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Introduction
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Market Position
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Segment:
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Light Commercial Vehicle (LCV) / Utility Vehicle
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Target Audience:
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Owners, mechanics, workshops, enthusiasts of Isuzu KB and Holden Rodeo vehicles.
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Competitive Analysis
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Key Competitors:
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Toyota Hilux, Nissan Navara, Mitsubishi Triton, Ford Courier.
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Key Features
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Manual Value Proposition:
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Provides extensive, detailed, and accurate repair and maintenance information across a vast range of vehicle systems and engine variants, facilitating effective diagnostics and repairs.
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Manual Coverage
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Systems Covered
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Powertrain:
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Engines (4JA1, 4JB1T, 4ZC1, 4ZE1), Diesel and Petrol variants, Transmissions (MUA, MSG), Clutch, Propshaft, Rear Axle, Diff Lock
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Chassis And Suspension:
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Frame, Bumpers, Front Suspension, Rear Suspension, Steering (Manual & Power), Wheels and Tyres, Front Alignment
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Electrical And Accessories:
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Engine Electrical Systems, Body Electrical Systems, Accessories (including Cabin related electricals)
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Body And Comfort:
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Sheetmetal, Cab Interior, Heating and Air Conditioning
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Procedures Included
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Routine Maintenance:
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Oil changes, filter replacements, fluid checks and top-ups, lubrication, general inspections.
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Diagnostics:
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Troubleshooting guides and diagnostic procedures for both diesel and petrol engines, and other major systems.
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Mechanical Repairs:
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Engine repair, transmission overhaul, clutch replacement, suspension component replacement, steering system repair.
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Electrical Repairs:
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Wiring diagrams, component testing, diagnosis of electrical faults, starter motor, alternator, lighting, and accessory circuits.
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Cooling System:
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Radiator, hoses, water pump, thermostat, fan, coolant flush and replacement.
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Fuel System:
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Fuel pump, injectors, filters, fuel lines, carburetor (for petrol) or injection system (for diesel).
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Exhaust System:
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Muffler, catalytic converter (if applicable), pipes, gaskets, and hangers.
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Brake System:
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Brake pads, rotors, calipers, master cylinder, brake lines, bleeding procedures.
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Body And Trim:
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Body panel repair, door mechanisms, glass replacement, interior trim removal and installation.
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Technical Depth
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Depth:
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Comprehensive coverage suitable for professional technicians and experienced DIY mechanics, including detailed disassembly, reassembly, adjustments, specifications, and troubleshooting.
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Engine Specifications
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Primary Engine
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Engine Code 4Ja1:
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2.2L (2270 cc) Isuzu 4JA1 Diesel, naturally aspirated
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Engine Code 4Jb1T:
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2.8L (2835 cc) Isuzu 4JB1-T Diesel, turbocharged
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Engine Code 4Zc1:
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1.6L (1590 cc) Isuzu 4ZC1 Petrol, typically carbureted
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Engine Code 4Ze1:
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2.3L (2254 cc) Isuzu 4ZE1 Petrol, typically carbureted or fuel injected
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Performance
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Horse Power Range:
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Approx. 60-70 HP for naturally aspirated diesel, 80-100 HP for turbocharged diesel, 70-90 HP for petrol engines (varies by specific engine tune and year).
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Torque Range:
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Approx. 130-160 Nm for diesel engines, 130-150 Nm for petrol engines (varies).
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Fuel System
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Diesel Fuel System:
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Mechanical Injection Pump (e.g., Bosch VE) or Direct Injection (DI) for later models, Fuel Filters.
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Petrol Fuel System:
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Carburetor (e.g., Hitachi, Mikuni) or Electronic Fuel Injection (EFI) for later models, Fuel Pump, Fuel Filter.
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Maintenance
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Service Intervals
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Oil Change Diesel:
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Typically every 5,000-10,000 km or 6-12 months, depending on operating conditions and oil type. Manual provides specifics.
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Oil Change Petrol:
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Typically every 5,000-7,500 km or 6-12 months. Manual provides specifics.
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Air Filter Replacement:
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Every 20,000-40,000 km or as per manual recommendations based on driving environment.
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Fuel Filter Replacement Diesel:
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Every 20,000-40,000 km for diesel engines, critical for injector longevity. Manual provides specific interval.
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Fluid Specifications
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Engine Oil Diesel:
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API CE or CF rated, SAE 10W-30 or 15W-40 diesel engine oil (refer to manual for exact specifications and capacity).
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Engine Oil Petrol:
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API SG or SH rated, SAE 10W-30 or 10W-40 for petrol engines (refer to manual for exact specifications and capacity).
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Coolant:
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Ethylene glycol-based coolant with corrosion inhibitors, typically a 50/50 mix with distilled water. Manual specifies type and capacity.
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Transmission Fluid Manual:
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GL-4 rated gear oil, SAE 75W-90 or 80W-90. Manual specifies exact type and quantity.
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Brake Fluid:
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DOT 3 or DOT 4 brake fluid. Manual specifies type.
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Known Issues
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Diesel Engine Wear:
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Potential for injector pump issues, glow plug failures, and turbocharger wear on the 4JB1-T if not maintained. Manual provides diagnostic steps.
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Petrol Engine Carburetion:
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Carburetor tuning and wear can lead to running issues. Manual provides adjustment and overhaul procedures.
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Suspension Bushings:
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Wear in suspension bushings and ball joints can occur due to utility use. Manual details replacement procedures.
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Rust And Corrosion:
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Common for vehicles of this era, especially in coastal or high-humidity environments. Manual may have body repair sections.
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