🏷️ Basic Information Identification Make: Infiniti Model: M30 Model Code: F31 Series Production Years: 1990-1992 👋 Introduction Market Position Target Audience: Do-it-yourselfer as well as the experienced mechanic. Value Proposition:...
Anti-lock Braking System (ABS) available as an option.
💡 Technology Features
Infotainment
Audio System:
Premium audio system with cassette player and optional CD player available.
Climate Control:
Automatic climate control available on higher trims.
Driver Assistance
Cruise Control:
Standard on most models.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Refer to manual for specific interval (typically 3,750-5,000 miles or 6 months).
Timing Belt Replacement:
Refer to manual for specific interval (critical component for VG30DE engine).
Fluid Specifications
Engine Oil Type:
Refer to manual for specific API service classification and viscosity grade (e.g., 10W-30 or 5W-30).
Coolant Type:
Refer to manual for type (likely ethylene glycol-based).
Transmission Fluid Type Auto:
Refer to manual for specific ATF type (e.g., Dexron III or equivalent).
Transmission Fluid Type Manual:
Refer to manual for specific gear oil specification.
Known Issues
Common Issues General:
Age-related wear on suspension bushings, climate control O-rings, electrical connectors, and potential head gasket issues (though less common than some other V6s of the era).
Common Issues Engine:
VCT (Variable Cam Timing) system on some VG30DE variants can be a point of failure if not maintained.
📚 Vehicle History
Brand Heritage
Infiniti Launch:
Infiniti was launched in 1989 as Nissan's luxury division.
Model Evolution
M30 Basis:
The Infiniti M30 was based on the Nissan Leopard F31 chassis.
Production
Production Location:
Japan (for Nissan Leopard/Infiniti M30)
🏆 Awards & Recognition
Recognitions
Infiniti Reputation:
Infiniti brand established a reputation for luxury and performance during this era.
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