🏷️ Basic Information Identification Make: Chrysler Model: Imperial Model Generation: Fifth Generation (Y-Body) Product Name: CHRYSLER IMPERIAL 1990-1993 Service Repair Manual Codes Chassis Code: YJ 👋 Introduction Market Position Target Audience: Vehicle owners with basic mechanical skills and independent auto service professionals. Value Proposition: Provides dealership-level service information for DIY enthusiasts and independent repair shops. Empowers owners to better understand and manage vehicle maintenance and repairs. Competitive Analysis Comparison To Oem: Comparable in scope and detail to official Chrysler service manuals. Key Features Accessibility: Instant PDF download, no shipping, accessible on multiple devices. Practicality: Enables informed communication with mechanics, potential cost savings, and DIY repair capabilities. 📋 Manual Details Coverage Areas Applicable Years: 1990, 1991, 1992, 1993 Regions Covered: Global (North American market focus implied by common engine variants) Page Count Estimated Page Count: Detailed (Specific page count not provided, but described as comprehensive.) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Management: Fuel System, Induction, Emission Control, Control System, Engine Overhauling Powertrain: Transmission and Differentials, Engine Service and Overhauling Chassis And Body: Chassis, Body, Steering and Suspension, Brakes, ABS Electrical And Diagnostics: Wiring, Troubleshooting and Diagnostics, Control System Procedures Included Maintenance: Routine service, fluid changes, component checks, preventative maintenance Repair And Overhaul: Engine overhauling, transmission repair, brake system repair, suspension component replacement, body panel repair Diagnostics And Troubleshooting: Fault symptom diagnosis, component testing using specific techniques, wiring diagram tracing, common problem fixes (no-starts, hesitations, stalling) Technical Advice: Guidance for owners to discuss repairs knowledgeably with technicians, verifying mechanic work, post-repair verification Technical Depth Depth: Comprehensive: Covers general information, detailed engine and transmission service, chassis and bodywork, extensive electrical troubleshooting with wiring diagrams, and diagnostic procedures. Aims to provide information equivalent to authorized dealer service departments. 📊 Manual Specifications File Format Type: PDF Compatibility: PC, Mac, various phones, ebook readers (e.g., Kindle) Features: Searchable text (implied by PDF format), printable pages Print Quality Recommendation: Print individual pages to avoid damage; quality suitable for technical reference. Binding Type Type: Digital (Instant Download - No physical binding) Paper Type Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Variants: 2.2L, 2.5L, 3.0L, 3.3L, 3.8L Engine Families Implied: Likely includes Chrysler's own designs (e.g., K-car derived 2.2L/2.5L, later 3.3L/3.8L '3.3/3.8' V6) and potentially Mitsubishi sourced engines (e.g., 3.0L V6, likely the 6G72 family). Performance Horsepower And Torque: Detailed specifications available within the manual for each engine variant. Fuel System Type: Fuel injection (likely multi-point or throttle-body injection depending on engine variant and year). Induction Type: Naturally aspirated, potentially turbocharged for specific 2.2L variants in earlier model years within the generation's span. Emission Control Systems: Covered in detail, including catalytic converters, EGR, and evaporative emission controls as mandated by regulations of the era. 🔧 Transmission Standard Type: Automatic transmissions were standard on the Imperial. Specific models likely include the A604 (4-speed electronic transaxle) for FWD models and potentially a TorqueFlite variant for RWD if any models were RWD during this generation. Optional Type: Manual transmissions were generally not offered on the Imperial during this period, particularly on the V6 models. Features Control Systems: Electronic control for automatic transmissions, with diagnostics and troubleshooting procedures for shifting logic and solenoid operation. 📐 Dimensions Exterior Wheelbase: Approx. 113.5 inches (2883 mm) Length: Approx. 208.0 inches (5283 mm) Width: Approx. 74.2 inches (1885 mm) Height: Approx. 54.0 inches (1372 mm) Weights Curb Weight: Approximately 3,600 - 3,800 lbs (1630 - 1725 kg), varying with engine and options. 🛡️ Safety Features Ratings NHTSA Ratings: Specific ratings for 1990-1993 models are not readily available in a consolidated format, but vehicles of this era typically had frontal impact protection. The manual will contain specific safety system details. Active Features ABS: Anti-lock Braking System (ABS) was an available option or standard on higher trims, with detailed diagnostic and repair procedures in the manual. Passive Features Airbags: Driver-side airbag became increasingly standard during this period; passenger airbags were less common. Manual covers airbag system diagnostics and safety precautions. Seat Belts: Includes detailed information on seat belt operation, maintenance, and potential adjustments or repairs. 💡 Technology Features Infotainment Audio Systems: Premium audio systems with cassette players and possibly early CD integration. Manual covers system operation and basic troubleshooting. Driver Assistance Cruise Control: Electronic cruise control system with diagnostic information provided. Connectivity Limited Connectivity: Vehicles of this era predated modern connectivity standards like Bluetooth or USB. Functionality is limited to the vehicle's internal systems. 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000-5,000 miles or 6 months, depending on driving conditions and oil type. Manual will specify exact intervals and oil type. Tune Up: Spark plug replacement, filter changes, and inspections at intervals around 30,000-60,000 miles. Manual details specific procedures and components. Fluid Specifications Engine Oil: Viscosity grade (e.g., 5W-30, 10W-30) and API service...
