Vehicle Segment:
Full-size luxury sedan, positioned as Chrysler's flagship model.
Competitors:
Competed with domestic luxury sedans like the Ford Crown Victoria/Grand Marquis, Chevrolet Caprice, and luxury imports such as the Lincoln Continental and Cadillac Brougham.
Design Philosophy:
Emphasized a smooth, quiet ride, spacious interior, and elegant styling, often incorporating advanced features for its time.
Target Audience:
Buyers seeking comfortable, refined, and substantial American luxury with a focus on traditional values.
Engine:
Detailed diagnostics, repair procedures, specifications, and troubleshooting for the 3.3L and 3.8L V6 engines.
Transmission:
Service and repair of the 3-speed automatic (A604 Ultradrive) transmission, including hydraulic circuits, electronic controls, and rebuild procedures.
Brakes:
Front disc, rear drum brake systems, parking brake, hydraulic lines, fluid specifications, bleeding procedures, and component replacement.
Suspension:
Front MacPherson strut independent suspension, rear beam axle with trailing arms and Panhard rod, shock absorber replacement, wheel alignment specifications.
Steering:
Power steering system operation, fluid specifications, pump and gearbox service, steering column adjustments.
Electrical:
Comprehensive wiring diagrams, fuse and relay identification, power distribution, lighting systems, charging system, starting system, ignition system, instrument cluster, power accessories.
HVAC:
Air conditioning system diagnosis and repair, heater core service, blower motor, climate control system operation.
Body:
Exterior body panel repair, door mechanisms, window regulators, interior trim removal and installation, bumper service, glass replacement.
Chassis:
Frame inspection and repair, exhaust system service, fuel tank and lines, driveshaft and CV joints.
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, lubrication points, tire rotation, spark plug replacement, belt inspection and replacement.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts.
Repair:
Step-by-step instructions for component removal, installation, and overhaul for all major vehicle systems.
Diagnostics:
Diagnostic trouble codes (DTCs) for engine and transmission control modules, procedures for using diagnostic tools.
Specifications:
Torque specifications, clearances, fluid capacities, pressure readings, and electrical parameters.
Diagnostic Capability:
Advanced diagnostics including engine control module (ECM) and transmission control module (TCM) data interpretation and actuator testing.
Rebuild Procedures:
Detailed instructions for engine and transmission rebuilds, including necessary special tools and measurements.
Wiring Diagrams:
High-quality, detailed wiring diagrams for all electrical systems, allowing for precise troubleshooting of circuit issues.
Engine Displacement 1:
3.3 Liters (201 cubic inches)
Engine Configuration 1:
Naturally Aspirated V6
Engine Code 1:
EGA (3.3L)
Horsepower 1:
Approx. 150-160 hp (varies slightly by year)
Torque 1:
Approx. 180-190 lb-ft (varies slightly by year)
Engine Displacement 2:
3.8 Liters (230 cubic inches)
Engine Configuration 2:
Naturally Aspirated V6
Engine Code 2:
3.8L (e.g., CVC variants existed)
Horsepower 2:
Approx. 160-170 hp (varies slightly by year)
Torque 2:
Approx. 200-210 lb-ft (varies slightly by year)
Fuel Delivery:
Electronic Fuel Injection (EFI) / Multi-Port Fuel Injection (MPFI)
Audio System:
AM/FM stereo radio with cassette player, optional CD player, and premium sound systems available.
Climate Control:
Manual or optional automatic climate control systems.
Cruise Control:
Standard or optional cruise control.
Instrument Cluster:
Electronic digital or analog gauges, trip computer options available.
Phone Integration:
No integrated smartphone connectivity (e.g., Bluetooth, Apple CarPlay/Android Auto) as these technologies were not prevalent.
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions. Consult manual for specific recommendations.
Transmission Fluid Change:
Recommended every 30,000-50,000 miles for the A604 automatic transmission. Manual will specify exact interval and procedure.
Engine Oil Type:
Typically SAE 5W-30 or 10W-30, depending on climate. Manual will list specific API service classifications (e.g., SF or SG).
Coolant Type:
Chrysler Long Life Antifreeze/Coolant (typically ethylene glycol based with specific inhibitors). Manual will detail capacity and type.
Power Steering Fluid:
Likely a Type 'A' or '9980' automatic transmission fluid (ATF) or a specific Mopar power steering fluid. Manual will confirm.
Transmission Reliability:
The A604 Ultradrive transmission, while advanced, could be prone to issues if not properly maintained, particularly related to fluid leaks and electronic control unit (ECU) problems.
Engine Performance:
Some instances of intake manifold gasket leaks or minor oil leaks could occur. Routine maintenance addresses most potential issues.
Electrical Components:
As with many vehicles of this era, aging electrical components, sensors, and wiring can lead to intermittent issues. Comprehensive wiring diagrams in the manual are crucial.
Chrysler Legacy:
Chrysler's long history of producing large, comfortable American sedans, dating back to the original Imperial nameplate introduced in 1926.
Fourth Generation:
This generation (1988-1993) represented a revival of the Imperial nameplate, based on the front-wheel-drive Chrysler Y-body platform.
Design Influences:
Styled with a focus on aerodynamic efficiency and modern lines for the era, moving away from older body-on-frame designs.
Production Location:
Jefferson Avenue Assembly Plant, Detroit, Michigan.
Production Years:
1988-1993
