🏷️ Basic Information Identification Make: Jeep Model: Comanche Product Type: Service Repair Manual Generation Generation Code: MJ Codes Body Style: Pickup Truck 👋 Introduction Market Position Target Audience: Do-it-yourselfers and experienced mechanics Competitive Analysis Advantage Over Print: Less expensive, more convenient, searchable, printable, no wear and tear Key Features Completeness: Complete official full factory service repair manual Illustrations: Hundreds of photos and illustrations Cost Saving: Inexpensive way to keep vehicle working properly, significant savings compared to professional mechanic labor costs Style Coverage: ALL STYLES COVERED (Indicates broad applicability across different trim levels and configurations of the MJ Comanche). 📋 Manual Details Coverage Areas Vehicle Years: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 Page Count Estimated Pages: Hundreds (specific count not provided, but implied to be comprehensive) Manual Type Type: Complete Official Full Factory Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Service: Yes (Engine Service / Repair, Fuel Injection, Fuel System, Cooling System, Emission System, Engine Control System) Transmission Service: Yes (Transmission Service / Repair, Differential / Drive, Axle) Chassis And Suspension: Yes (Suspension, Steering, Chassis / Body, Brakes) Exhaust System: Yes Fuel Tank And Lines: Yes Climate Control: Yes (Heater/Air Conditional) Electrical And Electronics Electrical System: Yes (Wiring Diagram, Electrical System, Engine Control System) Body And Interior Body And Interior: Yes (Chassis / Body, Interior, Heater/Air Conditioner, Restraint System) Procedures Included Maintenance: Yes (General Maintenance, Periodic Lubrication) Troubleshooting: Yes Repair Procedures: Yes (Step-by-step instructions based on complete disassembly) Component Replacement: Yes (Detailed instructions for replacing all major and minor components). Diagnostic Charts: Yes (Troubleshooting sections likely include diagnostic charts and flowcharts). Technical Depth Depth: Comprehensive (From general maintenance to complete disassembly and repair, with hundreds of photos and illustrations) Torque Specifications: Extensive torque specifications for all critical fasteners and components. Clearances And Tolerances: Specifications for essential clearances and tolerances for engine, transmission, and driveline components. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely contains searchable text due to PDF format, allowing quick access to specific information. Print Quality Printability: Yes (Printable in its entirety or specific pages) Binding Type Binding: N/A (Digital format, printable) Paper Type Paper Type: N/A (Digital format, printable on user's choice of paper) Compatibility Operating Systems: All Versions of Windows AND Mac Access Access Methods: Direct download to PC, laptop, smartphone, tablet; accessible via web browser Software Requirements Required Software: Adobe PDF Reader, Winzip (both free) ⚙️ Engine Specifications Primary Engine Engine Options General: Multiple gasoline and diesel engines offered throughout the production run Performance Horsepower Torque Details: Detailed specifications for all engine variants available, including horsepower and torque figures (specifics vary by engine and year). Fuel System Fuel Injection: Covers fuel injection systems for applicable models, including diagnosis and repair. Engine Management Engine Control: Detailed coverage of the Engine Control System (ECS), including sensor operations, diagnostic trouble codes (DTCs), and component testing. Engine Options Specific Available Engines: Common engines included 2.1L I4, 2.5L I4 (AMC), and 4.0L I6 (AMC). Diesel options (e.g., Peugeot 2.1L Turbo Diesel) were also available early on. Specifics detailed in manual. 🔧 Transmission Standard Transmission Types: Manual and automatic transmissions available (specifics vary by year and trim). Manual Transmission: Manual transmissions like the AX-4, AX-5, and AX-15 were common. Details on clutch operation, repair, and adjustment. Automatic Transmission: Automatic transmissions such as the AW-4 (Jeep/Renault) and later Chrysler 30/42RH were utilized. Manual covers operation, service, and overhaul. Optional Transmission Features: Information on transfer cases and 4WD systems is included. Maintenance Transmission Fluid: Specifications and procedures for transmission fluid changes and checks. 📐 Dimensions Exterior Wheelbase: Available in multiple wheelbase options (e.g., 113.0 inches, 125.0 inches). Bed Lengths: Offered with short bed and long bed configurations. Weights Curb Weight: Varies based on engine, drivetrain, and configuration (specific weights provided in manual). Towing Capacity: Towing capacities varied significantly based on engine, axle ratio, and configuration. Manual will provide specific ratings. 🛡️ Safety Features Ratings Crash Test Data: While specific ratings for this era are scarce by modern standards, the manual will cover safety systems relevant to the time. Passive Features Restraint System: Coverage of seat belts and other passive restraint systems. 💡 Technology Features Infotainment Audio Systems: Factory options typically included AM/FM radio, cassette players, and basic speaker systems. Manual covers electrical connections for these. Driver Assistance ABS Availability: Anti-lock Braking System (ABS) was optional on some models, coverage included in brake system sections. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions and engine oil type (refer to manual for specific recommendations). Transmission Service Interval: Recommended every 30,000-60,000 miles for automatic transmissions (refer to manual). Fluid Specifications Engine Oil: Various API classifications and viscosity grades (e.g., 10W-30, 10W-40) depending on engine and temperature range. Manual provides exact...
