1993 Infinity Q45 G50 Repair Workshop and Troubleshooting Manual

The Infiniti Q45 is a full-size luxury car that served as the flagship of Nissans Infiniti marque from 1990 until 2006. This repair, workshop and troubleshooting manual apply for 1993 Infinity Q45 G50 series. In order to assure your safety and the efficient functioning of the vehicle, this service manual should be read thoroughly. The service methods in this service manual are described in such a manner that the service may be performed safely and accurately. The manual is divided into sections as follows:

General Information: Precautions, How to Use This Manual, How to Read Wiring Diagram, How to Follow Flow Chart in Trouble Diagnosis, Consult Checking System, Identification Information, Lifting Points and Tow Truck Towing, Tightening Torque of Standard Bolts.

Maintenance: General Maintenance, Periodic/Scheduled Maintenance, Recommended Fluids and Lubricants, Engine Maintenance (checking drive belts, engine coolant, fuel lines, fuel filter, air cleaner filter, engine oil, oil filter, spark plugs, vapor lines), Chassis and Body Maintenance, Service Data and Specification

Engine Mechanical: Precautions, Preparation (special service tools), Outer Component Parts, Compression Pressure, Timing Chain, Oil Seal Replacement, Cylinder Head, Engine Removal, Cylinder Block, Service Data and Specification.


Engine Lubrication and Cooling System

Engine Fuel and Emission Control System

Accelerator Control, Fuel and Exhaust System

Automatic Transmission

Propeller Shaft and Differential Carrier

Front Axle and Front Suspension

Rear Axle and Rear Suspension

Brake System

Steering System

Body

Heater and Air Conditioner

Electrical System
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