Engine:
All gasoline and diesel engine variants, including: 4ZE1 (2.6L), 4JX1 (3.0L Diesel), C223 (2.2L Diesel), C240 (2.4L Diesel). Coverage includes diagnosis, disassembly, assembly, and specifications.
Transmission:
Manual and Automatic transmissions (e.g., Isuzu AR5, MUA5). Includes removal, installation, overhaul, and component specifications.
Drivetrain:
Front-wheel drive (FWD) and Four-wheel drive (4WD) systems, transfer case, axles, driveshafts, differentials. Includes servicing and repair procedures.
Suspension:
Independent front suspension (IFS) and solid rear axle. Includes shock absorbers, springs, control arms, ball joints, bushings, and alignment procedures.
Steering:
Power and manual steering systems, steering rack/box, tie rods, steering column. Includes diagnosis and repair.
Brakes:
Front disc and rear drum brake systems. Includes hydraulic system, calipers, wheel cylinders, master cylinder, parking brake, ABS (if equipped) and bleeding procedures.
Electrical:
Complete electrical system, including: battery, charging system (alternator), starting system (starter), ignition system, lighting, instrument cluster, power windows, locks, wipers, horn, and fuse/relay locations.
Fuel System:
Fuel delivery (pump, lines, filter), carbureted (if applicable) and fuel injection systems. Includes diagnosis of injectors, fuel pressure, and ECU controls.
Cooling System:
Radiator, water pump, thermostat, hoses, cooling fans. Includes flush and fill procedures, leak diagnosis.
Exhaust System:
Exhaust manifolds, pipes, catalytic converter, muffler. Includes inspection and replacement guidance.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system. Includes blower motor, heater core, A/C compressor, refrigerant system diagnosis.
Body:
Body panels, doors, glass, seats, interior trim, bumpers, chassis components. Includes removal, installation, and adjustment.
Body Electrical:
Body control modules (BCM), power locks, power windows, mirrors, interior lighting, exterior lighting systems.
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug replacement, fuel filter replacement, coolant checks and flushes, brake fluid checks, tire rotations.
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting for common and complex issues across all major systems.
Repair Procedures:
Step-by-step instructions for component removal, disassembly, cleaning, inspection, repair, and reassembly.
Component Overhaul:
Detailed procedures for rebuilding major components like engines, transmissions, and differentials.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all vehicle systems, aiding in diagnosis and repair.
Specifications And Tolerances:
Precise torque specifications, clearances, measurements, and diagnostic data for all components.
Special Tools:
Identification of specialized tools required for specific procedures.
Depth Of Coverage:
Comprehensive factory-level detail, suitable for professional mechanics and experienced DIY enthusiasts. Covers everything from basic maintenance to full engine and transmission rebuilds.
Oil Change Interval:
Typically every 3,000-5,000 miles (5,000-8,000 km) or 6 months, depending on driving conditions. Consult manual for specific recommendation.
Engine Coolant Interval:
Initial change at 30,000 miles (50,000 km), then every 2 years or 30,000 miles (50,000 km) thereafter, depending on coolant type.
Transmission Fluid Interval:
Manual: Check periodically, change every 60,000 miles (100,000 km). Automatic: Check periodically, change fluid and filter every 30,000-50,000 miles (50,000-80,000 km).
Engine Oil Type:
API SG/SH or higher. Viscosity typically 10W-30 or 5W-30 depending on climate. Consult manual for exact specification. Diesel engines may require specific diesel engine oils.
Coolant Type:
Ethylene Glycol based coolant (green color). Mix 50/50 with distilled water. Do not use silicates unless specified for the specific engine.
Transmission Fluid Manual:
GL-4 gear oil, SAE 75W-90 or 80W-90.
Transmission Fluid Automatic:
Dexron III (or equivalent) ATF (Automatic Transmission Fluid).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
ATF Dexron II/III or specified power steering fluid.
Engine Common Problems:
Head gasket leaks (especially on 4ZE1), timing belt wear (on some engines), diesel injector pump issues, turbocharger failure (on 4JX1).
Transmission Common Problems:
Clutch wear, synchro issues in manual transmissions, occasional leaks or slippage in automatics.
Suspension Common Problems:
Worn ball joints and tie rod ends, leaky shock absorbers, worn bushings leading to noise and handling issues.
Rust And Corrosion:
Common in older vehicles, particularly on body panels, frame rails, and exhaust systems, depending on climate and maintenance history.
Isuzu Legacy:
Isuzu has a long history of producing robust diesel engines and commercial vehicles, which influenced the engineering of their light trucks and SUVs.
Kb Series Tf Generation:
The TF generation (produced 1985-1997, with facelifted models in the mid-90s covering the 1993-1996 range) was a significant update, offering improved styling and drivetrains.
Manufacturing Locations:
Primarily Japan (Fujisawa Plant), with significant assembly in other countries through partnerships (e.g., Thailand, Australia, South Africa).
Rebadging:
The KB series was sold under various names globally, including Isuzu D-Max (in some later markets, though the D-Max nameplate is more associated with the subsequent generation), Holden Rodeo (Australia), Chevrolet LUV (earlier generations, but concept of badge engineering persists).