Infiniti Q45 (G50) since 1993, repair e-manual

Content

General information

• Precaution
• How to use this manual
• How to read wiring diagrams
• How to follow flow chart in trouble diagnoses
• Consult checking system
• Identification information
• Lifting points and tow truck towing
• Tightening torque of standard bolts

Maintenance

• Precautions / preparation
• General maintenance
• Periodic maintenance
• Recommended fluids and lubricants
• Engine maintenance
• Chassis and body maintenance
• Service data and specifications

Engine mechanical

• Precautions
• Preparation
• Outer component parts
• Compression pressure
• Oil pan
• Timing chain
• Oil seal replacement
• Cylinder head
• Engine removal
• Cylinder block
• Service data and specifications

Engine lubrication and cooling systems

• Precautions and preparation
• Engine lubrication system
• Engine cooling system
• Service data and specifications

Engine fuel and emission control system

• Preparation and precautions
• Engine and emission control parts description
• Engine and emission control system description
• Idle speed / ignition timing / idle mixture ratio inspection
• Trouble diagnoses
• Multiport fuel injection system system inspection
• Evaporative emission system
• Crankcase emission control system
• Service data and specifications

Accelerator control

• Accelerator control system
• Fuel system
• Exhaust system

Automatic transmission

• Preparation and precautions
• A/T control diagram
• Trouble diagnoses
• On-vehicle service
• Removal and installation
• Major overhaul
• Disassembly
• Repair for component parts
• Assembly
• Service data and specifications

Propeller shaft and differential carrier

• Preparation
• Propeller shaft
• Final drive
• Service data and specifications

Front axle and front suspension

• Precautions and preparation
• Front axle and front suspension
• On-vehicle service
• Full-active suspension
• Trouble diagnoses for full-active suspension system
• Service data and specifications

Rear axle and rear suspension

• Precautions and preparation
• Rear axle and rear suspension
• On-vehicle service
• Rear axle
• Rear suspension
• Super hicas
• Service data and specifications

Brake system

• Precautions and preparation
• Check and adjustment
• Brake hydraulic line / control valve
• Brake pedal and bracket
• Master cylinder
• Brake booster
• Vacuum piping
• Front disc brake
• Rear disc brake
• Parking brake control
• Anti-lock braking system ABS
• Trouble diagnoses for ABS
• Traction control system TCS

Steering system

• Precautions and preparation
• On-vehicle service
• Steering wheel and steering column
• Power steering gear and linkage
• Power steering oil pump
• Twin orifice power steering system
• Super hicas system
• Service data and specifications

Body

• General servicing
• Body end
• Door
• Instrument panel
• Interior and exterior
• Seat
• Trouble diagnoses
• Automatic drive positioner

Heater and air conditioner

• Precautions
• Description
• Preparation
• Discharging, evacuating, charging and checking
• Service procedures

Electrical system

• Exterior lamp
• Interior lamp
• Meter and gauges
• Warning lamps and chime
• Diagnostic information display
• Time control system
• Wiper and washer
• Horn, cigarette lighter, clock
• Rear window defogger
• Audio and power antenna
• Telephone
• Automatic speed control device
• Theft warning system
• Location of electrical units
• Harness layout
• Splice location
• Ground distribution
• Super multiple junction (S.M.J.)

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