Segment:
Full-size Luxury Sedan
Competitors:
Ford Crown Victoria/Mercury Grand Marquis, Chrysler 300, Toyota Avalon, Lincoln Town Car
Platform:
GM Epsilon platform (shared with Cadillac DTS)
Powertrain Options:
Emphasis on V6 and V8 engine options for smooth power delivery.
Ride Comfort:
Focus on comfortable ride quality and quiet cabin.
Scope:
All models, engines, trim levels, and transmissions
Estimated Pages:
Comprehensive (Exact count not specified, implies extensive coverage)
Type:
Workshop Service Repair Manual
Delivery Format:
Downloadable Digital File (PDF)
Engine:
Internal combustion engine diagnostics, repair, overhaul, and maintenance for all specified engine options.
Transmission:
Automatic transmission repair, diagnosis, fluid service, and component replacement.
Brakes:
Brake system inspection, repair, hydraulic components, ABS system diagnostics, and rotor/pad replacement.
Electrical:
Complete electrical system schematics, component testing, diagnosis of lighting, power accessories, starting/charging system, and body control modules.
Suspension Steering:
Front and rear suspension component diagnosis, alignment specifications, steering system repair, and power steering system service.
Body Chassis:
Body panel repair, interior trim removal/installation, door and window mechanisms, chassis component inspection, and rust repair.
Cooling Exhaust:
Cooling system service (radiator, thermostat, water pump), HVAC system diagnosis, and exhaust system repair.
Fuel Emissions:
Fuel system components, fuel pump, injectors, evaporative emissions control system (EVAP) diagnosis.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis, refrigerant handling, component replacement (compressor, evaporator, heater core).
Maintenance:
Scheduled maintenance, fluid level checks, filter replacement, lubrication points, and routine inspections.
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides, and common fault identification.
Repair:
Detailed step-by-step instructions for component removal, disassembly, repair, and reassembly.
Installation:
Procedure for installing new or replacement parts and accessories.
Diagnostics:
OBD-II diagnostics, sensor testing, actuator testing, and powertrain control module (PCM) related diagnostics.
Specifications:
Torque specifications, clearances, fluid capacities, and alignment data.
Depth:
Comprehensive from basic maintenance to in-depth mechanical and electrical repairs, including engine and transmission rebuilds.
Engine 3.8L V6 Supercharged:
3.8L Series II Supercharged V6 (L32), 275 hp @ 5200 rpm, 297 lb-ft @ 3600 rpm
Engine 3.9L V6 Flexfuel:
3.9L V6 (LZ9), 275 hp @ 6000 rpm, 275 lb-ft @ 4000 rpm (Gasoline); 270 hp @ 6000 rpm, 271 lb-ft @ 4000 rpm (E85)
Engine 4.6L V8 Northstar:
4.6L Northstar V8 (LD8), 275 hp @ 6000 rpm, 295 lb-ft @ 4400 rpm
Engine Type Details:
Naturally aspirated and supercharged V6, naturally aspirated V8 configurations.
Injection Type:
Sequential Multi-Port Fuel Injection (MPFI) or Direct Injection (DI) depending on specific engine.
Fuel Type:
Unleaded gasoline, E85 compatible for the 3.9L V6 FlexFuel.
Length:
Approximately 200.7 inches (5098 mm)
Width:
Approximately 73.0 inches (1854 mm)
Height:
Approximately 57.6 inches (1463 mm)
Wheelbase:
Approximately 116.0 inches (2946 mm)
Front Headroom:
Approx. 39.4 inches (1001 mm)
Rear Headroom:
Approx. 37.6 inches (955 mm)
Front Legroom:
Approx. 42.0 inches (1067 mm)
Rear Legroom:
Approx. 37.7 inches (958 mm)
Trunk Volume:
Approximately 15.1 cubic feet (427 L)
Curb Weight:
Varies by model, generally between 3700 - 4000 lbs (1678 - 1814 kg)
NHTSA Front Impact:
5-Star Rating (Driver and Passenger)
NHTSA Side Impact:
5-Star Rating (Front and Rear Passengers)
Traction Control:
Standard on all models
Electronic Stability Control:
Available/Standard depending on trim level.
ABS:
Standard Anti-lock Braking System
Airbags:
Frontal airbags, front and rear side-impact curtain airbags, available front seat-mounted side airbags.
Audio System:
Available premium audio systems (e.g., Harman Kardon), CD player, MP3 compatibility.
Navigation:
Optional factory navigation system.
Parking Assist:
Available rear parking assist sensors (Ultrasonic).
Remote Start:
Available factory remote start system.
Bluetooth:
Available Bluetooth hands-free connectivity (OnStar integration).
Oil Change Interval:
Typically every 7,500 miles or 6 months with synthetic oil, refer to manual for exact specifications.
Transmission Fluid Change:
Recommended every 50,000 - 100,000 miles, depending on driving conditions; consult manual.
Spark Plug Replacement:
Varies by engine: 100,000 miles for iridium plugs (Northstar), check manual for others.
Engine Oil Type:
SAE 5W-30 synthetic (most engines), refer to owner's manual for specific viscosity and API rating.
Coolant Type:
GM specified Dex-Cool (Orange coolant), Extended Life Antifreeze/Coolant
Transmission Fluid Type:
Dexron VI Automatic Transmission Fluid
Engine Mounts:
Potential for premature failure of engine mounts, especially hydraulic ones, leading to vibration.
Active Fuel Management Lifters:
On some V8 engines with AFM, lifter issues can cause ticking noises or engine misfires.
Strut Mounts:
Premature wear of front strut mounts can cause noise over bumps.
Power Steering Pump:
Occasional reports of noisy or failing power steering pumps.
