🏷️ Basic Information Identification Make: Mazda Model: Millenia Model Years Covered: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 👋 Introduction Market Position Class: Luxury Mid-size Sedan Original Target Market: Premium segment, competing with Japanese and European luxury sedans of its era. Competitive Analysis Key Competitors Era: Acura Legend, Lexus ES, Infiniti J30, BMW 3 Series, Mercedes-Benz C-Class Key Features Distinguishing Technology: Miller Cycle engine (supercharged variant) offering a unique blend of power and efficiency. Design Philosophy: European-inspired styling and a focus on quiet, comfortable cruising. 📋 Manual Details Coverage Areas Manual Type: Complete Workshop Service Repair Manual Language: English Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: 3.0L V6 Miller Cycle (Supercharged and Naturally Aspirated), 2.5L V6 (later models) Engine Management: Fuel Injection (EFI), Ignition System, Emissisions Control (EVAP, EGR), Supercharger operation and maintenance (if applicable) Transmission: Automatic Transmission (4-speed and 5-speed depending on year/engine) Drivetrain: Front Wheel Drive (FWD), Axles, Drive Shafts, Differentials Suspension: Front and Rear Suspension Systems (Struts, Control Arms, Bushings, Ball Joints, Stabilizer Bars) Brakes: Front and Rear Disc Brakes, Anti-lock Braking System (ABS), Parking Brake Steering: Power Steering System, Steering Rack and Pinion Cooling System: Radiator, Water Pump, Thermostat, Cooling Fan, Hoses, Coolant Specifications Fuel System: Fuel Tank, Fuel Pump, Fuel Lines, Fuel Filter, Injectors, Fuel Pressure Specifications Electrical System: Battery, Alternator, Starter Motor, Lighting System, Fuses, Relays, Wiring Diagrams, ECU HVAC: Air Conditioning System, Heater Core, Blower Motor, Controls, Refrigerant Specifications Body And Trim: Body Panels, Doors, Hood, Trunk, Bumpers, Interior Trim, Glass Chassis: Frame, Subframes, Mounts Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks and Replacements, Spark Plug Replacement, Belt Replacement Repair: Engine Overhaul, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Replacement, Body Panel Repair Diagnostics: Troubleshooting Guides for Common Issues, Diagnostic Trouble Codes (DTCs) and their meaning, Symptom-based troubleshooting Specifications: Torque Specifications for all fasteners, Fluid Capacities, Electrical Schematics, Component Dimensions Troubleshooting: Detailed step-by-step procedures for diagnosing and resolving specific vehicle problems Technical Depth Depth: Comprehensive from basic preventative maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text for quick information retrieval Printability: Printable pages for on-the-go reference Quality: High-resolution scans, clear diagrams and illustrations ⚙️ Engine Specifications Primary Engine Engine Code Millenia: KJ-ZE (3.0L V6 Miller Cycle Supercharged), KL-DE (3.0L V6 Naturally Aspirated) Performance Horsepower Kj-Ze: 210 hp @ 5300 rpm (approx.) Torque Kj-Ze: 210 lb-ft @ 3500 rpm (approx.) Horsepower Kl-De: 195 hp @ 5500 rpm (approx.) Torque Kl-De: 200 lb-ft @ 4500 rpm (approx.) Fuel System Injection Type: Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended, especially for supercharged models) Engine Components Engine Layout: V6 Bore X Stroke 3.0L: 84.5 mm x 89.0 mm (approx.) Compression Ratio Kj-Ze: 8.3:1 (with Miller Cycle) Compression Ratio Kl-De: 9.4:1 (approx.) 🔧 Transmission Standard Transmission Type Early Models: 4-speed automatic Optional Transmission Type Later Models: 5-speed automatic (often found on higher trims or later years) Features Transmission Control: Electronic Control with adaptive shift logic Fluid Specifications Transmission Fluid Type: Mazda ATF-MV or equivalent Dexron III/Mercon 📐 Dimensions Exterior Length: 191.7 inches (4870 mm) Width: 70.5 inches (1790 mm) Height: 53.7 inches (1365 mm) Wheelbase: 107.1 inches (2720 mm) Weights Curb Weight: 3500 - 3700 lbs (approx., depending on trim and engine) Gross Vehicle Weight Rating: Not explicitly listed, but generally around 4600 lbs Towing Capacity: Not recommended/specified by manufacturer 🛡️ Safety Features Ratings NHTSA Front Impact: Not extensively documented, generally considered average for its era. Active Features ABS: Standard on most models Traction Control: Optional on some models, often linked with ABS Passive Features Airbags: Driver and Passenger airbags standard Seatbelts: 3-point front and rear seatbelts with pre-tensioners Child Seat Anchors: LATCH system not present in earlier models, but ISOFIX equivalent compatibility may exist on later versions. 💡 Technology Features Infotainment Audio System: Premium audio systems available, often with cassette and CD players. Bose premium sound systems were common. Climate Control: Automatic climate control with digital display on higher trims. Driver Assistance Cruise Control: Standard feature Keyless Entry: Available on higher trim levels Connectivity Phone Integration: No integrated smartphone connectivity (Bluetooth, Apple CarPlay, Android Auto) as it predates modern standards. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles (8,000 km) or 6 months, whichever comes first. Air Filter Replacement: Every 15,000 - 30,000 miles (24,000 - 48,000 km), inspect annually. Spark Plug Replacement: Every 60,000 - 100,000 miles (96,000 - 160,000 km) depending on type (platinum recommended). Timing Belt Replacement: Every 60,000 - 100,000 miles (96,000 - 160,000 km) or 5-7 years, highly critical for interference engines. Fluid Specifications Engine Oil Type: SAE 5W-30 or 5W-40 API SG or higher, synthetic recommended for supercharged models. Coolant Type: Mazda Long...
