Plymouth Conquest 1988 Workshop Service Repair Manual
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🏷️ Basic Information Identification Make: Plymouth Model: Conquest Year: 1988 Codes Model Code: Not specified in product info, likely related to chassis designation (e.g., P21) Vin Decoder Base: Information not provided in product description, but manual would contain details for VIN interpretation. 👋 Introduction Market Position Target Audience: Plymouth Conquest 1988 owners, DIY mechanics, professional repair shops seeking comprehensive documentation. Competitive Analysis Value Proposition: Provides professional-grade diagnostic, repair, and maintenance information, enabling significant cost savings on repairs. Offers same quality as manuals used by local service shops. Key Features Completeness: Complete and intact, with no missing or corrupt parts/pages. Covers all models, engines, trim, and transmission types. Accessibility: Instant PDF download for immediate access, eliminating shipping costs and waiting times. Usability: Easy-to-follow directions, detailed diagrams and photos, numbered instructions, and a numbered table of contents for quick information retrieval. 📋 Manual Details Coverage Areas Engine Service Repair: Covered Transmission Service Repair: Covered Brake System: Covered Wiring Diagram: Covered Electrical System: Covered Suspension: Covered Periodic Lubrication: Covered Steering: Covered Cooling System: Covered Fuel Injection Fuel System: Covered Emission System: Covered Heater Air Conditioning: Covered Engine Control System: Covered Chassis Body: Covered Restraint System: Covered Interior: Covered Differential Drive: Covered Axle: Covered General Maintenance: Covered Troubleshooting: Covered Page Count Estimated Page Count: Hundreds of pages (as stated in product description) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel Injection/Fuel System, Emission System, Cooling System, Engine Control System, Transmission, Differential/Drive, Axle Chassis: Suspension, Steering, Brake System, Chassis/Body Electrical: Electrical System, Wiring Diagram, Restraint System Comfort And Convenience: Heater/Air Conditioning, Interior Procedures Included Diagnosis And Troubleshooting: Detailed troubleshooting procedures, diagnostic information, combined with electrical service procedures. Maintenance: General maintenance, periodic lubrication, service intervals (implied). Repair And Rebuild: Step-by-step repair procedures, disassembly, assembly, cleaning, reinstallation procedures. Specifications: Critical specifications, detailed information for specific vehicle repair. Technical Depth Depth: Comprehensive professional technical manual, covering all models/engines/trim/transmission types, suitable for professional technicians and DIY enthusiasts. 📊 Manual Specifications File Format Format: PDF Requirements: Adobe PDF Reader & WinZip Print Quality Printability: Full Printable Zoom Functionality: Zoom IN/OUT enabled Binding Type Binding: Not applicable (Digital Download) Paper Type Paper Type: Not applicable (Digital Download) Delivery Delivery Method: Instant Download Compatibility Operating Systems: Compatible with All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Options: The manual covers 'All Models/Engines/Trim/Transmissions Types', implying multiple engine options were available for the 1988 Plymouth Conquest. Likely candidates include turbocharged 2.6L Mitsubishi Astron G63B engine and potentially naturally aspirated variants or other Mitsubishi powerplants used in the Starion/Conquest platform. Performance Horsepower Torque: Specific horsepower and torque figures would be detailed within the manual for each engine variant. For context, the 1988 2.6L turbo typically produced around 170-188 hp. Fuel System System Type: Fuel Injection / Fuel System. The manual will detail the specifics of the fuel delivery system, including injectors, fuel pump, pressure regulator, and ECU control. Engine Management ECU Diagnosis: Engine Control System coverage includes detailed diagnostic and repair procedures for the Engine Control Unit (ECU), sensors, and actuators. 