Engine Mechanical:
Complete overhaul, cylinder head, engine block, pistons, crankshaft, camshafts, timing, lubrication system (oil pump, oil pan)
Engine Electrical:
Ignition system, charging system (alternator, battery), starting system (starter motor), sensors (crankshaft position, camshaft position, O2, etc.), wiring diagrams, ECM/PCM diagnostics
Emission Control:
EVAP system, EGR system, catalytic converter, PCV system, emissions-related sensor diagnostics
Fuel System:
Fuel pump, fuel injectors, fuel pressure regulator, fuel filter, fuel tank, fuel lines, diagnostic procedures
Clutch System:
Clutch disc, pressure plate, release bearing, clutch master and slave cylinders (for manual transmission models)
Manual Transaxle:
Gearbox overhaul, clutch pedal assembly, shift linkage, internal components, fluid specifications
Automatic Transaxle:
Transmission overhaul, valve body, torque converter, planetary gear sets, solenoids, transmission fluid, diagnostic procedures, control module programming
Driveshaft And Axle:
CV joints, half-shafts, differential, driveshaft U-joints (if applicable), wheel bearings
Suspension System:
Front and rear suspension components, shock absorbers, struts, control arms, ball joints, bushings, wheel alignment specifications
Steering System:
Power steering pump, steering rack, tie rods, steering column, power steering fluid, diagnostic procedures
Restraint System:
Airbag system (SRS), seat belts, SRS module diagnostics, airbag replacement procedures
Brake System:
Brake pads, rotors, calipers, master cylinder, brake lines, ABS system, EBD system, parking brake, brake fluid specifications
Body Interior Exterior:
Body panels, doors, windows, mirrors, interior trim, seats, headliner, bumpers, weatherstripping, corrosion protection
Body Electrical System:
Lighting (headlights, taillights, interior), power windows, power locks, mirrors, wipers, horns, body control module (BCM), fuse box diagrams, relay locations
HVAC:
Air conditioning system, heating system, climate control module, blower motor, refrigerant type and charge, cabin air filter replacement
Maintenance Procedures:
Oil change, filter replacement, fluid flushes (coolant, brake, transmission, power steering), spark plug replacement, belt replacement, tire rotation and balancing
Diagnostic Procedures:
Troubleshooting guides, diagnostic trouble codes (DTCs), using scan tools, symptom-based diagnostics
Repair Procedures:
Component removal and installation, rebuild procedures (engine, transmission), component testing, calibration
Installation Procedures:
Component replacement, module programming and configuration, accessory installation
Diagnostic Complexity:
Advanced diagnostics, including electrical schematics, sensor data interpretation, and module communication troubleshooting
Rebuild Capability:
Full overhaul procedures for major components like the engine and transmissions, including detailed torque specifications and clearances
Wiring Diagrams:
Comprehensive and detailed electrical wiring diagrams for all vehicle systems, including component locations and pin-outs
Engine Option 1:
3.6L V6 VVT DI (Direct Injection) - RPO: LFX or LLT
Engine Displacement V6:
3564 cc (217.5 cubic inches)
Engine Configuration V6:
V-configuration
Engine Bore V6:
94 mm (3.70 inches)
Engine Stroke V6:
85.5 mm (3.37 inches)
Engine Compression Ratio V6:
11.3:1 (LLT), 12.2:1 (LFX)
Engine Horsepower V6:
Approximately 304-318 hp @ 6300-6400 rpm (depending on variant)
Engine Torque V6:
Approximately 260-273 lb-ft @ 4400-5200 rpm (depending on variant)
Engine Fuel Delivery:
Direct Injection (DI)
Engine Valvetrain:
Dual Overhead Camshafts (DOHC), 4 valves per cylinder, Variable Valve Timing (VVT)
Engine Option 2:
