as a compact car, competing in a segment with strong contenders like the Honda Civic, Toyota Corolla, and Ford Focus. It aimed to offer value, fuel efficiency, and a sporty driving experience, especially in its higher trims.

Competitive Analysis:

Competed against popular vehicles known for reliability and fuel economy. The Cobalt sought to differentiate itself with styling and performance options, particularly the SS variants.

Key Features:

Available in coupe and sedan body styles. Offered a range of Ecotec engines emphasizing fuel efficiency and power. Known for its solid chassis and sporty handling, especially in the SS Supercharged model.

📋 Manual Details

Engine Coverage:

2.2L Ecotec L61, 2.4L Ecotec LDA

Transmission Coverage:

5-speed Manual (MM5), 4-speed Automatic (F40)

Trim Level Coverage:

LS, LT, SS Supercharged

Estimated Page Count:

300-350 (typical for a model year owner's manual)

Manual Type:

Owner's Manual

Language:

English

Format:

Electronic (PDF)

📖 Manual Coverage

Powertrain:

Engine operation, cooling, fuel, exhaust, ignition systems, basic transmission overview.

Chassis:

Suspension, steering, brakes (ABS, EBD basics), wheels, and tires.

Electrical:

Lighting, instrumentation, power outlets, battery, fuses, basic warning lights.

Body And Comfort:

Doors, windows, seats, climate control, audio system, interior and exterior lighting.

Safety Systems:

Airbags, seat belts, child restraint systems (LATCH), child security locks.

Driving Controls:

Operation of steering wheel, pedals, shifter, parking brake.

Instrumentation And Indicators:

Understanding dashboard lights, gauges, and warning indicators.

Climate Control Operation:

Use of heating, ventilation, and air conditioning (HVAC) system.

Audio System Operation:

Basic functions of the factory radio and speaker system.

Routine Checks:

Checking fluid levels (oil, coolant, brake fluid), tire pressure, washer fluid.

Fueling Procedures:

Correct fuel type, capless fueling system operation (if applicable).

Maintenance Schedules:

Recommended service intervals for oil changes, tire rotations, etc.

Lighting Controls:

Headlights, taillights, turn signals, interior lighting.

Wiper And Washer System:

Operation and fluid refills.

Child Restraint Installation:

Proper use of LATCH system and seat belt mounting for child seats.

Keyless Entry And Remote Operation:

Operation of key fobs, remote start (if equipped).

Technical Depth:

Comprehensive owner-level understanding of vehicle operation, features, and basic maintenance. Does not cover detailed diagnostic or repair procedures (which would be found in a Service Manual).

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, suitable for printing at home or office. May include color diagrams and illustrations.

Binding Type:

N/A (Digital format)

Paper Type:

N/A (Digital format)

Searchability:

Likely searchable text within the PDF for quick information retrieval.

⚙️ Engine Specifications

Engine 1 Displacement:

2.2 Liters

Engine 1 Engine Code:

L61 (Ecotec)

Engine 1 Cylinders:

Inline 4-Cylinder

Engine 1 Horsepower:

140 hp @ 5600 rpm

Engine 1 Torque:

150 lb-ft @ 4000 rpm

Engine 2 Displacement:

2.4 Liters

Engine 2 Engine Code:

LDA (Ecotec)

Engine 2 Cylinders:

Inline 4-Cylinder

Engine 2 Horsepower:

171 hp @ 6200 rpm

Engine 2 Torque:

163 lb-ft @ 4800 rpm

Engine 3 Displacement:

2.0 Liters

Engine 3 Engine Code:

LSJ (Ecotec Supercharged)

Engine 3 Cylinders:

Inline 4-Cylinder

Engine 3 Horsepower:

205 hp @ 5600 rpm

Engine 3 Torque:

200 lb-ft @ 4400 rpm

Fuel System:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline

Recommended Octane Rating:

87 Octane (for non-supercharged engines); 91 Octane (for SS Supercharged)

🔧 Transmission

Standard Transmission:

5-speed Manual Transmission (MM5)

Optional Transmission:

4-speed Automatic Transmission (F40)

Transmission Features:

Smooth shifting characteristics, driver-selectable gears in automatic, overdrive ratios for fuel economy.

📐 Dimensions

Wheelbase:

103.5 inches

Length:

171.0 inches (Coupe), 176.7 inches (Sedan)

Width:

67.9 inches

Height:

55.2 inches (Coupe), 56.7 inches (Sedan)

Trunk Volume:

13.6 cubic feet (Coupe), 15.0 cubic feet (Sedan)

Curb Weight Est:

2750 - 3050 lbs (depending on configuration)

🛡️ Safety Features

NHTSA Frontal Driver Rating 2005:

5 Stars

NHTSA Frontal Passenger Rating 2005:

5 Stars

NHTSA Side Driver Rating 2005:

4 Stars

NHTSA Side Rear Passenger Rating 2005:

4 Stars

Active Safety Features:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD)

Passive Safety Features:

Frontal airbags, front side-impact airbags, three-point seat belts, LATCH child seat anchors, child security rear door locks.

💡 Technology Features

Infotainment System:

Factory AM/FM/CD player, with optional satellite radio (XM) and premium audio systems available on higher trims. Aux input might be present on some units, but Bluetooth was rare for this model year.

Driver Assistance Features:

Standard features focused on passive safety. Advanced driver-assistance systems (ADAS) were not prevalent in this segment for 2005.

Connectivity Features:

Primarily focused on basic audio connectivity. OnStar system may be available on some models, providing telematics services.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 6 months (whichever comes first), under normal driving conditions. Refer to manual for severe driving conditions.

Tire Rotation Interval:

Every 7,500 miles or 6 months

Engine Coolant Flush Interval:

First flush at 150,000 miles, then every 75,000 miles thereafter (using Dex-Cool or equivalent).

Transmission Fluid Change Interval:

Automatic: Check condition at 100,000 miles, change as needed. Manual: Check condition, change as needed (refer to specific recommendations).

Engine Oil Specification:

SAE 5W-30, API Certified, Dexos 1 (or equivalent spec for the era, likely API SN or SM)

Engine Oil Capacity:

Approximately 4.5 quarts (with filter) for 2.2L Ecotec

Coolant Specification:

GM P/N 12346290 (Orange, Long-Life Coolant - Dex-Cool) or equivalent.

Brake Fluid Specification:

DOT 3

Power Steering Fluid Specification:

GM P/N 12345670 (or equivalent power steering fluid)

Known Issues Common:

Occasional reports of ignition coil failures, catalytic converter issues, and some electrical gremlins (e.g., door lock actuators). Ecotec engines are generally robust but require adherence to maintenance schedules.

📚 Vehicle History

Brand Heritage:

Chevrolet, established in 1911, is a cornerstone of American automotive manufacturing, known for a wide range of vehicles from economy cars to performance trucks.

Model Evolution:

The Cobalt replaced the Chevrolet Cavalier and Pontiac Sunfire. It was developed on GM's global Delta platform, sharing underpinnings with the Saturn Ion and Chevrolet HHR. The 2005 model year marked the introduction of the Cobalt.

Production Years:

2005-2010

Manufacturing Locations:

Lordstown, Ohio, USA

🏆 Awards & Recognition

Recognition Awards:

While the Cobalt didn't win major "Car of the Year" awards, its Ecotec engine family was recognized for its efficiency and performance. Specific trims, like the SS Supercharged, received positive reviews for their performance relative to their price point.