🔧 Transmission Standard Transmission Type Standard: The manual covers all transmission types. Historically, the Plymouth Conquest (based on the Mitsubishi Starion) was commonly equipped with a 5-speed manual transmission as standard. Optional Transmission Type Optional: An automatic transmission was typically an option for the Plymouth Conquest/Mitsubishi Starion. Features Transmission Service: Service and repair procedures for both manual and automatic transmissions, including clutch, gearbox, torque converter, and cooler system maintenance. 📐 Dimensions Exterior Wheelbase: Specific dimensions would be found in the manual. For the platform, wheelbase was typically around 98.4 inches. Weights Curb Weight: The manual would list curb weight for different configurations. Typically ranged from 2,800 to 3,100 lbs. 🛡️ Safety Features Ratings Crash Test Results: Information on safety ratings and crash test results for the 1988 model would be detailed if publicly available and part of the original documentation, though unlikely to be found in a service manual. Active Features ABS: Anti-lock Braking System (ABS) was an available option on higher trims and would be covered in the Brake System and Electrical System sections. Passive Features Airbags: The manual includes coverage of the Restraint System, which would encompass airbag systems if equipped, along with seatbelt mechanisms. 💡 Technology Features Infotainment Audio System: The manual would cover the maintenance and potential troubleshooting of the factory audio system and speakers, though advanced infotainment features were minimal in 1988. Driver Assistance Cruise Control: If equipped with cruise control, the manual would detail its operation, maintenance, and troubleshooting within the relevant system sections. Connectivity Diagnostic Ports: The manual would provide information on diagnostic procedures, potentially including the location and use of any onboard diagnostic (OBD) ports or test connectors available at the time. 🔧 Maintenance Service Intervals Oil Change...
Provides professional-grade diagnostic, repair, and maintenance information, enabling significant cost savings on repairs. Offers same quality as manuals used by local service shops.
Key Features
Completeness:
Complete and intact, with no missing or corrupt parts/pages. Covers all models, engines, trim, and transmission types.
Accessibility:
Instant PDF download for immediate access, eliminating shipping costs and waiting times.
Usability:
Easy-to-follow directions, detailed diagrams and photos, numbered instructions, and a numbered table of contents for quick information retrieval.
📋 Manual Details
Coverage Areas
Engine Service Repair:
Covered
Transmission Service Repair:
Covered
Brake System:
Covered
Wiring Diagram:
Covered
Electrical System:
Covered
Suspension:
Covered
Periodic Lubrication:
Covered
Steering:
Covered
Cooling System:
Covered
Fuel Injection Fuel System:
Covered
Emission System:
Covered
Heater Air Conditioning:
Covered
Engine Control System:
Covered
Chassis Body:
Covered
Restraint System:
Covered
Interior:
Covered
Differential Drive:
Covered
Axle:
Covered
General Maintenance:
Covered
Troubleshooting:
Covered
Page Count
Estimated Page Count:
Hundreds of pages (as stated in product description)
Critical specifications, detailed information for specific vehicle repair.
Technical Depth
Depth:
Comprehensive professional technical manual, covering all models/engines/trim/transmission types, suitable for professional technicians and DIY enthusiasts.
📊 Manual Specifications
File Format
Format:
PDF
Requirements:
Adobe PDF Reader & WinZip
Print Quality
Printability:
Full Printable
Zoom Functionality:
Zoom IN/OUT enabled
Binding Type
Binding:
Not applicable (Digital Download)
Paper Type
Paper Type:
Not applicable (Digital Download)
Delivery
Delivery Method:
Instant Download
Compatibility
Operating Systems:
Compatible with All Versions of Windows & Mac
⚙️ Engine Specifications
Primary Engine
Engine Options:
The manual covers 'All Models/Engines/Trim/Transmissions Types', implying multiple engine options were available for the 1988 Plymouth Conquest. Likely candidates include turbocharged 2.6L Mitsubishi Astron G63B engine and potentially naturally aspirated variants or other Mitsubishi powerplants used in the Starion/Conquest platform.
Performance
Horsepower Torque:
Specific horsepower and torque figures would be detailed within the manual for each engine variant. For context, the 1988 2.6L turbo typically produced around 170-188 hp.
