Market Position:
The Isuzu Rodeo (sold as Holden Rodeo in many markets) was a popular light commercial vehicle and pickup truck known for its durability and utility. The TF series represented a significant evolution, offering improved performance and features, competing with vehicles like the Toyota Hilux, Nissan Navin, and Mitsubishi Triton.
Competitive Analysis:
This manual is critical for owners and technicians working on a robust and widely used platform. The emphasis on dealership-level detail ensures that complex repairs and diagnostics, often requiring specialized knowledge and tools, are fully covered.
Key Features:
Provides comprehensive coverage equivalent to factory service manuals used by authorized dealerships, ensuring accurate and efficient maintenance and repair. The inclusion of detailed diagrams and step-by-step instructions is invaluable for complex procedures.
Coverage Areas:
Comprehensive service, repair, maintenance, diagnosis, and troubleshooting for Isuzu Holden Rodeo KB TF 140 models equipped with 4JA1 and 4JB1T engines.
Page Count:
Estimated 2000+ pages (typical for dealership-level workshop manuals, exact count not provided but implied by description)
Manual Type:
Workshop Service Repair Manual
Format:
PDF (Downloadable)
Systems Covered:
Engine mechanical, engine management (ECU, sensors, actuators), fuel system (injection, pumps, filters), cooling system, lubrication system, exhaust system, ignition system, starting system, charging system, transmission (manual/automatic), drivetrain (driveshafts, differentials), suspension (front/rear), steering system, braking system (ABS included if applicable), electrical system (wiring diagrams, components), body (interior/exterior trim, panels, glass), HVAC system, and chassis components.
Procedures Included:
Step-by-step repair instructions, diagnostic procedures, troubleshooting guides, removal and installation of components, routine maintenance tasks, specifications for adjustments, torque values, fluid capacities, electrical schematics, and wiring diagrams.
Technical Depth:
Dealership-level technical depth, suitable for professional technicians and experienced DIY mechanics. Covers diagnostics, complex repairs, and detailed component overhauls.
Print Quality:
High-resolution, designed for clear printing of text, diagrams, and images.
Binding Type:
N/A (Digital Download - PDF)
Paper Type:
N/A (Digital Download - PDF)
Searchability:
Likely searchable text within the PDF (dependent on original scan quality).
Primary Engine 1:
Isuzu 4JA1
Engine Type 4Ja1:
2.5L (2499cc) Naturally Aspirated Diesel
Bore Stroke 4Ja1:
93.0 mm x 92.0 mm
Compression Ratio 4Ja1:
21.2:1
Power Output 4Ja1 Approx:
76 HP (56 kW) @ 4000 RPM (approximate, varies by specific application)
Torque Output 4Ja1 Approx:
142 Nm (105 lb-ft) @ 2300 RPM (approximate, varies by specific application)
Primary Engine 2:
Isuzu 4JB1T
Engine Type 4Jb1T:
2.8L (2771cc) Turbocharged Diesel
Bore Stroke 4Jb1T:
93.0 mm x 102.0 mm
Compression Ratio 4Jb1T:
21.2:1
Power Output 4Jb1T Approx:
93 HP (68 kW) @ 3800 RPM (approximate, varies by specific application)
Torque Output 4Jb1T Approx:
180 Nm (133 lb-ft) @ 2200 RPM (approximate, varies by specific application)
Fuel System Type 4Ja1:
Indirect Injection (IDI) with Bosch VE Rotary Pump (typical)
Fuel System Type 4Jb1T:
Indirect Injection (IDI) with Turbocharger and Bosch VE Rotary Pump (typical)
Cooling System Type:
Water-cooled, pressurized system
Lubrication System Type:
Forced lubrication system with wet sump
Standard Transmission Type:
5-speed manual transmission (common)
Optional Transmission Type:
4-speed automatic transmission (available on some models)
Transmission Features:
Includes detailed procedures for clutch operation, gear selection mechanisms, and automatic transmission fluid changes and diagnostics.
