🏷️ Basic Information

Make:

Infiniti

Model:

EX

Model Codes:

J50 Series

Production Years Covered:

2011, 2012, 2013

👋 Introduction

Target Audience:

Do-it-yourselfers and experienced mechanics.

Value Proposition:

Inexpensive way to keep your vehicle working properly, empowers self-repair and cost savings.

Detail Level:

Hundreds of photos and illustrations guiding through each service and repair procedure.

📋 Manual Details

Coverage Areas:

Complete service, repair, maintenance, rebuilding, refurbishing, and restoration.

Page Count:

Over 8000 pages

Manual Type:

Service Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Systems Covered:

General Information, Engine Mechanical, Engine Lubrication, Engine Cooling, Engine Control, Fuel System, Exhaust System, Starting System, Accelerator Control, Hybrid Systems (Hybrid Control, Hybrid Battery, Hybrid Brake, EV Control, Traction Motor, EV Battery, Vehicle Charging, High Voltage Cooling), Clutch, Transaxle & Transmission, Driveline, Front Axle, Rear Axle, Front Suspension, Rear Suspension, Suspension Control, Road Wheels & Tires, Brake System, Parking Brake, Brake Control, Steering System, Steering Control, Seat Belt, Seat Belt Control, SRS Airbag, SRS Airbag Control, Ventilation, HVAC, HVAC Control, Interior, Instrument Panel, Seats, Automatic Drive Positioner, Doors & Locks, Security Control, Glass & Window System, Power Window Control, Roof, Hood, Exterior, Body Repair, Mirrors, Exterior Lighting, Interior Lighting, Wiper & Washer, Defogger, Horn, Approaching Vehicle Sound (VSP), Power Outlet, Body Control System, LAN System, Power Control, Charging System, Power Supply, Ground & Circuit Elements, Meter, Warning Lamp & Indicator, Warning Chime, Sonar System, Audio, Visual & Navigation System, Cruise Control, Driver Assistance System, Drive Mode System, Maintenance.

Procedures Included:

Diagnostic and repair procedures, detailed illustrations, diagrams, wiring schematics, specifications, step-by-step instructions for repair, maintenance, rebuilding, refurbishing, and restoration.

Technical Depth:

Comprehensive, covering everything from basic do-it-yourself tasks to advanced mechanic procedures, including complete disassembly and rebuild guidance.

📊 Manual Specifications

File Requirements:

Adobe PDF Reader & WinZip

Compatibility:

All Versions of Windows & Mac, Linux OS, iPhone, iPad, Android, etc.

Print Quality:

High quality, 100% complete and intact, no missing/corrupt pages/sections.

Searchable And Bookmarked:

Yes

Delivery Method:

Instant Download

⚙️ Engine Specifications

Engine Type Common:

3.7L VQ37VHR V6 (likely for 2011-2013 models, requires confirmation from VIN)

Horsepower Estimate:

Approximately 320-330 hp (for 3.7L V6)

Torque Estimate:

Approximately 270-275 lb-ft (for 3.7L V6)

Fuel Delivery:

Electronic Fuel Injection (EFI) with Sequential Fuel Injection (SFI)

Valvetrain:

Dual Overhead Camshafts (DOHC), 4 valves per cylinder, Variable Valve Event and Lift (VVEL)

🔧 Transmission

Transmission Type:

7-speed Automatic Transmission with Manual Shift Mode and Downshift Rev Matching

Drivetrain Options:

Available in Rear-Wheel Drive (RWD) and All-Wheel Drive (ATTESA E-TS)

📐 Dimensions

Wheelbase:

Approximately 114.7 inches (2913 mm)

Length:

Approximately 180.5 inches (4585 mm)

Width:

Approximately 71.0 inches (1803 mm)

Height:

Approximately 62.7 inches (1593 mm)

Curb Weight Range:

Approximately 3700 - 4000 lbs (depending on RWD/AWD and options)

🛡️ Safety Features

NHTSA Front Crash Test Rating:

5-Star (for comparable model years, specific EX ratings may vary)

IIHS Top Safety Pick:

Yes (for comparable model years, specific EX ratings may vary)

Airbags:

Front, front side, side curtain airbags.

Seatbelts:

Pretensioner and load-limiter equipped seat belts with ELR (Emergency Locking Retractor).

Brake System Type:

4-wheel Vented Disc Brakes with ABS, EBD, and Brake Assist.

Traction Control:

Vehicle Dynamic Control (VDC) and Traction Control System (TCS).

💡 Technology Features

Infotainment System Features:

Infiniti Navigation System with 7-inch or 8-inch color display, Bluetooth Hands-Free Phone System, USB port, MP3 playback capability.

Driver Assistance Features:

Intelligent Cruise Control (ICC), Distance Control Assist (DCA), Forward Collision Warning (FCW), Lane Departure Warning (LDW), Lane Departure Prevention (LDP), Blind Spot Warning (BSW), Backup Collision Prevention (BCP), Intelligent Brake Assist (IBA), Front and Rear Sonar System.

Connectivity Options:

Bluetooth connectivity for phone and audio streaming.

Keyless Entry Start:

Infiniti Intelligent Key with Push Button Ignition.

🔧 Maintenance

Oil Change Interval Typical:

Every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type (refer to manual for exact specification).

Engine Air Filter Replacement Interval Typical:

Every 15,000-30,000 miles (refer to manual for exact specification).

Engine Oil Type Typical:

SAE 0W-20 Synthetic (for VQ37VHR engine, confirm with manual)

Transmission Fluid Type Typical:

NISSANMATIC ATF J (or equivalent specified by Nissan/Infiniti, refer to manual)

Coolant Type Typical:

Nissan Super Long Life Coolant (NS2 or NS3, refer to manual for specific application)

Common Wear Items:

Brake pads/rotors, tires, front suspension components (e.g., bushings, ball joints) due to vehicle weight and performance.

Potential Electrical Issues:

Infotainment system glitches, sensor failures (may be addressed by manual troubleshooting sections).

📚 Vehicle History

Infiniti Positioning:

Luxury division of Nissan, emphasizing performance, luxury, and advanced technology.

Infiniti Ex Segment:

Luxury crossover SUV, positioned between the smaller Infiniti QX50 (formerly EX) and larger Infiniti QX70 (formerly FX).

Original Launch Year:

2007 (as 2008 model year)

🏆 Awards & Recognition

Competitive Segment Recognition:

The Infiniti EX was generally well-received for its sporty handling and luxury appointments within the compact luxury crossover segment. Specific awards may vary by year and region.