Segment:
Full-size Luxury Sedan
Key Competitors:
Lexus LS, BMW 7 Series, Mercedes-Benz S-Class, Audi A8, Cadillac DTS
Unique Selling Points:
VQ35DE V6 Engine, Advanced Suspension Systems, Luxurious Interior, Sophisticated Styling, Availability of HICAS
User Profile:
DIY enthusiasts, independent repair shops, Infiniti Q45 owners seeking reliable repair information
Digital Vs Print:
More convenient, searchable, and up-to-date than traditional printed manuals. Instant access.
Engine:
VQ35DE 3.5L V6 DOHC
Transmission:
5-speed Automatic (RE5R05A)
Drivetrain:
Rear-Wheel Drive (RWD)
Suspension:
Front: Independent Multi-Link; Rear: Independent Multi-Link with Self-Leveling Rear Suspension
Steering:
Vehicle-Speed-Sensitive Power Steering (HICAS - High Precision All-around Calibration system for compatible trims/regions)
Brakes:
Front: Ventilated Discs; Rear: Ventilated Discs; ABS, EBD, Brake Assist
Electrical System:
Comprehensive wiring diagrams, component locations, diagnostic trouble codes (DTCs)
HVAC:
Automatic Climate Control, Refrigerant System
Body And Interior:
Body panel removal/installation, interior trim, glass, seating systems
Safety Systems:
Airbags, Seatbelt Pretensioners, ABS/TCS/VDC Systems
Maintenance:
Routine service, fluid changes, filter replacements, tune-ups
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting, DTC interpretation
Repair:
Component removal, installation, and repair for all covered systems
Diagnostics:
Detailed diagnostic steps, scan tool usage, electrical system testing
Specifications:
Torque specifications, clearances, fluid capacities, wear limits
Engine Mechanical:
Engine assembly, disassembly, cylinder head, piston, crankshaft, timing components
Fuel And Emissions:
Fuel injection system, fuel pump, injectors, emissions control systems, O2 sensors
Electrical Diagnostics:
Battery, charging system, starting system, ignition system, lighting, body control modules (BCM), power accessories, diagnostic scan tool procedures.
Depth:
Comprehensive: From basic maintenance to complete engine and transmission overhauls, including electrical diagnostics and bodywork.
Software Requirements:
Web browser and internet connection (PC, laptop, smartphone, tablet compatible)
Output Quality:
Digital, high-resolution graphics and text. Printable pages available.
Binding:
N/A (Digital Access)
Paper:
N/A (Digital Access)
Subscription Period:
1 Year (with option for discounted renewals)
Engine Type:
3.5L V6 DOHC 24-Valve
Horsepower:
280 hp @ 6,200 rpm (approx.)
Torque:
290 lb-ft @ 4,800 rpm (approx.)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Recommended Fuel:
Premium Unleaded (91 octane or higher)
Oil Capacity:
Approximately 4.9 US quarts (4.7 liters) with filter change
Coolant Capacity:
Approximately 9.3 US quarts (8.8 liters)
Emission System:
Electronically Controlled Catalytic Converter System (ECCS)
Length:
203.1 inches (5,159 mm)
Width:
72.4 inches (1,839 mm)
Height:
58.7 inches (1,491 mm)
Wheelbase:
118.1 inches (3,000 mm)
Curb Weight:
Approximately 3,800 - 4,000 lbs (1,724 - 1,814 kg), varies by trim and options
Gross Vehicle Weight Rating Gvwr:
Approximately 5,000 lbs (2,268 kg)
Trunk Volume:
Approximately 15.9 cubic feet (450 liters)
NHTSA Frontal Driver:
5-Star (2005 Model Year)
NHTSA Frontal Passenger:
5-Star (2005 Model Year)
IIHS Front Crash Rating:
Good
ABS:
Standard Anti-lock Braking System
Traction Control:
Standard Traction Control System (TCS)
Stability Control:
Standard Vehicle Dynamic Control (VDC)
Brake Assist:
Standard Electronic Brake Force Distribution (EBD) and Brake Assist
Airbags:
Front, Side, and Curtain Airbags
Seatbelts:
3-point front and rear seatbelts with pretensioners and load limiters
Audio System:
Bose premium audio system with CD player, AM/FM stereo, and optional navigation system.
Climate Control:
Dual-zone automatic climate control with cabin microfilter.
Adaptive Cruise Control:
Available Intelligent Cruise Control (ICC)
Remote Keyless Entry:
Standard
Keyless Ignition:
Intelligent Key system with push-button ignition
Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first (under normal driving conditions)
Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months
Cabin Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months
Spark Plug Replacement:
Platinum-tipped: Every 100,000 miles (160,000 km)
Transmission Fluid Change:
Every 60,000 miles (96,000 km) or as per severe service schedule
Engine Oil Specification:
API SN or ILSAC GF-5, SAE 5W-30 (Synthetic recommended)
Brake Fluid Specification:
SAE J1703 or FMVSS No. 116 DOT 3
Power Steering Fluid:
Infiniti Genuine Power Steering Fluid or Dexron III/Mercon equivalent
Coolant Specification:
Nissan Blue Long Life Antifreeze/Coolant (Nissan Genuine Super Long Life Coolant)
Common Wear Items:
Tie rod ends, ball joints, wheel bearings, front struts/shocks, catalytic converters (due to age/heat)
Electrical Gremlins:
Can occur with age, particularly with window regulators, door locks, and infotainment systems. ECM/PCM issues are also reported.
Oil Leaks:
Valve cover gaskets and oil pan gaskets can degrade over time.
Cooling System:
Radiator leaks and hose degradation are possible due to age.
Car And Driver 10Best:
While the 2005 Q45 itself may not have specific 10Best awards, the Infiniti brand consistently received recognition for its vehicles during this era for performance and luxury.
Consumer Reports Reliability:
Reliability ratings can vary by year and specific components; owners often report good longevity with proper maintenance, but some models from this era had specific recalls or known issues addressed by the service manual.