4.6L V8 VVT - RPO: LH2
Engine Displacement V8:
4600 cc (280 cubic inches)
Engine Configuration V8:
V-configuration
Engine Horsepower V8:
Approximately 320-325 hp @ 6400 rpm
Engine Torque V8:
Approximately 300-307 lb-ft @ 4400 rpm
Engine Fuel Delivery V8:
Multi-Port Fuel Injection (MPFI)
Engine Valvetrain V8:
Dual Overhead Camshafts (DOHC), 4 valves per cylinder, Variable Valve Timing (VVT)
Performance Variants:
CTS, CTS Luxury, CTS Performance, CTS Premium, CTS Sport, CTS-V (supercharged V8, not covered by this specific manual description but part of the model line)
Fuel Type:
Premium Unleaded Gasoline (recommended for V6 and V8)
Wheelbase:
Approximately 113.4 inches (2880 mm)
Overall Length:
Approximately 191.6 inches (4867 mm)
Overall Width:
Approximately 72.5 inches (1841 mm)
Overall Height:
Approximately 57.3 inches (1455 mm)
Front Track:
Approximately 61.0 inches (1550 mm)
Rear Track:
Approximately 61.7 inches (1567 mm)
Front Headroom:
Approximately 38.8 inches (985 mm)
Rear Headroom:
Approximately 37.2 inches (945 mm)
Front Legroom:
Approximately 42.1 inches (1069 mm)
Rear Legroom:
Approximately 35.0 inches (889 mm)
Shoulder Room Front:
Approximately 55.3 inches (1405 mm)
Shoulder Room Rear:
Approximately 53.7 inches (1364 mm)
Cargo Volume:
Approximately 13.6 cubic feet (385 liters)
Curb Weight:
Approximately 3700-4000 lbs (1680-1815 kg), depending on engine and drivetrain
Gross Vehicle Weight Rating:
Varies by configuration (detailed in manual)
Towing Capacity:
Not typically specified or recommended for this model
Wheel Bolt Pattern:
5 x 120 mm (common for GM rear-wheel-drive platforms)
Wheel Size:
Standard 17-inch, optional 18-inch, 19-inch
Tire Size:
Example: P235/50R17, P245/45R18, P255/35R19 (varies by trim and option)
Oil Change Interval:
Every 7,500 miles or 6 months, or as indicated by the Oil Life Monitoring System.
Engine Air Filter Replacement:
Approximately every 30,000-50,000 miles, or as needed based on inspection.
Cabin Air Filter Replacement:
Approximately every 15,000-25,000 miles, or annually.
Spark Plug Replacement V6:
Approximately every 100,000 miles (Iridium plugs)
Spark Plug Replacement V8:
Approximately every 60,000 miles (Premium Platinums)
Coolant Flush:
Every 5 years or 100,000 miles (Dex-Cool)
Transmission Fluid Change Auto:
Typically every 45,000-100,000 miles, consult manual or vehicle history. Some sources suggest fluid for life, but regular changes are recommended for longevity.
Transmission Fluid Change Manual:
Every 60,000-100,000 miles, or as specified.
Brake Fluid Flush:
Every 2-3 years or as recommended by service interval indicator.
Engine Oil V6:
SAE 5W-30, Dexos1 Gen 2 approved (API SN or higher)
Engine Oil V8:
SAE 5W-30 (Mobil 1 Synthetic recommended)
Coolant:
GM P/N 89022082 (or equivalent orange Dex-Cool, 50/50 mix with distilled water)
Transmission Fluid Auto:
Dexron VI
Transmission Fluid Manual:
Refer to manual for specific gear oil specification (e.g., Dexron II/III or specific GL-4/GL-5 rated oil)
Power Steering Fluid:
GM P/N 12345884 (or equivalent synthetic power steering fluid)
Brake Fluid:
DOT 3 (or DOT 4 where specified)
Common Problem 1:
Water pump leaks (especially on early direct-injection V6 engines)
Common Problem 2:
Oil cooler line leaks (particularly on models with the 4.6L V8)
Common Problem 3:
Variable Valve Timing (VVT) actuator issues leading to rough idle or check engine light
Common Problem 4:
Infotainment system glitches or failure
Common Problem 5:
Door lock actuator failures
Transmission Rebuild:
Comprehensive steps for rebuilding both automatic and manual transmissions.
Engine Overhaul:
Detailed procedures for complete engine disassembly and reassembly, including component specifications.