🏷️ Basic Information

Make:

Isuzu

Model:

Trooper, Rodeo, Amigo, Vehicross, Aziom

Relevant Years:

1999-2002

Platform Codes Trooper:

UB Series (1998-2002)

Platform Codes Rodeo:

UBS (1998-2004)

Platform Codes Amigo:

UC (1998-2000)

Platform Codes Vehicross:

UCS (1999-2001)

Platform Codes Aziom:

UCF20 Series (Japan-market, related to Amigo/Rodeo)

👋 Introduction

Segment:

Mid-size to full-size SUVs and off-road oriented vehicles.

Target Audience:

Isuzu owners, DIY mechanics, professional repair shops specializing in Japanese vehicles.

Competitors:

Jeep Cherokee/Grand Cherokee, Toyota 4Runner, Nissan Pathfinder, Ford Explorer, Mitsubishi Montero, Chevrolet Blazer/Trailblazer.

Value Proposition:

Provides extensive technical data and repair procedures crucial for maintaining and repairing a diverse range of Isuzu SUVs from the late 1990s and early 2000s, enabling cost-effective ownership and reliable operation.

Manual Benefit:

Empowers owners and technicians with the necessary knowledge to perform diagnostics, maintenance, and repairs accurately, saving time and money on dealership services.

📋 Manual Details

Covered Models:

1999 Isuzu Trooper, Rodeo, Amigo, Vehicross; 2000 Isuzu Trooper, Rodeo, Amigo, Vehicross; 2001 Isuzu Rodeo, Rodeo Sport; 2002 Isuzu Aziom, Trooper, Rodeo, Rodeo Sport

Total Pages:

23403

Type:

Comprehensive Service and Repair Manual

Language:

English

File Format:

PDF (Adobe Acrobat)

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system, engine management (ECU, sensors), transmission (automatic and manual), transfer case, driveline (axles, driveshafts, differentials).

Chassis:

Suspension systems (front and rear, independent/solid axle variations), steering system, braking system (ABS included), wheel and tire specifications, chassis lubrication.

Electrical:

Battery, charging system, starting system, lighting system, instrumentation, wipers and washers, power windows and locks, climate control (HVAC), audio systems, security systems, airbags, body control modules (BCM), powertrain control modules (PCM), chassis control modules (CCM).

Body:

Body construction, exterior panels, interior trim, doors, windows, seats, body hardware, paint and corrosion protection, HVAC system components, safety restraints.

Maintenance:

Scheduled maintenance intervals, fluid checks and changes (oil, coolant, brake fluid, transmission fluid, power steering fluid, differential fluid), filter replacements (oil, air, fuel), lubrication points, spark plug replacement, belt inspections and replacement.

Diagnostics:

Troubleshooting guides based on symptoms, diagnostic trouble codes (DTCs) and their interpretation, testing procedures for sensors and actuators, electrical circuit testing, fuel system pressure testing, ignition system testing.

Repair Rebuild:

Engine disassembly and reassembly, cylinder head service, piston and connecting rod installation, crankshaft and bearing replacement, transmission overhaul, brake caliper and rotor replacement, suspension component replacement, steering rack overhaul, HVAC component replacement, body panel repair and replacement.

Technical Data:

Torque specifications for all fasteners, engine timing specifications, valve clearance adjustments, wheel alignment specifications, fluid capacities, component specifications, wiring diagrams, vacuum diagrams.

Depth:

Comprehensive coverage from basic routine maintenance and troubleshooting to full vehicle teardown and component-level rebuilds. Includes detailed diagnostic procedures and repair instructions for all major systems.

📊 Manual Specifications

File Type:

Digital Adobe PDF

Printability:

Fully printable for individual page or section printing. High-resolution images and diagrams.

Binding:

Digital download (not a physical book), allowing for custom printing and binding by the user.

Paper Recommendation:

Recommended for printing on durable, high-quality paper for workshop use.

Operating Systems:

Windows and Mac compatible

Searchability:

Searchable text within the PDF document for quick access to specific information.

⚙️ Engine Specifications

Engine Code 3.5L:

3.5L V6 (3475cc) DOHC V6

Engine Name 3.5L:

Isuzu VGS (3.5)

Bore Stroke 3.5L:

95.0 mm x 81.0 mm

Compression Ratio 3.5L:

9.0:1

Horsepower 3.5L:

Approx. 215-230 hp @ 5400-6000 rpm (model dependent)

Torque 3.5L:

Approx. 230-240 lb-ft @ 3000-3500 rpm (model dependent)

Engine Code 3.2L:

3.2L V6 (3165cc) DOHC V6

Engine Name 3.2L:

Isuzu VGS (3.2)

Bore Stroke 3.2L:

92.6 mm x 77.0 mm

Compression Ratio 3.2L:

9.0:1

Horsepower 3.2L:

Approx. 205 hp @ 6000 rpm

Torque 3.2L:

Approx. 200 lb-ft @ 3000 rpm

Engine Code 2.2L:

2.2L L4 DOHC

Engine Name 2.2L:

Isuzu G1 (2.2i)

Horsepower 2.2L:

Approx. 126-130 hp

Torque 2.2L:

Approx. 135-140 lb-ft

Fuel Delivery:

Electronic Fuel Injection (EFI) - Multi-port Fuel Injection (MPFI) for V6, Sequential Multi-point Fuel Injection (SMPI) for newer engines.

Ignition Type:

Distributorless Ignition System (DIS) with coil-on-plug (COP) or coil packs depending on model year and engine.

Emission Controls:

Catalytic converter, EGR valve, Oxygen sensors (O2S), Secondary air injection system (where applicable).