Yes (Step-by-step instructions based on complete disassembly)
Component Replacement:
Yes (Detailed instructions for replacing all major and minor components).
Diagnostic Charts:
Yes (Troubleshooting sections likely include diagnostic charts and flowcharts).
Technical Depth
Depth:
Comprehensive (From general maintenance to complete disassembly and repair, with hundreds of photos and illustrations)
Torque Specifications:
Extensive torque specifications for all critical fasteners and components.
Clearances And Tolerances:
Specifications for essential clearances and tolerances for engine, transmission, and driveline components.
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Likely contains searchable text due to PDF format, allowing quick access to specific information.
Print Quality
Printability:
Yes (Printable in its entirety or specific pages)
Binding Type
Binding:
N/A (Digital format, printable)
Paper Type
Paper Type:
N/A (Digital format, printable on user's choice of paper)
Compatibility
Operating Systems:
All Versions of Windows AND Mac
Access
Access Methods:
Direct download to PC, laptop, smartphone, tablet; accessible via web browser
Software Requirements
Required Software:
Adobe PDF Reader, Winzip (both free)
⚙️ Engine Specifications
Primary Engine
Engine Options General:
Multiple gasoline and diesel engines offered throughout the production run
Performance
Horsepower Torque Details:
Detailed specifications for all engine variants available, including horsepower and torque figures (specifics vary by engine and year).
Fuel System
Fuel Injection:
Covers fuel injection systems for applicable models, including diagnosis and repair.
Engine Management
Engine Control:
Detailed coverage of the Engine Control System (ECS), including sensor operations, diagnostic trouble codes (DTCs), and component testing.
Engine Options Specific
Available Engines:
Common engines included 2.1L I4, 2.5L I4 (AMC), and 4.0L I6 (AMC). Diesel options (e.g., Peugeot 2.1L Turbo Diesel) were also available early on. Specifics detailed in manual.
🔧 Transmission
Standard
Transmission Types:
Manual and automatic transmissions available (specifics vary by year and trim).
Manual Transmission:
Manual transmissions like the AX-4, AX-5, and AX-15 were common. Details on clutch operation, repair, and adjustment.
Automatic Transmission:
Automatic transmissions such as the AW-4 (Jeep/Renault) and later Chrysler 30/42RH were utilized. Manual covers operation, service, and overhaul.
Optional
Transmission Features:
Information on transfer cases and 4WD systems is included.
Maintenance
Transmission Fluid:
Specifications and procedures for transmission fluid changes and checks.
📐 Dimensions
Exterior
Wheelbase:
Available in multiple wheelbase options (e.g., 113.0 inches, 125.0 inches).
Bed Lengths:
Offered with short bed and long bed configurations.
Weights
Curb Weight:
Varies based on engine, drivetrain, and configuration (specific weights provided in manual).
Towing Capacity:
Towing capacities varied significantly based on engine, axle ratio, and configuration. Manual will provide specific ratings.
🛡️ Safety Features
Ratings
Crash Test Data:
While specific ratings for this era are scarce by modern standards, the manual will cover safety systems relevant to the time.
Passive Features
Restraint System:
Coverage of seat belts and other passive restraint systems.
💡 Technology Features
Infotainment
Audio Systems:
Factory options typically included AM/FM radio, cassette players, and basic speaker systems. Manual covers electrical connections for these.
Driver Assistance
ABS Availability:
Anti-lock Braking System (ABS) was optional on some models, coverage included in brake system sections.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions and engine oil type (refer to manual for specific recommendations).
Transmission Service Interval:
Recommended every 30,000-60,000 miles for automatic transmissions (refer to manual).
Fluid Specifications
Engine Oil:
Various API classifications and viscosity grades (e.g., 10W-30, 10W-40) depending on engine and temperature range. Manual provides exact specifications.
Coolant:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Specific type and capacity in manual.
Brake Fluid:
DOT 3 brake fluid typically specified.
Power Steering Fluid:
ATF (Automatic Transmission Fluid) or specific power steering fluid depending on system.
Differential Fluid:
GL-5 gear oil typically specified for front and rear differentials. Weights depend on climate (e.g., 80W-90).
Transfer Case Fluid:
Specific transfer case fluid (e.g., ATF+4 or NP231/NP242 specific fluid) will be detailed.
Known Issues
Common Wear Items:
Common issues can include rust on body panels and frame, aging suspension components (bushings, ball joints), exhaust system corrosion, and potential issues with older fuel injection systems.
Engine Related:
Depending on engine choice (e.g., 4.0L inline-six), issues like head gasket leaks or oil pump problems can arise with high mileage, all covered for diagnosis in the manual.
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Built on Jeep's renowned off-road heritage and durability.
Model Evolution
Comanche Platform:
Based on the XJ Cherokee platform, sharing many components and design elements.
Production
Production Period:
1984-1996
Manufacturing Location:
United States
🏆 Awards & Recognition
Recognitions
Off Road Capability:
The Comanche, like other Jeeps, is recognized for its robust off-road capabilities, especially with optional 4x4 systems.