🏷️ Basic Information Identification Make: Isuzu Model: Geminett II Model Code: MGM / NGM Production Years Covered: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994 Codes Chassis Code Range: MGM / NGM Series 👋 Introduction Market Position Segment: Compact van/minitruck (commercial and passenger variants) Target Audience: Small businesses, tradespeople, fleet operators, and families Competitive Analysis Key Competitors: Mitsubishi Delica, Toyota Liteace/Townace, Nissan Vanette Key Features Versatility: Available in cargo van, passenger van, and pickup truck configurations Durability: Known for Isuzu's robust engineering and reliable powertrain options Value Proposition: Offered a practical and affordable solution for utility and transport needs 📋 Manual Details Coverage Areas Global Regions: Primarily Asia-Pacific (Japan, Australia, Southeast Asia) Specific Markets: Japan, Australia, New Zealand, other Asian markets Page Count Estimated Page Count: Over 1500 pages (typical for comprehensive workshop manuals of this era) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Engine: Engine mechanical, lubrication, cooling, fuel, ignition, emission control, engine electrical systems Transmission: Manual and automatic transmission overhaul, operation, diagnosis, and repair Drivetrain: Clutch, driveshafts, differentials, axles, and wheel hubs Suspension: Front and rear suspension systems, steering components, wheel alignment Brakes: Hydraulic system, brake calipers, rotors, drums, parking brake, ABS (if equipped) Electrical: Wiring diagrams, lighting, instrumentation, power distribution, charging system, starting system Body: Body panel repair, doors, windows, interior trim, seats, exterior trim HVAC: Heating, ventilation, and air conditioning system diagnosis and repair Chassis: Frame and chassis component inspection and repair Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication points Troubleshooting: Diagnostic procedures, symptom-based troubleshooting charts, fault code interpretation Repair: Step-by-step repair instructions for all major components and systems Overhaul: Complete disassembly and reassembly procedures for engines, transmissions, and differentials Installation: Instructions for component replacement and installation Specifications: Torque specifications, clearances, measurements, and tolerances for all components Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to full engine and transmission rebuilds, including detailed electrical schematics and troubleshooting guides. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable (assuming OCR applied to original scans) Print Quality Resolution: High-resolution (typical for factory manuals, ensuring clarity of diagrams) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code Common: G161 / G200 (Gasoline), 4EC1 (Diesel) Displacement Petrol 1: 1.6 Liters (1584 cc) Displacement Petrol 2: 2.0 Liters (1951 cc) Displacement Diesel: 1.8 Liters (1817 cc) Performance Petrol 1 Approx Horsepower Approx: 70-80 HP Torque Approx: 120-130 Nm Performance Petrol 2 Approx Horsepower Approx: 90-100 HP Torque Approx: 150-160 Nm Performance Diesel Approx Horsepower Approx: 55-60 HP Torque Approx: 110-120 Nm Fuel System Petrol Fuel Delivery Petrol: Carbureted (single or dual barrel) or Fuel Injection (later models) Fuel System Diesel Fuel Delivery Diesel: Indirect injection with rotary or inline injection pump Ignition System Ignition Type: Distributor-based electronic ignition Cooling System Cooling Type: Liquid-cooled 🔧 Transmission Standard Transmission Type 1: 4-speed Manual Optional Transmission Type 2: 3-speed Automatic (common on passenger variants) Features Drivetrain Layout: Rear-wheel drive (RWD) standard, some variants may have offered 4-wheel drive (4WD) Fluid Specifications Manual Fluid: API GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90) Automatic Fluid: Dexron II or equivalent 📐 Dimensions Exterior Body Styles: Panel Van, Window Van, Pickup Truck, Chassis Cab Wheelbase Approx: 2400-2700 mm (varies by configuration) Length Approx: 4000-4600 mm (varies by configuration) Weights Curb Weight Approx: 1000-1300 kg (varies by configuration and powertrain) Gross Vehicle Weight Rating Approx: 1800-2200 kg 🛡️ Safety Features Ratings Safety Standards: Reflects contemporary safety standards of the 1980s and early 1990s; likely minimal electronic safety aids. Active Features Active Safety: Standard hydraulic braking system; optional ABS on some higher trims in later years (less common). Passive Features Passive Safety: Seat belts, reinforced cabin structure (basic). 💡 Technology Features Infotainment Audio System: Basic AM/FM radio and cassette player Display: Analog gauges for speedometer, tachometer (optional), fuel, temperature; warning lights Driver Assistance Driver Aids: Minimal; focus on essential controls. Power steering available on some variants. Connectivity Connectivity Features: N/A (pre-dates modern connectivity standards) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 km or 6 months (typical for the era) Air Filter Replacement Interval: Every 15,000-20,000 km Spark Plug Replacement Interval Petrol: Every 20,000-30,000 km Timing Belt Replacement Interval Petrol: Every 60,000-80,000 km (critical to follow for interference engines) Fluid Specifications Engine Oil Type: API SF/SG or equivalent, SAE 10W-30 or 10W-40 (check manual for specific viscosity and API rating based on climate) Coolant Type: Ethylene glycol based antifreeze coolant (typically a green type) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common Wear Items: Ignition components (spark plugs, wires, distributor cap/rotor), clutch wear, exhaust system corrosion, suspension bushings Diesel Specific: Glow plug reliability, injector pump calibration, carbon buildup Rust Prone Areas: Wheel...