Positioning:
High-performance luxury sport sedan
Competitors:
BMW M5, Mercedes-Benz AMG E-Class, Audi S6, Jaguar XJ Supercharged.
Performance Focus:
Supercharged V8 engine, sophisticated chassis, performance-tuned suspension, premium luxury.
Manual Value:
Provides dealership-level diagnostic and repair capabilities for owners and independent technicians.
Engine Mechanical:
Complete internal and external engine components, including supercharger system.
Engine Control System:
ECM diagnostics, sensor readings, fuel injection, ignition timing, emissions control.
Transmission:
4-speed automatic transmission (4L70-E) overhaul, diagnostics, and service.
Drivetrain:
Rear-wheel drive, driveshaft, differential, axle service and repair.
Suspension Steering:
Front and rear suspension components, power steering system, steering column.
Brakes:
Hydraulic brake system, ABS, traction control, parking brake service and diagnostics.
Electrical System:
Complete wiring schematics, component testing, charging system, starting system.
Body And Interior:
Exterior panels, doors, windows, mirrors, interior trim, seats, instrument panel.
Climate Control:
Air conditioning system service, diagnostics, and refrigerant handling.
Restraint Systems:
Supplemental Restraint System (SRS) including airbags and seat belts.
Comfort And Convenience:
Cruise control, power locks, wipers, washers, horn, audio/visual systems.
Multiplex Communication:
CAN bus communication, multiplex systems diagnostics.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation.
Repair:
Step-by-step repair procedures for all vehicle systems, including major component overhauls.
Disassembly Assembly:
Detailed instructions for removing and reinstalling all vehicle components.
Wiring Schematics:
Comprehensive, vehicle-specific wiring diagrams for all electrical systems.
Depth:
Expert-level diagnostics, component-level repair, complete rebuilds, and calibration procedures.
Engine Type:
Supercharged V8
Displacement:
4.4 Liters (267.9 cubic inches)
Horsepower:
469 hp @ 6400 rpm
Torque:
439 lb-ft @ 3900 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with sequential port injection.
Supercharger:
Roots-type supercharger with intercooler.
Valve Train:
Dual Overhead Camshafts (DOHC), 32 valves (4 per cylinder).
Bore X Stroke:
3.82 in x 3.58 in (97.0 mm x 91.0 mm)
NHTSA Front Impact Driver:
5-Star
NHTSA Front Impact Passenger:
5-Star
NHTSA Side Impact Front Seat Passenger:
5-Star
NHTSA Side Impact Rear Seat Passenger:
5-Star
ABS:
Yes (4-wheel anti-lock braking system)
Traction Control:
Yes (StabiliTrak)
Electronic Stability Control:
Yes (StabiliTrak)
Airbags:
Front airbags, front side-impact airbags, curtain side-impact airbags.
Seat Belts:
3-point front and rear seat belts with pretensioners.
Infotainment System:
Cadillac's infotainment system with touch-screen navigation, Bose premium audio, CD/DVD player.
Adaptive Cruise Control:
Available
Parking Assist:
Rear parking assist sensors.
Bluetooth:
Available for hands-free calling.
Head Up Display:
Available
Heated And Ventilated Seats:
Available
Oil Change Interval:
Typically 5,000-7,500 miles or 6 months, or as indicated by the oil life monitor system.
Transmission Fluid Interval:
Refer to manual, often around 60,000-100,000 miles for severe service, or as per oil life monitor.
Spark Plug Interval:
Typically around 100,000 miles.
Engine Oil Type:
SAE 5W-40 Synthetic (meeting GM spec like dexos1 or earlier GM specific)
Coolant Type:
Dex-Cool (GM 6277M) orange coolant
Brake Fluid Type:
DOT 3 or DOT 4
Supercharger Coupler:
Potential wear or failure of the supercharger snout coupler, leading to reduced boost.
Pcv System:
PCV valve can become clogged, leading to oil consumption or rough idle.
Transmission Performance:
Occasional hard shifts or solenoid issues in the 4L70-E transmission, requiring diagnostic and repair.
General Market Perception:
Recognized as a potent luxury performance sedan, offering significant power for its class.
Consumer Reports Reliability:
Varied, often average to below average for its era, typical of high-performance models.