Fuel System
System Type:
Fuel Injection / Fuel System. The manual will detail the specifics of the fuel delivery system, including injectors, fuel pump, pressure regulator, and ECU control.
Engine Management
ECU Diagnosis:
Engine Control System coverage includes detailed diagnostic and repair procedures for the Engine Control Unit (ECU), sensors, and actuators.
🔧 Transmission
Standard
Transmission Type Standard:
The manual covers all transmission types. Historically, the Plymouth Conquest (based on the Mitsubishi Starion) was commonly equipped with a 5-speed manual transmission as standard.
Optional
Transmission Type Optional:
An automatic transmission was typically an option for the Plymouth Conquest/Mitsubishi Starion.
Features
Transmission Service:
Service and repair procedures for both manual and automatic transmissions, including clutch, gearbox, torque converter, and cooler system maintenance.
📐 Dimensions
Exterior
Wheelbase:
Specific dimensions would be found in the manual. For the platform, wheelbase was typically around 98.4 inches.
Weights
Curb Weight:
The manual would list curb weight for different configurations. Typically ranged from 2,800 to 3,100 lbs.
🛡️ Safety Features
Ratings
Crash Test Results:
Information on safety ratings and crash test results for the 1988 model would be detailed if publicly available and part of the original documentation, though unlikely to be found in a service manual.
Active Features
ABS:
Anti-lock Braking System (ABS) was an available option on higher trims and would be covered in the Brake System and Electrical System sections.
Passive Features
Airbags:
The manual includes coverage of the Restraint System, which would encompass airbag systems if equipped, along with seatbelt mechanisms.
💡 Technology Features
Infotainment
Audio System:
The manual would cover the maintenance and potential troubleshooting of the factory audio system and speakers, though advanced infotainment features were minimal in 1988.
Driver Assistance
Cruise Control:
If equipped with cruise control, the manual would detail its operation, maintenance, and troubleshooting within the relevant system sections.
Connectivity
Diagnostic Ports:
The manual would provide information on diagnostic procedures, potentially including the location and use of any onboard diagnostic (OBD) ports or test connectors available at the time.
🔧 Maintenance
Service Intervals
Oil Change Interval:
The manual will provide specific intervals for oil changes, filter replacements, and other routine maintenance based on mileage and time. Typical intervals for this era would be around 3,000-5,000 miles or 3-6 months.
Fluid Specifications
Engine Oil Type:
The manual will specify the correct viscosity and API service classification for engine oil. Likely to be 10W-30 or 10W-40 API SF/SG rated for this era.
Coolant Type:
The manual will detail the correct type of coolant (e.g., ethylene glycol-based antifreeze) and mixture ratio for the cooling system.
Transmission Fluid Type:
Specific automatic transmission fluid (ATF) type (e.g., Dexron-III) or manual transmission gear oil specification will be listed.
Known Issues
Common Problems:
While not explicitly listed in the product description, a comprehensive manual would likely address common issues for the platform, such as turbocharger reliability, fuel injection system maintenance, aging electrical components, and suspension wear.
📚 Vehicle History
Brand Heritage
Plymouth Brand:
Plymouth was a brand of Chrysler Corporation, known for offering a range of vehicles from economy cars to muscle cars and sporty coupes.
Model Evolution
Conquest Model Line:
The Plymouth Conquest was a rebadged version of the Mitsubishi Starion, sold by Plymouth in North America from 1984 to 1987 (with the 1988 model year likely representing remaining inventory or a final run of the previous generation). It was a rear-wheel-drive, sporty coupe.
Production
Manufacturing Origin:
The vehicle was manufactured by Mitsubishi Motors in Japan, as it was a rebadged model.
🏆 Awards & Recognition
Recognitions
Car And Driver 5Best:
The Mitsubishi Starion/Plymouth Conquest platform was recognized for its performance and handling, with some variants appearing on Car and Driver's '10Best' lists in earlier years of its production.
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