This comprehensive Service Repair Manual covers every aspect of the Infiniti Q45, encompassing models from 1997 to 2001 (FY33 series). It is your all-encompassing resource for repair, maintenance, rebuilding, refurbishing, or restoration. The manual provides detailed and illustrated instructions for all diagnostic and repair procedures. It features clear diagrams, wiring schematics, and specifications to guide you through every step. The content includes: **General Information:** Offers a foundation of knowledge about your Q45, including specifications, safety precautions, and basic tools. **Maintenance:** Covers routine maintenance tasks, from oil changes and filter replacements to tire rotations and inspections, ensuring your vehicle stays in top condition. **Engine Mechanical:** Provides in-depth information on the engine's mechanical components, including the cylinder head, crankshaft, pistons, and valves. Learn how to diagnose and repair engine issues. **Engine Lubrication & Cooling Systems:** Explains the workings of the engine's lubrication and cooling systems, covering topics like oil pumps, radiators, and thermostats. **Engine Control System:** Delves into the electronic control system of the engine, covering fuel injection, ignition timing, and emissions control. **Accelerator Control, Fuel & Exhaust Systems:** Explains the components involved in controlling acceleration, fuel delivery, and exhaust emissions. **Automatic Transmission:** Provides detailed instructions for diagnosing and repairing the automatic transmission system, including troubleshooting shifting problems. **Propeller Shaft & Differential Carrier:** Covers the drivetrain components, including the propeller shaft, differential, and axles. **Front Axle & Front Suspension:** Details the front suspension system, explaining how to diagnose and fix issues with steering, wheel alignment, and shock absorbers. **Rear Axle & Rear Suspension:** Provides guidance on understanding and repairing the rear suspension system, including rear axles, shocks, and springs. **Brake System:** Covers all aspects of the brake system, from brake pads and rotors to calipers and master cylinders. **Steering System:** Provides detailed information on the steering system, including power steering, steering rack, and steering wheel components. **Restraint System:** Explains the operation and maintenance of the safety restraint system, including airbags and seatbelts. **Body & Trim:** Offers guidance on repairing and maintaining the car's exterior, including body panels, doors, and trim. **Heater & Air Conditioner:** Explains the operation of the heating and air conditioning system, covering components such as the blower motor, compressor, and refrigerant system. **Electrical System:** Provides detailed information on the vehicle's electrical system, including wiring diagrams, troubleshooting electrical issues, and component repair. **Alphabetical Index:** A comprehensive index allows you to quickly find the information you need. This manual is an essential tool for anyone looking to save money on Q45 repairs. With its detailed instructions and clear illustrations, it empowers you to confidently diagnose and repair your vehicle.

The Infiniti Q45 Service Repair Manual 1997-2001 is a comprehensive guide for mechanics, technicians, and automotive enthusiasts dedicated to maintaining and repairing the Infiniti Q45, a luxury sedan produced by Nissan from 1997 to 2001. This manual functions as an essential resource, providing detailed instructions and technical specifications for various aspects of the vehicle, including engine, transmission, braking system, suspension, electrical system, and bodywork. It is an invaluable tool for troubleshooting problems, performing routine maintenance, and executing major repairs. The manual's detailed diagrams, illustrations, and step-by-step instructions ensure clarity and ease of understanding, making it accessible for both professionals and DIY enthusiasts. The Infiniti Q45, a flagship model for the brand, represented the pinnacle of luxury and performance in the late 1990s and early 2000s. Its sleek exterior design, spacious and luxurious interior, and powerful V8 engine earned it a reputation as a sophisticated and refined car. The Q45 was powered by a 4.5-liter V8 engine, generating 278 horsepower and 324 lb-ft of torque, paired with a smooth-shifting four-speed automatic transmission. This combination provided a balanced blend of performance and comfort, catering to drivers seeking both acceleration and effortless cruising. The Q45 also featured advanced technologies for its time, including a sophisticated suspension system, a premium audio system, and numerous optional features such as leather upholstery, a sunroof, and navigation system. While the Q45 may be a classic model today, its reliability and well-maintained condition make it a desirable choice for discerning car enthusiasts.