Historical Positioning:
Chrysler's flagship luxury sedan, positioned as a premium offering against domestic and international competitors.
Key Competitors:
Lincoln Continental, Cadillac Brougham, Oldsmobile 98, Buick Electra, Mercury Grand Marquis.
Design Philosophy:
Emphasis on smooth ride, quiet cabin, comfortable interior, and advanced (for the era) features.
Availability:
Instant Download PDF, providing immediate access for repair needs.
Manual Benefit:
Empowers owners and technicians with factory-level knowledge for efficient and accurate maintenance and repair.
Engine:
3.3L V6 (EGA), 3.8L V6 (EGH), 4.0L V6 (2PZ - Export only)
Transmission:
3-speed Automatic (A604), 4-speed Automatic (A670, A606)
Drivetrain:
Front-Wheel Drive (FWD)
Suspension:
Front MacPherson Strut, Rear Independent Torsion Bar
Steering:
Power Assisted Rack and Pinion
Brakes:
Front Ventilated Disc, Rear Drum (ABS optional)
Electrical System:
12-volt System, Charging System, Starting System, Lighting, Instrumentation, Power Accessories, ECU/PCM Diagnostics
Body And Chassis:
Body Panels, Doors, Windows, Seats, Trim, Frame and Structure
HVAC:
Air Conditioning, Heating, Ventilation System Diagnosis and Repair
Fuel Delivery:
Fuel Tank, Pump, Lines, Injectors, Fuel Pressure Regulator
Exhaust:
Catalytic Converter, Muffler, Pipes, Sensors
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks and Top-offs, Belt and Hose Inspections
Troubleshooting:
Diagnostic Charts, Symptom-Based Troubleshooting for Engine, Electrical, and Mechanical Issues
Repair:
Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake Service, Electrical Component Diagnosis and Replacement
Disassembly Assembly:
Detailed step-by-step procedures for component removal and installation
Cleaning Reinstalling:
Procedures for cleaning and properly reinstalling serviced components
Depth:
Comprehensive (Factory Service Manual Level)
Diagnostics:
In-depth diagnostic procedures, including wiring diagrams and fault code interpretation
Specifications:
Torque values, clearances, fluid capacities, electrical resistance values
Engine Displacement 1:
3.3 Liters (201 cubic inches)
Engine Type 1:
Naturally Aspirated V6
Valve Configuration 1:
Overhead Valve (OHV), 2 valves per cylinder
Horsepower 1:
Approx. 147-150 hp (varies by year and tune)
Torque 1:
Approx. 180-185 lb-ft (varies by year and tune)
Engine Displacement 2:
3.8 Liters (230 cubic inches)
Engine Type 2:
Naturally Aspirated V6
Valve Configuration 2:
Overhead Valve (OHV), 2 valves per cylinder
Horsepower 2:
Approx. 155-160 hp (varies by year and tune)
Torque 2:
Approx. 200-205 lb-ft (varies by year and tune)
Fuel Injection:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (87 Octane Recommended)
Transmission Type 1:
3-Speed Automatic (A604 Ultradrive)
Transmission Type 2:
4-Speed Automatic (A670 or A606)
Electronic Control:
Ultradrive transmissions featured electronic control for smoother shifts and better efficiency.
Transmission Fluid:
Refer to manual for specific ATF type (e.g., ATF+3 or equivalent for A604/A606)
NHTSA Ratings:
Specific NHTSA ratings for this generation are not readily available in a standardized format for comparison, but were generally considered average for the era.
ABS:
Anti-lock Braking System (ABS) was an optional feature on later models.
Airbags:
Driver-side airbag standard from 1990 onwards. Passenger airbag optional or standard on later models.
Seatbelts:
Front and rear seat belts with pretensioners for front occupants.
Audio System:
AM/FM Stereo with Cassette Player, optional CD player on later models. Premium Infinity sound systems available.
Climate Control:
Automatic Temperature Control (ATC) available on higher trims.
Cruise Control:
Standard cruise control.
Phone Integration:
No integrated smartphone connectivity in the modern sense. Aftermarket solutions may be available.
Power Accessories:
Power windows, power door locks, power mirrors, power driver's seat were common features.
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for precise recommendation).
Transmission Fluid Change:
Every 30,000-60,000 miles, or as per manual recommendations, especially for Ultradrive transmissions.
Coolant Change:
Every 30,000-50,000 miles, or every 2-3 years.
Engine Oil Viscosity:
SAE 5W-30 or 10W-30 (refer to manual for specific ambient temperature ranges).
Engine Oil Capacity:
Approx. 4.5-5 quarts with filter (for 3.3L/3.8L V6)
Coolant Type:
Chrysler Long Life Antifreeze/Coolant (HOAT) or equivalent.
Transmission Issues:
Ultradrive transmissions (A604) can be prone to issues with solenoid packs and torque converter clutch operation if not properly maintained. Fluid changes are critical.
Electrical Gremlins:
As with many vehicles of this era, minor electrical issues like sensor failures or intermittent power accessory problems can occur.
Suspension Wear:
Wear in suspension components such as ball joints, tie rod ends, and strut mounts is common due to age and mileage.
Heater Core:
Heater core leaks can be a common, albeit labor-intensive, repair on these models.
Chrysler Legacy:
Chrysler has a long history of producing large, luxurious sedans, with the Imperial nameplate representing the pinnacle of American automotive luxury.
Sixth Generation Launch:
Launched for the 1988 model year, this generation represented a significant redesign, moving to the front-wheel-drive Y-body platform.
Styling Direction:
Featured a more aerodynamic and contemporary design compared to its rear-wheel-drive predecessors.
Production Period:
1988-1993
Production Location:
Detroit, Michigan, USA
Final Model Year:
1993 marked the end of the Imperial nameplate.
