🏷️ Basic Information Identification Make: Mitsubishi Model: Montero Year: 1987 Codes Chassis Code: L040 Series 👋 Introduction Market Position Vehicle Segment: Compact/Mid-size SUV Target Audience: Off-road enthusiasts, families, general consumers seeking ruggedness and utility. Competitive Analysis Key Competitors 1987: Jeep Cherokee (XJ), Ford Bronco II, Chevrolet S-10 Blazer, Toyota 4Runner. Key Features Body On Frame Construction: Provides robust off-road capability and durability. 4Wd System: Shift-on-the-fly 4WD system, often with a low-range transfer case. Reliability: Known for its robust mechanicals and longevity when properly maintained. 📋 Manual Details Coverage Areas All Styles Covered: True Page Count Estimated Page Count: Approx. 1500+ pages (typical for a comprehensive workshop manual of this era) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, overhaul, and specifications for all engine variants. Transmission: Manual and automatic transmission repair, clutch service, drivetrain components. Brakes: Hydraulic system, power assist, parking brake, ABS (if equipped). Suspension: Front and rear suspension, steering system, wheel alignment. Electrical System: Battery, charging system, starting system, lighting, ignition, instrumentation, accessories, wiring diagrams. Body And Chassis: Body panels, doors, windows, interior trim, frame and chassis repair. Heating And Air Conditioning: HVAC system diagnostics and repair. Fuel System: Fuel tank, fuel pump, fuel lines, fuel injection (if applicable). Cooling System: Radiator, fan, water pump, thermostat, coolant specifications. Exhaust System: Catalytic converter, mufflers, pipes, hangers. Procedures Included Preventive Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks. Troubleshooting: Diagnostic procedures for common and uncommon issues, fault codes. Repair And Rebuild: Step-by-step instructions for component removal, installation, and overhaul. Adjustments: Valve adjustments, carburetor adjustments (if applicable), brake adjustments. Diagnostics: Engine management system diagnostics, electrical system troubleshooting charts. Technical Depth Depth Of Coverage: Comprehensive from basic maintenance to complete engine and transmission rebuilds. Diagnostic Charts: Detailed flowcharts for diagnosing specific problems. Torque Specifications: Precise torque values for all critical fasteners. Special Tools: Identification and use of specific Mitsubishi specialty tools. Wiring Diagrams: Detailed and accurate electrical schematics for all circuits. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, searchable, and printable pages. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: 4G63 Engine Type: Inline 4-Cylinder, SOHC Displacement: 2.6 Liters (2555 cc) Performance Horsepower: Approx. 105-112 hp @ 4500-5000 RPM (depending on configuration) Torque: Approx. 136-141 lb-ft @ 2500-3000 RPM (depending on configuration) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Optional Transmission Type Optional: 4-Speed Automatic Features Transfer Case: 2-Speed transfer case with 2H, 4H, 4HL, 4LL options. 📐 Dimensions Exterior Wheelbase: Approx. 109.4 inches (2780 mm) Length: Approx. 175.2 inches (4450 mm) Width: Approx. 66.3 inches (1685 mm) Height: Approx. 71.1 inches (1805 mm) Weights Curb Weight: Approx. 3600-4000 lbs (1633-1814 kg), varies by configuration. Gross Vehicle Weight Rating: Varies by configuration, typically around 5000 lbs (2268 kg). 🛡️ Safety Features Ratings NHTSA Ratings 1987: Specific NHTSA ratings for 1987 models may not be readily available; focus on passive and active features. Active Features Braking System: Front disc brakes, rear drum brakes. Optional ABS on some higher trims. 4Wd System Traction: Provides enhanced traction in slippery conditions. Passive Features Seatbelts: Standard three-point front seatbelts, two-point rear seatbelts (depending on seating position). Body Structure: Reinforced passenger safety cell. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player. Speaker configurations varied by trim level. Climate Control: Manual ventilation system, with optional dealer-installed or factory air conditioning. Driver Assistance ABS Availability: Anti-lock Braking System (ABS) was an optional feature on some higher trim levels for 1987. Connectivity Connectivity Features: Limited by modern standards. Primarily mechanical linkages and basic electrical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles (6,000 km) or 6 months, whichever comes first. Air Filter Replacement: Every 15,000 miles (24,000 km) or annually. Spark Plug Replacement: Every 30,000 miles (48,000 km). Timing Belt Replacement: Crucial for 4G63. Recommended every 60,000 miles (96,000 km) or 4 years. Failure can cause catastrophic engine damage. Fluid Specifications Engine Oil Specification: API SF or SG, SAE 10W-30 or 10W-40 (check owner's manual for climate variations). Coolant Specification: Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio). Transmission Fluid Manual: GL-4 Hypoid Gear Oil, SAE 75W-90. Transmission Fluid Automatic: Dexron II or equivalent automatic transmission fluid. Transfer Case Fluid: GL-4 Hypoid Gear Oil, SAE 75W-90. Differential Fluid: GL-5 Hypoid Gear Oil, SAE 80W-90. Known Issues Rust And Corrosion: Common on chassis, body panels (especially around wheel wells and rocker panels) due to age and environmental exposure. Cooling System Leaks: Hoses, radiator, and water pump can develop leaks over time. Suspension Wear: Ball joints, tie rod ends, bushings can wear, leading to steering looseness...