🏷️ Basic Information Identification Make: Isuzu Model: Impulse Year: 1990 Generation Generation Code: JT Codes Chassis Code: JT221F 👋 Introduction Market Position Market Segment: Compact Sports Coupe / Performance Car Competitive Analysis Key Competitors 1990: Toyota Celica, Nissan 240SX, Mitsubishi Eclipse, Ford Probe Key Features Unique Selling Points Of Manual: Officially licensed OE materials, instant online access, PC/laptop/smartphone/tablet compatibility, year-long subscription, cost-effective compared to printed manuals or shop labor. Unique Selling Points Of Vehicle: Stylized Italian design (Giotto Giugiaro), available all-wheel drive (AWD) on certain trims, performance-oriented drivetrain options, independent rear suspension. 📋 Manual Details Coverage Areas Main Coverage: Complete Service and Repair Specific Systems Covered: Engine Mechanical, Fuel System, Ignition System, Cooling System, Exhaust System, Drivetrain (Front Wheel Drive), Transmission (Manual & Automatic), Steering System, Suspension System (Front & Rear), Brake System (Front Disc, Rear Disc), Electrical System, HVAC System, Body and Chassis, Interior Trim, Diagnostic Procedures Page Count Estimated Page Count: 1000+ Manual Type Manual Type: Software Service & Repair Manual Language Language: English Format Format: Digital Software (Online Access with Year Subscription) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhaul procedures, component specifications, timing belt/chain replacement, cylinder head service, piston and connecting rod installation, crankshaft service. Fuel System: Fuel injection system diagnostics, component testing (injectors, fuel pump, pressure regulator), fuel filter replacement, fuel tank service. Ignition System: Ignition coil testing, spark plug specifications and replacement, distributor service (if applicable), ignition timing adjustments, ECU diagnostics related to ignition. Cooling System: Radiator service, coolant specifications and flushing procedures, thermostat replacement, water pump diagnosis and replacement, fan clutch/electric fan operation. Drivetrain: Front wheel drive axle boot replacement, CV joint service, differential inspection and service (for FWD transaxle). Transmission Manual: Clutch inspection and replacement, transmission fluid specifications and change intervals, gear shifting mechanism troubleshooting, internal transmission repair procedures. Transmission Automatic: Automatic transmission fluid type and capacity, fluid and filter change procedures, torque converter service, common diagnostic codes and troubleshooting for automatic transmissions. Steering System: Power steering fluid type, pump and rack diagnosis, tie rod end replacement, steering column service, alignment specifications. Suspension System: Front and rear shock absorber/strut replacement, ball joint inspection and replacement, control arm service, spring replacement, wheel bearing service, alignment angles. Brake System: Front and rear brake pad and rotor replacement, brake caliper service, brake fluid type and bleeding procedures, parking brake adjustment, ABS system diagnostics (if equipped). Electrical System: Wiring diagrams for all circuits, fuse and relay identification and testing, starter and alternator service, battery specifications, lighting system repair, horn and wiper system service, dashboard warning lights troubleshooting. HVAC System: Air conditioning system refrigerant type, evacuation and recharge procedures, compressor clutch testing, heater core replacement, blower motor service, cabin air filter replacement (if applicable). Body Chassis: Door panel removal, interior trim piece replacement, bumper removal and installation, hood and trunk latch mechanisms, window regulator service, panel alignment procedures. Procedures Included Maintenance Procedures: Regularly scheduled maintenance, fluid level checks and top-offs, filter replacements (oil, air, fuel), spark plug replacement, belt inspection and replacement, tire rotation and pressure checks. Troubleshooting Guides: Systematic diagnostic flowcharts for common drivability issues, electrical faults, and mechanical problems. Includes symptom-based troubleshooting. Repair Procedures: Step-by-step instructions with torque specifications, special tool requirements, and exploded views for component removal and installation across all major vehicle systems. Diagnostic Procedures: Methods for checking engine codes, sensor data interpretation, actuator testing, and electrical circuit diagnosis using multimeters and specialized tools. Technical Depth Depth Of Coverage: Comprehensive, from basic preventative maintenance to complete engine and transmission rebuilds. Includes detailed specifications, diagrams, and troubleshooting. 📊 Manual Specifications File Format File Format: Web-based software accessible via browser. Print Quality Print Quality: N/A (Digital Format) Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: 4ZC1-T (Turbocharged) Engine Type: Inline 4-cylinder, DOHC, 16-valve, Turbocharged Displacement: 1.8 Liters (1809 cc) Performance Horsepower: 130 hp @ 6000 rpm (approx.) Torque: 137 lb-ft @ 3000 rpm (approx.) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Recommended Fuel: 87 Octane Unleaded Gasoline (Check manual for specific octane) Maintenance Timing Belt Replacement Interval: 60,000 miles or 5 years (Refer to manual for exact interval) Oil Capacity With Filter: 4.2 Quarts (4.0 Liters) - Refer to manual for exact capacity Recommended Engine Oil: API SG/SH SAE 10W-30 (Refer to manual for specific viscosity and certifications) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Optional Transmission Type: 4-Speed Automatic Features AWD Availability: Available on specific trims (e.g., Turbo AWD) Maintenance Manual Transmission Fluid Type: API GL-4 SAE 75W-90 (Refer to manual for exact specification) Automatic Transmission Fluid Type: Dexron II or equivalent (Refer to manual for exact specification) Transmission Fluid Capacity Manual: Approx. 2.0 Quarts (1.9 Liters) - Refer to manual Transmission Fluid Capacity Automatic: Approx. 7.0 Quarts (6.6 Liters) - Refer to manual 📐 Dimensions Exterior Length: 167.7...