Market Position:
The Infiniti QX56 (2007) is a full-size luxury SUV, positioned as a premium offering in its segment, competing with vehicles like the Cadillac Escalade, Lincoln Navigator, and Chevrolet Suburban.
Competitive Analysis:
The QX56 offered a powerful V8 engine, spacious interior, and a refined driving experience, emphasizing comfort and luxury. Its mechanical underpinnings were shared with the Nissan Armada, providing a robust platform.
Key Features:
This workshop manual provides comprehensive coverage of the 2007 Infiniti QX56, enabling owners and technicians to perform a wide range of maintenance, diagnostic, and repair tasks, including detailed procedures for major component overhauls and system diagnostics.
Coverage Areas:
Engine Overhaul & Rebuilding, Brakes, Sunroofs, Timing Belt Replacement, Trouble Codes, Wiring Diagrams, Troubleshooting & Diagnostics, Computer Diagnostic Trouble Tree Charts, Engine Performance, Front End & Alignment Procedures & SPECIFICS, Suspension, Transmission Removal & Installation, Air Conditioning & Capacities, Transmission In Car Servicing, Computer Diagnostic Codes, Firing Orders, Factory Maintenance Schedules & Charts, Serpentine Belt Routings With Diagrams, Timing Belt Service Procedures, Brake Servicing Producers, Driving Concerns, Complete Torques SPECIFICS, U-Joint AND CV-Joint Service Procedures, Repair Procedures, Vacuum Diagrams
Page Count:
Undisclosed (Manuals can be to 4000 MB, suggesting extensive content)
Manual Type:
Workshop Service Repair Manual
File Access:
Instant download access upon purchase, with instructions for saving to various devices. No physical media provided.
Systems Covered:
Engine (Internal, Cooling, Lubrication, Fuel, Ignition, Exhaust), Braking System, Suspension System (Front & Rear), Steering System, Drivetrain (Transmission, Transfer Case, Axles, Driveshafts), Electrical System (Battery, Charging, Starting, Lighting, Instruments, Body Control Modules, Powertrain Control Module), HVAC System (Air Conditioning), Body and Chassis (Interior, Exterior, Doors, Windows, Sunroof), Diagnostic Systems, Emissions Control Systems
Electrical System Details:
Complete wiring diagrams are provided, covering engine control, chassis control, body control, lighting, audio, HVAC, power accessories, and diagnostic circuits. Includes fuse box layouts and component locations.
Body And Interior:
Procedures for servicing doors, windows, locks, seats, dashboard, headliner, and sunroof mechanisms. Includes body panel repair and alignment guidance.
Procedures Included:
Engine overhaul and rebuilding, timing belt replacement and service, serpentine belt routing and replacement, brake servicing, suspension repair and alignment, transmission removal, installation, and in-car servicing, sunroof repair, troubleshooting and diagnostics, computer diagnostics with trouble codes and diagnostic trouble tree charts, engine performance tuning, U-joint and CV-joint service, general repair procedures, torque specifications for all components, vacuum system diagnosis and repair
Diagnostics Procedures:
Detailed troubleshooting guides, diagnostic trouble code (DTC) interpretation, computer diagnostic trouble tree charts for systematic problem diagnosis, and engine performance analysis procedures.
Maintenance Schedules:
Comprehensive factory maintenance schedules and charts detailing required service intervals for all major components and fluids.
Technical Depth:
Comprehensive factory-level repair and maintenance information suitable for professional technicians and DIY enthusiasts, covering everything from routine maintenance to complete engine and transmission rebuilds, advanced diagnostics, and detailed wiring diagrams.
Torque Specifications:
Extensive torque specifications for all major and minor fasteners across all vehicle systems, crucial for accurate assembly and repair.
File Format:
PDF (Portable Document Format)
File Requirements:
Requires a PDF reader. Zipped files require WinZip or WinRAR for extraction.
Print Quality:
High-resolution, printable pages with hundreds of illustrations. Quality is dependent on user's printer.
