🏷️ Basic Information

Make:

Chevrolet

Model:

Cobalt

Year:

2009

Product Type:

Complete Workshop Service Repair Manual

Platform:

GM Delta II

👋 Introduction

Market Segment:

Compact car, positioned as an affordable and practical option for a broad consumer base.

Key Competitors:

Ford Focus, Honda Civic, Toyota Corolla, Nissan Sentra, Mazda3.

Value Proposition:

Offered a balance of fuel efficiency, affordability, and a range of available trims and powertrains, making it a popular choice for budget-conscious buyers and first-time car owners.

📋 Manual Details

Models Covered:

All Models/Engines/Trim/Transmissions Types

Estimated Page Count:

Estimated 1500-2500+ pages (typical for complete workshop manuals)

Manual Type:

Workshop Service Repair Manual

Language:

English

Delivery Format:

Downloadable Digital File (PDF)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, cylinder head, block, pistons, connecting rods, crankshaft, lubrication system, cooling system, timing system (belts/chains), seals and gaskets.

Engine Performance:

Fuel injection system, ignition system, emission control systems (EVAP, catalytic converter), turbocharger (if applicable), engine control module (ECM) diagnostics and procedures.

Transmission Manual:

Clutch system, manual transmission assembly, disassembly, overhaul, gear shift mechanism, and related components.

Transmission Automatic:

Automatic transmission assembly, disassembly, overhaul, torque converter, transmission control module (TCM) diagnostics, valve body, internal seals and clutches.

Drivetrain:

Front-wheel drive (FWD) system, drive axles, CV joints, differential assembly, wheel bearings.

Suspension:

Front and rear suspension components, struts, shock absorbers, control arms, ball joints, bushings, springs, sway bars, steering knuckles, wheel alignment specifications.

Steering:

Power steering system (hydraulic or electric), steering column, steering gear/rack and pinion, tie rods, power steering pump, fluid specifications, bleeding procedures.

Brakes:

Front and rear brake systems (disc/drum), brake calipers, brake pads, brake rotors, brake drums, wheel cylinders, master cylinder, brake lines, brake fluid specifications, ABS system components and diagnostics.

Electrical System:

Battery, charging system (alternator, starter motor), ignition system, lighting (headlights, taillights, interior), fuses, relays, wiring diagrams, electrical component locations.

Body And Interior:

Body panel removal/installation, doors, hood, trunk lid, bumpers, interior trim, seats, headliner, glass and seals, rust proofing, body repair techniques.

HVAC:

Heating, ventilation, and air conditioning (HVAC) system, A/C compressor, condenser, evaporator, refrigerant specifications, blower motor, climate control panel, diagnosis and repair.

Safety Systems:

Airbag system components, SRS module, seat belts, child seat anchorages (LATCH), ABS, traction control, stability control system diagnostics.

Scheduled Maintenance:

Oil changes, filter replacements, fluid checks and changes (coolant, brake fluid, power steering fluid, transmission fluid), spark plug replacement, air filter replacement, tire rotation.

Diagnostic Troubleshooting:

Step-by-step troubleshooting guides for common and uncommon issues, diagnostic trouble codes (DTCs), sensor testing, component testing, wiring continuity checks.

Repair And Overhaul:

Complete procedures for disassembling, repairing, and reassembling all major vehicle components (engine, transmission, suspension, brakes, etc.).

Component Replacement:

Detailed instructions for replacing specific parts such as alternators, starters, fuel pumps, water pumps, radiators, exhaust systems, etc.

Electrical Diagnostics:

Troubleshooting power windows, door locks, audio systems, instrument cluster issues, and other electrical gremlins using provided wiring diagrams.

Bodywork And Paint:

Procedures for minor body repairs, panel alignment, and potentially painting guidance (though often more focused on mechanical/electrical).

Depth:

Comprehensive, covering everything from basic maintenance to advanced engine and transmission overhauls and electrical diagnostics.

📊 Manual Specifications

File Format:

PDF (Portable Document Format)

Print Quality:

High quality, designed for clear printing of text and images.

Binding Type:

N/A (Digital Download - Print as needed)

Paper Type:

N/A (Digital Download - Print on user's choice of paper)

Searchable Text:

Typically searchable PDF format, allowing quick location of specific information.

Device Compatibility:

Compatible with PC, Mac, tablets, smartphones; requires Adobe Reader or compatible PDF viewer.

⚙️ Engine Specifications

2.2L Ecotec I4:

Engine Code: LD9 (Less common for 2009 in North America), Displacement: 2.2L (2198cc), Configuration: Inline 4-cylinder, DOHC, 16 valves, Horsepower: Approx. 155 hp @ 5600 rpm, Torque: Approx. 150 lb-ft @ 4000 rpm, Fuel System: Electronic Fuel Injection (EFI), Compression Ratio: 9.5:1.

2.0L Ecotec I4:

Engine Code: XEL (Naturally Aspirated), Displacement: 2.0L (1998cc), Configuration: Inline 4-cylinder, DOHC, 16 valves, Horsepower: Approx. 138 hp @ 6000 rpm, Torque: Approx. 133 lb-ft @ 3200 rpm, Fuel System: Electronic Fuel Injection (EFI), Compression Ratio: 10.0:1.

