Description
Factory Holden Jackaroo Workshop Manual (1991-2006)
This is the factory-level repair reference for the Holden Jackaroo UBS series – the rugged Australian-market SUV based on the Isuzu Trooper platform – covering every model year from 1991 through 2006 with full wiring diagrams and torque specifications.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 3.2L 6VD1 V6, 3.5L 6VE1 V6 |
| Diesel | 3.0L 4JX1, 3.1L 4JG2, 3.1L 4JG2 Turbo |
| Transmissions | 4-speed automatic, 5-speed manual |
| Drive | 4WD (part-time and full-time variants) |
| Model Years | 1991-2006 |
| Badge Twins | Isuzu Trooper, Isuzu Bighorn, Vauxhall/Opel Monterey, Acura SLX |
Common Jackaroo Repairs Covered
| System | Procedures |
|---|---|
| Front Differential & Transfer Case | Seal replacement, bearing wear inspection, fluid service – a frequent maintenance item on high-mileage UBS units |
| 4JX1 Diesel Timing Chain | Chain tensioner replacement, timing procedure, rattle diagnosis on the 3.0L common-rail diesel |
| Cooling System | Thermostat replacement, radiator flush, water pump overhaul – 6VD1/6VE1 overheating troubleshooting |
| Suspension & Steering | Front track rod end and ball joint replacement, shock absorber R&R, steering rack adjustment |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the 4JX1 common-rail diesel fully covered, including the known timing chain issues?
Yes. The manual includes complete disassembly and reassembly procedures for the 3.0L 4JX1 engine, with specific attention to the timing chain tensioner – a known weak point on this engine. Step-by-step rattle diagnosis, tensioner replacement torque specs, and chain stretch measurement procedures are all included.
Does this manual cover the Isuzu Trooper and Monterey badge twins?
Because the Holden Jackaroo is mechanically identical to the Isuzu Trooper (UBS series), the technical content applies directly to the Trooper, Isuzu Bighorn, Vauxhall/Opel Monterey, and the North American Acura SLX. Engine codes, chassis dimensions, and component part numbers are shared across all these variants.
Are wiring diagrams included for the engine management and ABS systems?
Full electrical coverage is included, encompassing engine management circuits, ABS, charging and starting systems, lighting, HVAC controls, power windows, and central locking. Each diagram identifies wire colors, connector pin-outs, and ground locations for accurate fault tracing.
What format is the manual?
The manual is a PDF file delivered via instant download. It is fully searchable, zoomable for detailed illustrations, and compatible with Windows, Mac, Linux, iOS, and Android devices. Individual pages can be printed for bench use, and the file can be saved and re-downloaded at any time.
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