Binding Type:
Not Applicable (Digital Download)
Paper Type:
Not Applicable (Digital Download)
Primary Engine:
VK56DE 5.6L V8 DOHC 32-valve Aluminum-Alloy Engine
Horsepower:
320 hp @ 4900 rpm (approx.)
Torque:
393 lb-ft @ 3400 rpm (approx.)
Fuel System:
Electronic multi-point fuel injection
Engine Type:
Naturally Aspirated
Bore X Stroke:
98.0 mm x 92.0 mm (approx.)
Compression Ratio:
9.7:1 (approx.)
Timing Belt Chain:
Timing Chain
Transmission Type:
5-speed automatic transmission with manual shift mode (Sportronic)
Optional Transmission:
N/A (Single standard transmission offering)
Transmission Features:
Tow mode, adaptive shift control, downhill speed control
Transmission Fluid Type:
Nissan Matic S or equivalent (Refer to manual for specific PN and capacity)
Wheelbase:
123.2 inches (3129 mm)
Length:
207.4 inches (5268 mm)
Width:
79.3 inches (2014 mm)
Height:
75.0 inches (1905 mm)
Curb Weight:
5,821 - 5,866 lbs (2640 - 2661 kg) (approx.)
Gross Vehicle Weight Rating:
7,500 lbs (3402 kg) (approx.)
Cargo Volume Behind 3Rd Row:
16.0 cu ft (approx.)
Cargo Volume Behind 2Nd Row:
46.0 cu ft (approx.)
Cargo Volume Behind 1St Row:
97.1 cu ft (approx.)
Towing Capacity:
9,100 lbs (4128 kg) (approx.)
NHTSA Rollover Rating:
4 out of 5 stars (for 2WD and 4WD models)
Active Safety Features:
ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), Brake Assist, Traction Control System (TCS), Vehicle Dynamic Control (VDC)
Passive Safety Features:
Front and side-impact airbags for driver and front passenger, three-row side curtain airbags with rollover sensor, active front head restraints, pretensioners with load limiters for front seat belts, LATCH (Lower Anchors and Tethers for Children) system
Infotainment System:
Optional Infiniti Navigation System with 8-inch WVGA color touch-screen, Bluetooth hands-free phone system, Bose premium audio system with 10 speakers, rearview camera.
Driver Assistance Features:
Rear parking sensors (optional), intelligent key with push-button ignition, cruise control.
Connectivity Features:
Bluetooth connectivity for hands-free calling.
Lighting Features:
Bi-xenon projector headlights, LED tail lights, fog lights.
Oil Change Interval:
Every 5,000 - 7,500 miles or 6 months (refer to manual for specific conditions and oil type)
Tire Rotation Interval:
Every 7,500 miles
Engine Air Filter Replacement:
Every 30,000 miles or as needed based on driving conditions
Cabin Air Filter Replacement:
Every 15,000 miles or annually
Engine Oil Type:
SAE 5W-30 (API certified, synthetic or synthetic blend recommended, check manual for full specification)
Coolant Type:
Nissan Genuine Super Long Life Coolant (Blue) or equivalent OAT coolant (50/50 mix)
Brake Fluid Type:
SAE J1703 or FMVSS 116 DOT 3
Power Steering Fluid Type:
Nissan Genuine Power Steering Fluid or equivalent ATF Dexron-III/Mercon (Refer to manual)
Known Issues:
Potential for oil leaks from valve covers and oil pan, catalytic converter issues, early wear on suspension components (ball joints, bushings), HVAC blower motor resistor failures, and occasional electronic module glitches. The manual will guide diagnosis and repair for these.
Brand Heritage:
Infiniti, established in 1989 by Nissan, aimed to compete in the premium luxury automotive segment, focusing on performance, technology, and refined design.
Model Evolution:
The QX56 (JA60 chassis) was first introduced for the 2004 model year, based on the Nissan F-Alpha platform, shared with the Nissan Titan, Armada, and Xterra. The 2007 model year represented a mid-cycle refresh with minor updates.
Production Location:
Smyrna, Tennessee, USA (Nissan North America Manufacturing Plant)