This comprehensive service and repair manual is specifically designed for the 2003 Infiniti QX4. Developed with licensed information from original equipment manufacturer (OEM) materials, this manual provides you with a wealth of detailed information, making it an indispensable resource for DIY car enthusiasts. Whether you're tackling a complex repair like replacing brake components or suspension parts, or simply performing routine maintenance like engine upkeep, this manual has you covered. Explore detailed instructions for addressing issues with your QX4's steering, engine, drivetrain, wiring, heating, air conditioning, and more. Gain access to the same level of information previously only available through expensive printed manuals, now conveniently accessible at your fingertips. This manual empowers you to save money by tackling repairs yourself while ensuring you have the accurate and reliable information you need to complete the job correctly.

The 2003 Infiniti QX4 is a mid-size SUV that was produced by Nissan under the Infiniti luxury brand. It was built on the same platform as the Nissan Pathfinder, sharing its rugged chassis and capable four-wheel drive system. The QX4 offered a comfortable and refined driving experience, with a spacious interior and a powerful V6 engine. It was available in two trim levels, the base model and the more luxurious Limited edition. The QX4's standard features included power windows, locks, and mirrors, as well as a sunroof, climate control, and a premium sound system. The Limited edition added leather upholstery, heated seats, and a power driver's seat.

The 2003 Infiniti QX4 was powered by a 3.3-liter V6 engine that produced 170 horsepower and 210 lb-ft of torque. This engine was mated to a four-speed automatic transmission, and it provided adequate power for everyday driving and light towing. The QX4's four-wheel drive system was designed to provide excellent traction in a variety of conditions, including snow, ice, and rough terrain. The QX4's suspension was tuned for a comfortable ride, and its handling was responsive and predictable. The QX4 was a popular choice for families and individuals looking for a stylish and capable SUV. It offered a comfortable ride, plenty of cargo space, and a powerful engine, all wrapped up in a luxurious package. However, it was discontinued after the 2004 model year, making way for the new QX56.