Segment:
Full-size luxury sedan.
Brand Perception:
Positioned as a premium, American luxury car offering a comfortable and quiet driving experience.
Key Competitors:
Cadillac Sedan de Ville, Lincoln Continental, Buick Electra.
Unique Selling Points:
Spacious interior, quiet ride, elegant styling, focus on comfort and luxury for its era.
Overall Coverage:
Comprehensive workshop repair and service for Chrysler Imperial models 1990-1993.
Specific Component Coverage:
Detailed information on components manufactured specifically for Chrysler Imperial 1990-1993, including guidance on proprietary parts.
Estimated Page Count:
Extensive (specific number not provided, but typical workshop manuals of this era and scope exceed 1000 pages in printed equivalent).
Type:
Workshop Repair Service Manual
Powertrain:
Engine mechanical, fuel system (carburetion/injection), ignition system, lubrication system, exhaust system, transmission (automatic), cooling system.
Chassis:
Suspension (front and rear), steering system, braking system (including ABS if equipped), driveline, wheels, tires.
Electrical:
Starting and charging system, lighting, instrumentation, power accessories (windows, locks, mirrors), climate control electricals, wiring diagrams, diagnostic trouble codes (DTCs).
Body:
Body panels, interior trim, glass, doors, latches, hinges, structural components, bumpers, paint and corrosion protection.
Climate Control:
HVAC system (heating, ventilation, air conditioning) component removal, installation, and service.
Fuel System Details:
Fuel tank, fuel pump, fuel lines, fuel injectors, pressure regulator, diagnostic procedures for fuel delivery.
Ignition System Details:
Distributor, ignition coil, spark plugs, spark plug wires, ignition control module (ICM) testing and replacement.
Maintenance:
Routine maintenance (oil changes, fluid checks, filter replacements), tune-ups, lubrication, inspection procedures.
Repair And Overhaul:
Component removal and installation, disassembly and reassembly of major systems (engine, transmission, brakes, suspension), diagnostics, troubleshooting, adjustments.
Troubleshooting:
Systematic diagnostic charts and procedures for common drivability, electrical, and mechanical issues.
Engine Overhaul:
Complete engine disassembly, inspection, machining recommendations, and reassembly with torque specifications.
Transmission Overhaul:
Detailed steps for automatic transmission removal, disassembly, component replacement, and reassembly.
Depth:
Detailed, encompassing general practices to specialized product aspects, including proprietary component instructions for informed performance judgment.
Diagnostic Tools:
References to special tools, including Chrysler part numbers for specialized diagnostic and adjustment tools required for accurate repairs.
Engine Type:
3.3L V6 (EGA/EGJ) and 3.8L V6 (L32/L36) for some later models. The 3.3L V6 was the primary engine for the early part of this generation.
Engine Displacement Primary:
3.3 Liters (201 cubic inches).
Horsepower 3.3L V6:
Approximately 150-153 hp @ 4400-4800 rpm.
Torque 3.3L V6:
Approximately 180-185 lb-ft @ 2800-3200 rpm.
Fuel Delivery:
Electronic Fuel Injection (EFI).
Fuel Type:
Unleaded gasoline.
Engine Codes:
EGA (3.3L V6), EGJ (3.3L V6 with different calibration).
Transmission Type:
3-speed automatic transmission (A604 Ultradrive - FWD transaxle, though the Imperial was RWD for this generation. *Correction: The Imperial was RWD. The standard transmission would be a RWD automatic.*)
Transmission Type Correction:
3-speed or 4-speed automatic transmission (RWD - e.g., TorqueFlite A727 or A670 variant).
Optional Transmission:
N/A for this generation, automatic was standard.
Transmission Fluid Type:
ATF+3 or equivalent (refer to manual for specific type and quantity).
NHTSA Ratings:
Ratings from this era are not directly comparable to modern standards. Focus on passive safety features.
Anti Lock Brakes:
Available (optional on some trims).
Airbags:
Driver-side airbag standard, passenger airbag optional on some models/trims.
Seat Belts:
Three-point front and rear seat belts.
Child Seat Anchors:
LATCH system not present; relies on seat belt integration for child seats.
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for specific mileage).
Transmission Fluid Service:
Recommended every 30,000-60,000 miles (refer to manual).
Coolant Flush:
Every 24,000-36,000 miles or 2-3 years.
Engine Oil Type:
API Service SG or SH, SAE 5W-30 or 10W-30 (refer to manual for exact viscosity based on climate).
Coolant Type:
Chrysler Long Life Antifreeze/Coolant (HOAT) or equivalent (50/50 mix with distilled water).
Power Steering Fluid:
ATF+3 or Pentosin CHF 11 S (verify with manual, typically ATF for this era).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Common Problems:
Age-related wear on suspension components, potential for electrical gremlins (especially window regulators, power antenna), aging fuel pumps, and catalytic converter issues. Some models had head gasket concerns if overheated.
Vacuum Leaks:
Common on older V6 engines, leading to rough idle and performance issues.
Oil Filter Example:
Mopar MO-090 or equivalent (e.g., Wix 51515, Fram PH8A).
Air Filter Example:
Mopar 4745322 or equivalent (e.g., Wix 42561).
Chrysler Legacy:
Chrysler has a long history of producing large, comfortable, and often luxurious American sedans.
Imperial Lineage:
The Imperial nameplate has been used for Chrysler's flagship luxury vehicles, with distinct generations representing different styling and engineering philosophies.
Manufacturing Location:
United States (likely Sterling Heights, Michigan).
Production Period:
This generation (YJ) ran from 1990 to 1993, marking the final years for the Imperial nameplate.