Air Conditioning System, Heater Core, Blower Motor, Controls, Refrigerant Specifications
Body And Trim:
Body Panels, Doors, Hood, Trunk, Bumpers, Interior Trim, Glass
Chassis:
Frame, Subframes, Mounts
Procedures Included
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks and Replacements, Spark Plug Replacement, Belt Replacement
Repair:
Engine Overhaul, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Replacement, Body Panel Repair
Diagnostics:
Troubleshooting Guides for Common Issues, Diagnostic Trouble Codes (DTCs) and their meaning, Symptom-based troubleshooting
Specifications:
Torque Specifications for all fasteners, Fluid Capacities, Electrical Schematics, Component Dimensions
Troubleshooting:
Detailed step-by-step procedures for diagnosing and resolving specific vehicle problems
Technical Depth
Depth:
Comprehensive from basic preventative maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures.
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Fully searchable text for quick information retrieval
Printability:
Printable pages for on-the-go reference
Quality:
High-resolution scans, clear diagrams and illustrations
Premium Unleaded Gasoline (91 octane or higher recommended, especially for supercharged models)
Engine Components
Engine Layout:
V6
Bore X Stroke 3.0L:
84.5 mm x 89.0 mm (approx.)
Compression Ratio Kj-Ze:
8.3:1 (with Miller Cycle)
Compression Ratio Kl-De:
9.4:1 (approx.)
🔧 Transmission
Standard
Transmission Type Early Models:
4-speed automatic
Optional
Transmission Type Later Models:
5-speed automatic (often found on higher trims or later years)
Features
Transmission Control:
Electronic Control with adaptive shift logic
Fluid Specifications
Transmission Fluid Type:
Mazda ATF-MV or equivalent Dexron III/Mercon
📐 Dimensions
Exterior
Length:
191.7 inches (4870 mm)
Width:
70.5 inches (1790 mm)
Height:
53.7 inches (1365 mm)
Wheelbase:
107.1 inches (2720 mm)
Weights
Curb Weight:
3500 - 3700 lbs (approx., depending on trim and engine)
Gross Vehicle Weight Rating:
Not explicitly listed, but generally around 4600 lbs
Towing Capacity:
Not recommended/specified by manufacturer
🛡️ Safety Features
Ratings
NHTSA Front Impact:
Not extensively documented, generally considered average for its era.
Active Features
ABS:
Standard on most models
Traction Control:
Optional on some models, often linked with ABS
Passive Features
Airbags:
Driver and Passenger airbags standard
Seatbelts:
3-point front and rear seatbelts with pre-tensioners
Child Seat Anchors:
LATCH system not present in earlier models, but ISOFIX equivalent compatibility may exist on later versions.
💡 Technology Features
Infotainment
Audio System:
Premium audio systems available, often with cassette and CD players. Bose premium sound systems were common.
Climate Control:
Automatic climate control with digital display on higher trims.
Driver Assistance
Cruise Control:
Standard feature
Keyless Entry:
Available on higher trim levels
Connectivity
Phone Integration:
No integrated smartphone connectivity (Bluetooth, Apple CarPlay, Android Auto) as it predates modern standards.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first.
Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km), inspect annually.
Spark Plug Replacement:
Every 60,000 - 100,000 miles (96,000 - 160,000 km) depending on type (platinum recommended).
Timing Belt Replacement:
Every 60,000 - 100,000 miles (96,000 - 160,000 km) or 5-7 years, highly critical for interference engines.
Fluid Specifications
Engine Oil Type:
SAE 5W-30 or 5W-40 API SG or higher, synthetic recommended for supercharged models.
Coolant Type:
Mazda Long Life Coolant (Green) or equivalent ethylene glycol-based coolant with demineralized water.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Known Issues
Engine Mounts:
Premature wear of engine mounts, leading to vibration.
Transmission Issues:
Occasional rough shifting or failure to engage gears in higher mileage transmissions.
Suspension Components:
Wear in control arm bushings, ball joints, and sway bar links.
Supercharger Belt:
Wear or slippage of the supercharger drive belt on KJ-ZE models.
Electrical Connectors:
Corrosion or degradation of electrical connectors, especially in damp climates.
📚 Vehicle History
Brand Heritage
Manufacturer:
Mazda Motor Corporation
Brand Reputation Era:
Known for reliable and engaging driving dynamics, moving into premium segments with models like the Millenia.
Model Evolution
Platform:
Based on the Mazda Lantis platform (Mazda Xedos 6 in other markets).
Generations:
Two generations, with the 1994-2002 representing the first generation and a significant facelift/update within that period.
Key Changes 1997 Facelift:
Introduction of the naturally aspirated 2.5L V6 engine, updated styling, and revised interior features.
Production
Production Start Year:
1994
Production End Year:
2002
Manufacturing Location:
Hofu Plant, Yamaguchi Prefecture, Japan
🏆 Awards & Recognition
Recognitions
Import Car Of The Year 1994:
Car and Driver's Ten Best list was a benchmark of quality for imported vehicles during this era; while Millenia may not have made it every year, its segment positioning placed it among contenders.