Segment:
Mid-size Luxury Sedan/Coupe (depending on body style)
Target Audience:
Consumers seeking comfort, style, and performance; suitable for DIY mechanics and professional technicians
Competitors:
Toyota Avalon, Lexus ES, Honda Accord (higher trims), Nissan Maxima, Buick Park Avenue
Distinctive Qualities:
Known for its distinctive styling, comfortable ride, and available V6 engines, offering a blend of luxury and performance
Manual Utility:
Provides comprehensive, step-by-step guidance for repairs, ensuring accuracy and efficiency for vehicle owners and technicians
Years Covered:
1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Type:
Workshop Service Repair Manual
Engine Systems:
Engine Mechanical, Fuel System, Ignition System, Cooling System, Lubrication System, Emission Control System, Engine Electrical
Drivetrain Systems:
Transmission (Automatic/Manual), Drivetrain Components, Differentials
Chassis Systems:
Suspension System (Front and Rear), Steering System, Brake System, Wheels and Tires
Electrical Systems:
Lighting System, Instrumentation, Power Distribution, Wiper & Washer System, Audio System, Air Conditioning System, Power Accessories
Body Systems:
Body Panels, Doors, Windows, Seats, Interior Trim, Exterior Trim, Sealing components
General Maintenance:
Scheduled Maintenance, Fluid Checks and Changes, Filter Replacements
Troubleshooting:
Diagnostic Flowcharts, Symptom-Based Troubleshooting, Component Testing
Repair Procedures:
Removal, Disassembly, Inspection, Repair, Reassembly, Installation of all major components and systems
Adjustments:
Engine adjustments, Brake adjustments, Clutch adjustments, Door alignment
Depth:
Comprehensive, from basic maintenance to in-depth component overhaul and diagnostics
Diagrams Illustrations:
Detailed pictorial diagrams, exploded diagrams, schematics, and photographs
Special Tools:
Identification and usage of required special service tools
Specifications:
Factory specifications, torque values, wear limits, fluid capacities, electrical values
Quality:
High-resolution PDF, ensuring clear readability of text and diagrams
Searchability:
Likely text-searchable, allowing quick access to specific information
Printability:
Yes, all 408 pages are printable
Type:
Digital Download (PDF)
Type:
Not Applicable (Digital Format)
Operating Systems:
Windows, Mac, Linux OS
Software:
Adobe Reader or compatible PDF viewer
Displacement 1:
3.0 Liters (approx. 2972 cc)
Horsepower 1:
Approx. 140-160 hp (depending on market and year)
Torque 1:
Approx. 170-190 lb-ft (depending on market and year)
Engine Type 2:
V6, DOHC (often with MIVEC on later models)
Displacement 2:
3.5 Liters (approx. 3497 cc)
Horsepower 2:
Approx. 200-210 hp (depending on market and year)
Torque 2:
Approx. 220-230 lb-ft (depending on market and year)
Fuel Delivery:
Multi-port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
NHTSA Ratings:
Varies by year and testing methodology; generally considered average for its era.
Braking System:
Front Ventilated Disc Brakes, Rear Disc Brakes (often with ABS on higher trims)
Traction Control:
Optional on some models
Airbags:
Driver and Passenger Airbags (standard on most models from mid-90s onward)
Seat Belts:
Front 3-point, Rear 3-point (on applicable seating positions)
Audio System:
Factory AM/FM/Cassette/CD players, with premium audio options on higher trims.
Climate Control:
Manual or Automatic Climate Control with A/C.
Cruise Control:
Standard on most models.
Anti Lock Brakes:
Available on higher trims and later models.
Exterior Features:
Power-adjustable mirrors, fog lights (optional/trim dependent).
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months (refer to manual for exact recommendations based on driving conditions).
Timing Belt Replacement:
Crucial for V6 engines. Interval typically around 60,000 - 90,000 miles. Failure can cause catastrophic engine damage.
Engine Oil:
SAE 5W-30 or 10W-30 API SG or higher (specific viscosity may vary by engine and climate; consult manual).
Coolant:
Mitsubishi Super Long Life Coolant (or equivalent ethylene glycol based coolant with appropriate silicate content).
Transmission Fluid:
Diamond ATF SP-III or equivalent (for automatic transmissions).
Brake Fluid:
DOT 3 or DOT 4.
Engine Management:
Spark plug issues (misfires), catalytic converter failures, ignition coil problems.
Transmission Performance:
Occasional transmission slip or harsh shifting on older automatic transmissions.
Suspension And Steering:
Worn suspension components (ball joints, control arm bushings), power steering leaks.
Electrical Systems:
Window regulator failures, power door lock issues, sensor failures (e.g., crankshaft position sensor).
Brand Focus:
Mitsubishi Motors positioned the Diamante as a premium offering, blending Japanese engineering with European design influences.
First Generation:
Launched in Japan as the Mitsubishi Debonair, with a distinctively formal styling. Export models were rebadged as Diamante and featured updated styling, particularly for North American markets.
Second Generation:
Introduced for the 1997 model year (in North America), featuring a more aerodynamic and contemporary design. This generation continued to offer V6 power and refined interiors.
Production Period:
1990-2005 (globally, with variations in markets)
Manufacturing Locations:
Primarily Japan