🔧 Transmission

Transmission Type Trooper 3.5L:

4-Speed Automatic Transmission (4L30-E)

Transmission Type Rodeo Amigo 3.2L:

5-Speed Manual Transmission (MUA5) or 4-Speed Automatic Transmission (4L30-E)

Transmission Type Rodeo Amigo 2.2L:

5-Speed Manual Transmission (MUA5) or 4-Speed Automatic Transmission (4L30-E)

Transfer Case:

Part-time 4WD system with a 2-speed transfer case (e.g., NP231/NP233 type variations) or optional Full-time 4WD (4-Mode 4WD on some Trooper models).

Axle Ratios:

Typically 4.10:1 or 4.30:1, depending on model, engine, and tire size.

📐 Dimensions

Length:

Approx. 192.5 inches (4890 mm)

Width:

Approx. 73.4 inches (1865 mm)

Height:

Approx. 71.7 inches (1820 mm)

Length:

Approx. 184.1 inches (4675 mm)

Width:

Approx. 71.7 inches (1820 mm)

Height:

Approx. 66.5 inches (1690 mm)

Curb Weight Trooper:

Approx. 4400-4700 lbs (2000-2130 kg), depending on configuration.

Curb Weight Rodeo:

Approx. 3800-4200 lbs (1725-1905 kg), depending on configuration.

Towing Capacity:

Typically 5,000 - 6,000 lbs (2268 - 2722 kg).

🛡️ Safety Features

NHTSA Driver Side Impact:

Good to Acceptable ratings in frontal and side impact tests (varies by year and specific crash test).

ABS:

Anti-lock Braking System (ABS) standard on most models/trims.

Traction Control:

Traction Control System (TCS) available on some models.

Airbags:

Driver and front passenger airbags standard. Side airbags available on some higher trims/later models.

Seat Belts:

Three-point seat belts for all occupants, pre-tensioners for front seats.

💡 Technology Features

Audio System:

Factory-installed AM/FM stereo with CD player and cassette deck. Optional premium audio systems available on higher trims.

Navigation:

Optional factory navigation systems available on select higher-trim models (early generation GPS units).

Cruise Control:

Electronic cruise control system standard on most models.

Rear View Mirror:

Auto-dimming rearview mirror with compass available on some models.

Auxiliary Inputs:

Limited. Factory systems typically lack USB or Bluetooth connectivity; aftermarket solutions are common.

🔧 Maintenance

Engine Oil Change Interval:

Every 3,000-5,000 miles (4,800-8,000 km) or every 6 months, depending on driving conditions and oil type used (consult manual for specific recommendations).

Air Filter Replacement Interval:

Every 15,000-30,000 miles (24,000-48,000 km), or as needed based on inspection.

Cabin Air Filter Replacement Interval:

Every 15,000 miles (24,000 km) or annually, if equipped.

Transmission Fluid Change Interval:

Every 30,000-60,000 miles (48,000-96,000 km), or as per severe service schedule.

Coolant Change Interval:

Every 30,000-50,000 miles (48,000-80,000 km) or every 2-3 years, depending on coolant type.

Engine Oil Viscosity V6:

SAE 5W-30 or 5W-40 (API SG or higher), or 10W-30 for lower temperatures (consult manual).

Transmission Fluid Type 4L30-E:

Dexron III/Mercon ATF.

Transfer Case Fluid:

API GL-4 or GL-5 gear oil, SAE 75W-90 or 80W-90.

Differential Fluid:

API GL-5 gear oil, SAE 80W-90 or 75W-140 for limited-slip differentials if equipped.

Head Gaskets:

Some V6 engines (particularly early 3.2L) may be prone to head gasket failures due to torque or material issues. Regular coolant level checks and preventative maintenance are advised.

Crankshaft Position Sensor:

Failure of the crankshaft position sensor can lead to intermittent starting or stalling issues.

Transmission Cooling Lines:

Corrosion or leaks in the automatic transmission cooler lines can lead to fluid loss and transmission damage.

Window Regulators Motors:

Power window regulators and motors can wear out over time, leading to slow or inoperative windows.

Evaporative Emissions Control System:

Issues with the EVAP system, such as faulty vent solenoids or purge valves, can trigger 'Check Engine' lights.

📚 Vehicle History

Isuzu Offroad Legacy:

Isuzu has a long history of producing rugged, off-road capable vehicles, including the iconic Land Cruiser competitor, the Trooper, and military vehicles.

Third Generation Trooper:

The 1992-2002 Trooper (UBS) introduced significant updates, including more powerful V6 engines, a more refined interior, and improved suspension, making it a more mainstream SUV.

Second Generation Rodeo:

The 1998-2004 Rodeo featured a body-on-frame design derived from the Isuzu Faster pickup, offering robust construction and available V6 power, competing in the growing mid-size SUV market.

Amigo Positioning:

The Amigo (also sold as Rodeo Sport in some markets) was a smaller, more lifestyle-oriented SUV, often with a removable roof or convertible top option.

Vehicross Uniqueness:

The Vehicross was a niche, sporty three-door SUV known for its distinctive styling, advanced electronic torque-split all-wheel-drive system (I-240/I-4WD), and powerful V6 engine.

Manufacturing Location:

Primarily manufactured by Isuzu in Japan and also assembled by General Motors affiliates in other countries.

🏆 Awards & Recognition

Four Wheeler Magazine Offroad Awards:

Isuzu vehicles, particularly the Trooper and Rodeo, were frequently recognized for their off-road capabilities by automotive publications like Four Wheeler Magazine during this era.

Consumer Reports Reliability:

Reliability ratings varied by model and year, with some models receiving average to above-average ratings, while others faced specific recurring issues (as noted in 'known_issues'). The manual helps address these.

Emissions Compliance:

Vehicles are designed to meet EPA and California Air Resources Board (CARB) emissions standards for their respective model years. The manual provides diagnostic and repair procedures for these systems.