Vehicle owners with basic mechanical skills and independent auto service professionals.
Value Proposition:
Provides dealership-level service information for DIY enthusiasts and independent repair shops. Empowers owners to better understand and manage vehicle maintenance and repairs.
Competitive Analysis
Comparison To Oem:
Comparable in scope and detail to official Chrysler service manuals.
Key Features
Accessibility:
Instant PDF download, no shipping, accessible on multiple devices.
Practicality:
Enables informed communication with mechanics, potential cost savings, and DIY repair capabilities.
📋 Manual Details
Coverage Areas
Applicable Years:
1990, 1991, 1992, 1993
Regions Covered:
Global (North American market focus implied by common engine variants)
Page Count
Estimated Page Count:
Detailed (Specific page count not provided, but described as comprehensive.)
Manual Type
Type:
Service and Repair Manual
Language
Language:
English
Format
Format:
PDF
📖 Manual Coverage
Systems Covered
Engine Management:
Fuel System, Induction, Emission Control, Control System, Engine Overhauling
Powertrain:
Transmission and Differentials, Engine Service and Overhauling
Chassis And Body:
Chassis, Body, Steering and Suspension, Brakes, ABS
Electrical And Diagnostics:
Wiring, Troubleshooting and Diagnostics, Control System
Engine overhauling, transmission repair, brake system repair, suspension component replacement, body panel repair
Diagnostics And Troubleshooting:
Fault symptom diagnosis, component testing using specific techniques, wiring diagram tracing, common problem fixes (no-starts, hesitations, stalling)
Technical Advice:
Guidance for owners to discuss repairs knowledgeably with technicians, verifying mechanic work, post-repair verification
Technical Depth
Depth:
Comprehensive: Covers general information, detailed engine and transmission service, chassis and bodywork, extensive electrical troubleshooting with wiring diagrams, and diagnostic procedures. Aims to provide information equivalent to authorized dealer service departments.
📊 Manual Specifications
File Format
Type:
PDF
Compatibility:
PC, Mac, various phones, ebook readers (e.g., Kindle)
Features:
Searchable text (implied by PDF format), printable pages
Print Quality
Recommendation:
Print individual pages to avoid damage; quality suitable for technical reference.
Binding Type
Type:
Digital (Instant Download - No physical binding)
Paper Type
Type:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine
Variants:
2.2L, 2.5L, 3.0L, 3.3L, 3.8L
Engine Families Implied:
Likely includes Chrysler's own designs (e.g., K-car derived 2.2L/2.5L, later 3.3L/3.8L '3.3/3.8' V6) and potentially Mitsubishi sourced engines (e.g., 3.0L V6, likely the 6G72 family).
Performance
Horsepower And Torque:
Detailed specifications available within the manual for each engine variant.
Fuel System
Type:
Fuel injection (likely multi-point or throttle-body injection depending on engine variant and year).
Induction
Type:
Naturally aspirated, potentially turbocharged for specific 2.2L variants in earlier model years within the generation's span.