2.4L Ecotec I4 (Le5/Lsj):

Engine Code: LE5 (Naturally Aspirated), Displacement: 2.4L (2384cc), Configuration: Inline 4-cylinder, DOHC, 16 valves, Horsepower: Approx. 170 hp @ 6200 rpm, Torque: Approx. 163 lb-ft @ 4800 rpm, Fuel System: Electronic Fuel Injection (EFI), Compression Ratio: 9.8:1. (LSJ variant was Supercharged, typically found in SS models, producing ~205 hp).

Typical 0 60 Mph:

7.5 - 10 seconds (depending on engine and transmission)

Fuel Type:

Unleaded gasoline, 87 octane recommended (higher for performance variants).

🔧 Transmission

Transmission Type Std:

5-speed Manual Transmission (e.g., MV5 for 2.2L, M86 for 2.0L)

Transmission Type Opt:

4-speed Automatic Transmission (e.g., 4T45-E, 4T40-E)

Transmission Fluid Spec Auto:

Dexron VI Automatic Transmission Fluid (ATF).

Transmission Fluid Spec Manual:

GL-4 SAE 75W-90 Gear Lubricant (check specific manual for exact specification).

📐 Dimensions

Length:

Approx. 171.3 - 172.4 inches (depending on body style)

Width:

Approx. 68.0 inches

Height:

Approx. 56.0 - 56.4 inches

Wheelbase:

Approx. 103.5 inches

Front Headroom:

Approx. 38.7 inches

Rear Headroom:

Approx. 37.4 inches

Front Legroom:

Approx. 41.7 inches

Rear Legroom:

Approx. 33.7 inches

Cargo Volume Sedan:

Approx. 13.2 cu ft

Cargo Volume Coupe:

Approx. 15.0 cu ft

Curb Weight:

Approx. 2750 - 3000 lbs (depending on configuration)

🛡️ Safety Features

NHTSA Front Impact:

Driver: 5 Stars, Passenger: 4 Stars

NHTSA Side Impact:

Front Seat: 5 Stars, Rear Seat: 5 Stars

NHTSA Rollover:

3 Stars

ABS:

Standard Anti-lock Braking System (ABS).

Traction Control:

Available Traction Control System (TCS).

Stability Control:

Available StabiliTrak Electronic Stability Control (ESC).

Airbags:

Standard front airbags, available side-impact airbags, available head curtain airbags.

Seat Belts:

Three-point seat belts with pretensioners and load limiters.

Child Safety:

LATCH (Lower Anchors and Tethers for Children) system for rear seats.

💡 Technology Features

Audio System:

Standard AM/FM/CD player, optional MP3 compatibility, auxiliary input jack. Higher trims may feature premium audio systems and steering wheel audio controls.

Connectivity:

Bluetooth connectivity for hands-free calling and audio streaming was available on higher trims or as an option.

Cruise Control:

Standard on most trims.

Tire Pressure Monitoring:

Available Tire Pressure Monitoring System (TPMS).

🔧 Maintenance

Oil Change Interval:

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

Engine Air Filter:

Inspect every 7,500 miles, replace as needed (typically every 30,000 miles).

Spark Plugs:

Replace at 100,000 miles for Ecotec engines with Iridium spark plugs (check manual for specific plug type).

Transmission Fluid Auto:

Inspect every 7,500 miles, replace typically every 100,000 miles (check manual for specific interval).

Engine Oil Spec:

SAE 5W-30, meeting GM specification GM6094M (e.g., ACDelco Professional Synthetic Blend or Dexos if applicable post-2011 equivalent).

Coolant Spec:

GM P/N 12346290, a 50/50 mix of Dex-Cool (propylene glycol) and distilled water.

Brake Fluid Spec:

DOT 3 or DOT 4 brake fluid.

Common Issue 1:

Catalytic Converter Failure: Can occur prematurely due to engine oil consumption or rich fuel mixture issues.

Common Issue 2:

Front Suspension Components: Premature wear of struts, ball joints, and control arm bushings can lead to clunking noises and alignment issues.

Common Issue 3:

Oil Leaks: Valve cover gaskets and oil pan gaskets are common sources of oil leaks on Ecotec engines.

Common Issue 4:

Transmission Problems: Some automatic transmissions (e.g., 4T45-E) can experience shifting issues or solenoid failures.

Common Issue 5:

Climate Control Actuators: Failure of blend door actuators can lead to incorrect air temperature or direction.

📚 Vehicle History

Manufacturer:

Chevrolet, a division of General Motors (GM), known for a wide range of vehicles from economy cars to heavy-duty trucks since 1911.

Cobalt Introduction:

The Chevrolet Cobalt was introduced for the 2005 model year, replacing the Cavalier and the Prizm. It was developed on GM's global Delta platform.

2009 Updates:

For 2009, Chevrolet refined the Cobalt lineup, offering improved standard features and slight packaging adjustments. The focus remained on delivering value in the compact segment.

Production Years:

2005-2010

Manufacturing Location:

Lordstown, Ohio, USA (GM Assembly Plant)

🏆 Awards & Recognition

Initial Safety Ratings:

Received good safety ratings from NHTSA and IIHS upon its introduction, though some areas like rollover resistance were less competitive than newer designs.

Value Awards:

Often cited for its affordability and value proposition within the compact car segment, making it a popular choice for budget-conscious consumers.