Target Audience:
Family car, commuters
Key Competitors:
Toyota Camry, Honda Accord, Ford Fusion, Nissan Altima, Hyundai Sonata, Kia Optima
Design Philosophy:
Focus on improved styling, efficiency, and technology compared to previous generations, particularly with the 2013 redesign.
Powertrain Options:
Wide range of efficient and powerful four-cylinder and V6 engines, along with available hybrid powertrains in later years.
Interior Space:
Emphasis on spacious interior and comfortable seating for passengers.
Safety Features:
Advancements in active and passive safety features, including available driver-assistance technologies.
Engine Mechanical:
Complete engine overhaul, including disassembly, inspection, repair, and reassembly for all covered engine variants.
Engine Performance:
Engine tuning, performance diagnostics, emissions control systems, and turbocharger/supercharger operation (if applicable).
Transmission Manual:
Repair and overhaul procedures for manual transmissions, including clutch service, gear selection mechanisms, and gearbox internals.
Transmission Automatic:
Detailed repair and diagnostic procedures for automatic transmissions (e.g., Hydra-Matic 6T70/6T75, 6T40/6T45, 8T45/8T50), including valve body, torque converter, and electronic control unit (TCU) service.
Drivetrain:
Front-wheel drive (FWD) system, including drive axles, CV joints, differential, and related components.
Brakes:
Hydraulic brake system, including ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), brake pad and rotor replacement, caliper service, brake lines, and parking brake system.
Suspension:
Front and rear suspension systems, including struts, shock absorbers, coil springs, control arms, ball joints, bushings, and wheel bearings.
Steering:
Power steering system (hydraulic or electric power steering - EPS), steering rack, tie rods, steering column, and related components.
Electrical System:
Comprehensive coverage of the vehicle's electrical architecture, including battery, charging system (alternator), starting system, lighting, fuses, relays, and wiring diagrams.
Body And Chassis:
Body panel repair, door and window mechanisms, interior trim, bumper systems, structural integrity, and underbody components.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system, including refrigerant handling, compressor, evaporator, condenser, blower motor, and climate controls.
Safety Systems:
Airbag system (SRS - Supplemental Restraint System) diagnosis and service, seat belt mechanisms, and associated sensors.
Infotainment And Electronics:
Radio, navigation, display systems, speaker installation, and related electronic control modules (ECMs) not covered in other sections.
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug replacement, coolant flushes, brake fluid replacement, and lubrication schedules.
Diagnostic Troubleshooting:
Step-by-step diagnostic flowcharts and procedures for identifying and resolving common and complex issues, often referencing OBD-II trouble codes.
Component Replacement:
Detailed instructions for removing, installing, and adjusting all major vehicle components, from minor sensors to major powertrain assemblies.
Rebuilds And Overhauls:
Comprehensive rebuild procedures for engines, transmissions, and other major mechanical assemblies.
Specifications And Tolerances:
Precise measurements, torque specifications, clearances, and alignment data required for proper repair and assembly.
Wiring Diagrams:
Detailed electrical wiring schematics for all vehicle systems, crucial for troubleshooting electrical faults.
Special Tools:
Identification and usage instructions for specialized tools required for specific repair procedures.
Depth:
Comprehensive. Covers everything from basic fluid changes and filter replacements to complete engine and transmission rebuilds, advanced electronic diagnostics, and bodywork.
Engine Options 2011 2012:
2.4L Ecotec I4 (LE5/LLU), 3.0L V6 (LF1), 3.6L V6 (LLT)
Engine Options 2013 2016:
2.4L Ecotec I4 (LTG - direct injection), 2.4L Ecotec Hybrid (LEH), 3.6L V6 (LLT/LFX)
2.4L Ecotec (Le5/Llu) Approx. Hp/Torque:
169 hp / 160 lb-ft
3.0L V6 (Lf1) Approx. Hp/Torque:
250 hp / 210 lb-ft
3.6L V6 (Llt/Lfx) Approx. Hp/Torque:
270-304 hp / 260-273 lb-ft
2.4L Ecotec (Ltg) Approx. Hp/Torque:
182 hp / 170 lb-ft
2.4L Ecotec Hybrid (Leh) Approx. Hp/Torque:
182 hp (combined system) / 172 lb-ft (engine)
Fuel Delivery:
Port Fuel Injection (PFI) for LE5/LLU/LF1/LLT, Direct Injection (DI) for LTG/LFX/LEH.
Recommended Fuel:
87 octane regular unleaded gasoline (check specific engine requirements).
Oil Change Interval:
Typically every 7,500 miles or 12 months with synthetic oil, but consult the owner's manual for specific recommendations based on driving conditions.
Tire Rotation Interval:
Every 7,500 miles, coinciding with oil changes.
Engine Air Filter Replacement:
Approximately every 30,000 - 45,000 miles, or as needed based on inspection.
Cabin Air Filter Replacement:
Approximately every 15,000 - 25,000 miles, or as needed based on inspection.
Transmission Fluid Change:
Often considered 'lifetime' by manufacturers, but recommended every 60,000 - 100,000 miles for longevity, especially under severe usage. Specific fluid type is critical.
Engine Oil Type:
Dexos1® or Dexos1® Gen 2 synthetic 5W-30 is commonly specified for Ecotec engines and V6 engines. Always verify with the specific vehicle's manual or underhood sticker.
Coolant Type:
GM's orange coolant (Dex-Cool®), a long-life silicate-free antifreeze/coolant. GM Part No. 10-1308 (88862584) or equivalent.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid. Verify with owner's manual for precise specification.
Common Problems 2011 2012:
Some reports of oil consumption in the 2.4L Ecotec engine, potential issues with the automatic transmission torque converter clutch, and HVAC system faults.
Common Problems 2013 2016:
Early 2.4L direct injection (LTG) engines had some issues related to carbon buildup on intake valves. Possible transmission control module issues and power steering system complaints (EPS) in some instances. Some battery drain issues have been reported.