Emission Control
Systems:
Covered in detail, including catalytic converters, EGR, and evaporative emission controls as mandated by regulations of the era.
🔧 Transmission
Standard
Type:
Automatic transmissions were standard on the Imperial. Specific models likely include the A604 (4-speed electronic transaxle) for FWD models and potentially a TorqueFlite variant for RWD if any models were RWD during this generation.
Optional
Type:
Manual transmissions were generally not offered on the Imperial during this period, particularly on the V6 models.
Features
Control Systems:
Electronic control for automatic transmissions, with diagnostics and troubleshooting procedures for shifting logic and solenoid operation.
📐 Dimensions
Exterior
Wheelbase:
Approx. 113.5 inches (2883 mm)
Length:
Approx. 208.0 inches (5283 mm)
Width:
Approx. 74.2 inches (1885 mm)
Height:
Approx. 54.0 inches (1372 mm)
Weights
Curb Weight:
Approximately 3,600 - 3,800 lbs (1630 - 1725 kg), varying with engine and options.
🛡️ Safety Features
Ratings
NHTSA Ratings:
Specific ratings for 1990-1993 models are not readily available in a consolidated format, but vehicles of this era typically had frontal impact protection. The manual will contain specific safety system details.
Active Features
ABS:
Anti-lock Braking System (ABS) was an available option or standard on higher trims, with detailed diagnostic and repair procedures in the manual.
Passive Features
Airbags:
Driver-side airbag became increasingly standard during this period; passenger airbags were less common. Manual covers airbag system diagnostics and safety precautions.
Seat Belts:
Includes detailed information on seat belt operation, maintenance, and potential adjustments or repairs.
💡 Technology Features
Infotainment
Audio Systems:
Premium audio systems with cassette players and possibly early CD integration. Manual covers system operation and basic troubleshooting.
Driver Assistance
Cruise Control:
Electronic cruise control system with diagnostic information provided.
Connectivity
Limited Connectivity:
Vehicles of this era predated modern connectivity standards like Bluetooth or USB. Functionality is limited to the vehicle's internal systems.
🔧 Maintenance
Service Intervals
Oil Change:
Typically every 3,000-5,000 miles or 6 months, depending on driving conditions and oil type. Manual will specify exact intervals and oil type.
Tune Up:
Spark plug replacement, filter changes, and inspections at intervals around 30,000-60,000 miles. Manual details specific procedures and components.
Fluid Specifications
Engine Oil:
Viscosity grade (e.g., 5W-30, 10W-30) and API service classification specified by engine type. Manual provides definitive recommendations.
Coolant:
Ethylene glycol-based coolant, likely a conventional green type. Manual specifies type and mixture ratio.
Transmission Fluid:
Specific ATF (Automatic Transmission Fluid) type required for each transmission variant (e.g., ATF+3 or equivalent for later transmissions). Manual details correct type and capacity.
Known Issues
Common Problems:
Typical issues for vehicles of this era might include: aging rubber components (hoses, belts, suspension bushings), power window/lock motor failures, climate control system issues, minor electrical gremlins, and potential transmission control module (TCM) problems in electronically controlled automatics. The manual is invaluable for diagnosing these.
Electrical Components:
Wiring harness integrity, sensor failures, and control module issues are common areas of concern addressed by the detailed wiring diagrams and diagnostic procedures.
📚 Vehicle History
Brand Heritage
Chrysler Legacy:
Chrysler has a long history of producing luxury and executive vehicles, with the Imperial nameplate representing the pinnacle of their offerings for many decades.
Model Evolution
Fifth Generation Context:
The 1990-1993 Imperial marked the final iteration of the Imperial nameplate. It was a luxury sedan based on the Chrysler LH platform (though its underpinnings were derived from the Y-body platform shared with other large Chrysler vehicles of the era, like the New Yorker and Dynasty). This generation aimed to offer a blend of American luxury with modern technology for its time.
Production
Manufacturing Location:
North America (likely Detroit, Michigan assembly plants).
🏆 Awards & Recognition
Recognitions
Model Specific Awards:
Information on specific awards for the 1990-1993 Imperial is not widely publicized, as it was a transitional period for the model. However, its luxury positioning was intended to compete in the premium sedan market.