Segment:
Mid-size sedan (North America)
Target Audience:
Families, commuters, fleet operators seeking a practical and affordable mode of transportation.
Competitors:
Ford Taurus, Chrysler Concorde/Intrepid, Toyota Avalon, Nissan Maxima, Honda Accord.
Value Proposition:
Offered a comfortable, spacious, and generally reliable option within the mid-size segment, often at a competitive price point, particularly for fleet sales.
Powertrain Availability:
Featured V6 engines for adequate performance and a smooth ride.
Drivability:
Known for a comfortable, compliant ride and decent highway cruising capability.
Powertrain:
Engine mechanical, lubrication system, cooling system, fuel system, exhaust system, ignition system, engine control systems (ECM), transmission (automatic).
Drivetrain:
Front-wheel drive system, axles, driveshafts.
Chassis:
Suspension system (front and rear), steering system, brake system (front and rear disc/drum), wheel alignment.
Electrical:
Battery, charging system, starting system, lighting system, instrumentation, power windows, power locks, climate control (HVAC), audio systems, wiring diagrams, fuses and relays, body control modules.
Body:
Body construction, exterior trim, interior trim, doors, hood, trunk, bumpers, glass, seats, safety restraints (airbags, seatbelts).
Comfort And Convenience:
HVAC system operation and repair, power accessories (windows, locks, mirrors), remote keyless entry (if equipped), interior lighting.
Maintenance:
Fluid level checks and changes, filter replacements, spark plug service, belt inspection and replacement, tire rotation and pressure checks, battery maintenance.
Repair:
Engine component repair/replacement (e.g., head gaskets, water pump, alternator), transmission service and repair, brake pad/rotor replacement, suspension component replacement, steering rack repair, exhaust system repair, starter/alternator replacement, climate control system repair, power accessory repair.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, symptom-based troubleshooting, electrical system diagnostics, component testing procedures.
Specifications:
Torque specifications, clearances, fluid capacities, electrical component resistance values, diagnostic parameters.
Engine Mechanical Repair:
Engine removal and installation, cylinder head removal and installation, piston and connecting rod service, crankshaft service, timing component service (chain/guides), valve train service.
Fuel System Diagnostics:
Fuel pressure testing, fuel injector testing and replacement, fuel pump testing, fuel filter replacement.
Brake System Repair:
Brake pad and rotor replacement, brake caliper service, brake shoe and drum service (rear), brake line and hose inspection/replacement, master cylinder replacement, brake fluid flush and bleed.
Electrical Diagnostics:
Use of diagnostic scan tools, interpretation of diagnostic trouble codes (DTCs), continuity testing, voltage testing, component testing with multimeter and oscilloscope, troubleshooting wiring harness issues.
Body And Interior Repair:
Door panel removal, window motor and regulator replacement, seat removal, interior trim panel replacement, bumper cover repair/replacement, glass replacement procedures.
Emission Control System:
Description of emission control components, diagnostic procedures related to emissions, EVAP system service.
Depth:
Comprehensive, covering basic maintenance to advanced diagnostic and repair procedures, including detailed step-by-step instructions and illustrations.
Diagnostic Tools:
Details on using OBD-II scan tools, multimeters, circuit testers, and specific GM diagnostic software/procedures where applicable.
Schematics:
Detailed wiring diagrams and vacuum schematics provided for all major systems.
Oil Change:
Typically every 5,000-7,500 miles or 6 months, depending on driving conditions and oil type used. Consult manual for specific recommendations.
Transmission Fluid Change:
Recommended every 30,000-60,000 miles or as per severe service schedule. Check dipstick for condition.
Coolant Change:
Typically every 30,000-50,000 miles or 2-5 years. Use correct type of coolant.
Engine Oil:
API Service SG, SH, SJ or higher; SAE 5W-30 recommended for most conditions (consult manual for full temperature chart).
Coolant:
GM Type 1 (green) or Type 2 (orange/premixed) Dex-Cool compatible antifreeze/coolant. Check manual for exact specification for this model year.
Power Steering Fluid:
GM Power Steering Fluid (or equivalent)
Engine Coolant Capacity:
Approximately 13.5 US quarts (12.8 Liters) for the 3.1L V6.
Common Problems:
Intake manifold gasket leaks (3.1L and 3.8L engines), starter motor failure, power steering leaks, window regulator failures, transmission solenoid issues (4T60-E), HVAC blower motor resistor failure.
Preventative Maintenance:
Regularly check for coolant leaks, especially around the intake manifold. Inspect cooling system hoses and belts. Listen for unusual transmission noises.