🏷️ Basic Information Identification Make: Jeep Model: Comanche Year: 1992 Generation Generation Designation: First Generation (XJ/MJ Series) Codes Chassis Code: MJ 👋 Introduction Market Position Segment: Compact Pickup Truck, Sport Utility Vehicle (SUV) platform derivative Target Audience: Off-road enthusiasts, utility buyers, those seeking durable and capable compact trucks. Competitive Analysis Primary Competitors: Ford Ranger, Chevrolet S-10/GMC Sonoma, Nissan Hardbody, Toyota Pickup (RN80/90 series). Key Features Platform Sharing: Built on the robust XJ Cherokee platform, offering shared components and chassis design. Off Road Capability: Known for its strong off-road prowess due to Jeep's heritage, available 4WD systems, and solid axles. Durability: Renowned for its rugged construction and longevity, appealing to users who demand reliability. 📋 Manual Details Coverage Areas Markets Covered: North America (primarily USA and Canada) Trim Levels Covered: All available trim levels for the 1992 model year (e.g., Base, Sport, Pioneer, Laredo, Chief, Eliminator) Page Count Estimated Page Count: 900-1200+ Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Printed Manual (or Digital PDF reproduction) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnosis, and repair of all gasoline and diesel engine options. Engine Electrical: Ignition system, fuel injection, engine control module (ECM/PCM), sensors, actuators, starting and charging system. Transmission: Manual and automatic transmission service, overhaul, diagnostics, and fluid specifications. Drivetrain: Transfer case operation and repair, Dana 30 front axle, Chrysler 8.25 rear axle (or optional Dana 44), driveshafts, U-joints. Suspension: Front leaf spring (standard) and optional coil spring suspension systems, rear leaf spring suspension, shock absorbers, bushings. Steering: Power steering system diagnosis and repair, steering linkage, steering column. Brakes: Front disc and rear drum brake systems, hydraulic lines, master cylinder, proportioning valve, parking brake system. Body And Frame: Body panel removal and installation, interior trim, glass, doors, tailgate, chassis inspection and repair. Electrical System: Complete vehicle wiring diagrams, lighting, instrument cluster, power accessories, fuse block, relays. HVAC: Heating, ventilation, and air conditioning system diagnosis, repair, and refrigerant handling (R12 specific). Procedures Included Maintenance: Scheduled maintenance intervals, oil change procedures, filter replacements, lubrication points. Troubleshooting: Diagnostic charts and flowcharts for common drivability, electrical, and mechanical issues. Repair: Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation. Diagnostics: Diagnostic trouble codes (DTCs) for OBD-I systems, component testing procedures, scan tool usage (where applicable). Technical Depth Depth: Comprehensive (from basic fluid checks to full engine/transmission rebuilds). Diagnostic Tools: Specifies required special tools and diagnostic equipment. Torque Specifications: Detailed torque specifications for all critical fasteners. Schematics: Detailed electrical schematics, vacuum diagrams, and hydraulic circuits. 📊 Manual Specifications File Format Digital Format: PDF (Searchable text, printable pages, often with bookmarks for easy navigation) Print Quality Print Quality: High-resolution scans of original factory documentation, ensuring clarity of text and diagrams. Binding Type Binding Type: N/A (for Digital PDF); Typically comb-bound or perfect-bound for physical reproductions. Paper Type Paper Type: N/A (for Digital PDF); Original manuals often used durable, thicker paper stock. ⚙️ Engine Specifications Primary Engine Engine Code Gas 1: 2.5L AMC I4 (150 cu in) Displacement Gas 1: 2469 cc Horsepower Gas 1: 125 hp @ 4800 rpm (approximate) Torque Gas 1: 150 lb-ft @ 2400 rpm (approximate) Optional Engine Engine Code Gas 2: 4.0L AMC I6 (242 cu in) 'High Output' Displacement Gas 2: 3960 cc Horsepower Gas 2: 177 hp @ 4750 rpm (approximate) Torque Gas 2: 220 lb-ft @ 3300 rpm (approximate) Optional Engine Diesel Engine Code Diesel: 2.1L VM Motori TD I4 (Turbodiesel) Displacement Diesel: 2088 cc Horsepower Diesel: 85 hp @ 4000 rpm (approximate) Torque Diesel: 145 lb-ft @ 2000 rpm (approximate) Fuel System Fuel Delivery Gas: Multi-port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (87 octane recommended for 4.0L, 87+ for 2.5L), Diesel fuel for TD model Cooling System Coolant Type: Ethylene Glycol based coolant (e.g., Mopar Antifreeze/Coolant, or equivalent meeting Chrysler MS-7170 specification) Ignition System Ignition Type: Distributorless Ignition System (DIS) with Crankshaft Position Sensor and Coil Pack (for 4.0L HO); Distributor ignition for 2.5L and TD 🔧 Transmission Standard Transmission Manual Transmission 1: Aisin AX-4 4-speed manual Optional Transmission Manual Transmission 2: New Process NP231 Command-Trac 2-speed transfer case (standard with 4WD) Automatic Transmission 1: Chrysler A904 / A999 3-speed automatic (with 2.5L engine) Automatic Transmission 2: Chrysler A500 / A518 4-speed automatic overdrive (with 4.0L HO engine) Features Transfer Case Options: NP231 (2WD/4WD Part-Time) or NP242 Selec-Trac (2WD/4WD Full-Time with 2WD option) Fluid Specifications Automatic Transmission Fluid: ATF+3 (or equivalent meeting Chrysler MS-9602 specification) Manual Transmission Fluid: GL-3 or GL-4 80W-90 gear oil (specific to Aisin AX-4) Transfer Case Fluid: ATF+3 (or equivalent meeting Chrysler MS-9602 specification) for NP231 and NP242 📐 Dimensions Exterior Wheelbase Short Bed: 113.0 inches (2870 mm) Wheelbase Long Bed: 124.5 inches (3162 mm) Bed Length Short: 74.0 inches (1880 mm) Bed Length Long: 93.0 inches (2362 mm) Weights Curb Weight Approx: 3,500...
Significant rust potential on floor pans, rocker panels, cab corners, and wheel wells, especially in areas with road salt.
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Jeep's long-standing reputation for off-road capability and durable utility vehicles.
Model Evolution
Mj Introduction:
Introduced in 1985 as Jeep's compact pickup truck offering, designed to compete with domestic and import rivals.
Mj Updates 1992:
1992 saw minor updates, including potential revisions to engine options and trim packages. The 4.0L inline-six engine was a significant upgrade for performance.
Mj Discontinuation:
Production ceased after the 1992 model year in North America, making the 1992 model the final year of the Comanche.
Production
Production Plant:
Toledo, Ohio, USA
🏆 Awards & Recognition
Recognitions
Off Road Magazine Awards:
Frequently recognized by off-road publications for its capability and value.
Ratings
Consumer Reports Historicl Ranking:
Often rated average to below average for reliability by consumer reporting agencies of its era, largely due to early 4.0L head issues and general electrical component aging.