Wheelbase Tf:
Refer to specific model variants (e.g., 2785 mm for single cab long bed)
Overall Length Tf:
Refer to specific model variants
Overall Width Tf:
Refer to specific model variants
Overall Height Tf:
Refer to specific model variants
Curb Weight Tf:
Varies significantly by body style and configuration (e.g., 1500-1800 kg)
Gross Vehicle Weight Rating Gvwr Tf:
Varies by configuration (e.g., up to 2700 kg)
Towing Capacity Tf:
Refer to specific model variants and local regulations
Safety Ratings:
Likely varied by market and year; earlier TF models may have limited safety features compared to modern standards. The manual will detail existing safety systems.
Active Safety Features:
ABS (Anti-lock Braking System) may be available on higher trims or later models. Traction control less common.
Passive Safety Features:
Seat belts (3-point front, lap rear), reinforced cabin structure, potentially driver airbag on later models.
Infotainment Features:
Basic infotainment systems typical for the era: AM/FM radio, cassette player, potentially a single-CD player on later models. Speaker configurations vary by trim.
Driver Assistance Features:
Limited by era. ABS available on some variants. No advanced electronic driver assistance systems (e.g., adaptive cruise control, lane keeping assist).
Connectivity Features:
Basic connectivity: 12V power outlet. No modern USB ports or Bluetooth connectivity unless retrofitted.
Engine Oil Change Interval:
Typically every 5,000 - 10,000 km or 6-12 months (refer to manual for exact recommendation based on driving conditions).
Air Filter Replacement:
Every 20,000 - 40,000 km or as needed based on dusty conditions.
Fuel Filter Replacement:
Every 30,000 - 50,000 km (crucial for diesel engines).
Coolant Replacement:
Every 40,000 - 80,000 km or 2-4 years (depending on coolant type).
Timing Belt Or Chain:
The 4JA1 and 4JB1T engines typically use a timing chain, which generally does not have a replacement interval but requires inspection for wear/tension.
Engine Oil Specification:
API CF or CF-4, SAE 10W-30 or 15W-40 (diesel specific oil recommended; consult manual for exact viscosity and API service category).
Engine Oil Capacity:
Approx. 6.5 Liters (with filter for 4JA1/4JB1T, check manual for precise capacity).
Coolant Specification:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Green or OAT coolant type.
Transmission Fluid Manual:
API GL-4, SAE 75W-90 or 80W-90 gear oil.
Transmission Fluid Automatic:
Dexron III (or equivalent specification, e.g., Mercon).
Brake Fluid Specification:
DOT 3 or DOT 4.
Power Steering Fluid:
Dexron II or III (or equivalent specification).
Known Issues 1:
Glow plug issues leading to hard starting in cold weather.
Known Issues 2:
Turbocharger wear and oil leaks on 4JB1T models, particularly with high mileage.
Known Issues 3:
Diesel injection pump (VE pump) calibration and seal issues can affect fuel delivery.
Known Issues 4:
Corrosion in body panels and chassis components, especially in areas with harsh weather or road salt.
Known Issues 5:
Suspension wear (bushings, ball joints, shocks) due to the vehicle's utility and potential for heavy loads.
Brand Heritage:
Isuzu has a long history in commercial vehicles and diesel engine technology, known for robust and reliable powertrains. The Rodeo nameplate has been a cornerstone of their light truck offerings globally.
Model Evolution:
The TF Rodeo replaced the KB series and was produced from the early 1990s to the early 2000s. It featured updated styling, improved chassis dynamics, and more powerful engine options, including the turbocharged 4JB1T.
Production Years:
TF Series: Approximately 1991-2002 (exact years vary by market and facelift).
Manufacturing Locations:
Primarily Japan (Isuzu), but also assembled or manufactured in other regions through joint ventures and licensing agreements (e.g., Australia by Holden).
