🏷️ Basic Information

Make:

Isuzu

Model:

Trooper UX

Model Nickname:

Bighorn (Japan), Bighorn Trooper (certain markets)

Chassis Code:

UCS/UBS Series

👋 Introduction

Market Segment:

Mid-size SUV, often referred to as a 'lifestyle' or 'off-road capable' vehicle during its production era.

Competitive Landscape:

Competed with vehicles like the Toyota Land Cruiser Prado, Mitsubishi Pajero/Montero, Nissan Pathfinder, Jeep Cherokee (XJ/ZJ), Ford Explorer.

Off Road Capability:

Renowned for its robust chassis, strong 4WD system, and good ground clearance, making it a capable off-road performer.

Durability:

Known for its mechanical robustness and reliability, often favored for overland travel and demanding use.

Utility:

Offered significant cargo space and towing capacity, making it a practical choice for families and outdoor enthusiasts.

📋 Manual Details

Years Covered:

1993, 1994, 1995, 1996, 1997, 1998

Regions Covered:

Global (specific to UX designation, which implies export/international variants)

Estimated Page Count:

1500-2000+ pages (typical for comprehensive factory manuals)

Manual Type:

Factory Service Repair Workshop Manual

Language:

English

Format:

PDF (Downloadable)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, timing system, lubrication, cooling system, intake and exhaust manifolds.

Engine Management:

Fuel injection system (EFI), ignition system, emissions control, engine control unit (ECU) diagnostics, sensor and actuator testing.

Transmission Manual:

Manual transmission internal components, clutch, shift mechanisms, torque specifications, overhaul procedures.

Transmission Automatic:

Automatic transmission internal components, torque converter, valve body, gear sets, shift solenoids, hydraulic controls, overhaul procedures, fluid specifications.

Drivetrain:

Four-wheel drive system (part-time/full-time), transfer case, front and rear differentials, drive shafts, axles, hubs, U-joints.

Suspension:

Front suspension (independent, torsion bar or coil spring), rear suspension (solid axle, leaf spring or coil spring), shock absorbers, control arms, bushings, alignment specifications.

Steering:

Power steering system, steering gear, steering column, tie rods, power steering pump and fluid, steering linkage.

Brakes:

Front and rear brake systems (disc/drum configurations), ABS system (if equipped), brake fluid specifications, master cylinder, calipers, wheel cylinders, brake lines, parking brake.

Electrical System:

Battery, starting system, charging system (alternator), lighting (headlights, taillights, interior), fuses, relays, wiring diagrams, body control module (BCM).

Body And Interior:

Body panels, doors, windows, latches, hinges, interior trim, seating, dashboard, HVAC system (heating, ventilation, and air conditioning), body sealing.

Chassis:

Frame construction, body mounts, underbody components, exhaust system routing.

General Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement, air filter replacement.

Engine Repair:

Engine tune-ups, cylinder head gasket replacement, timing belt/chain service, piston and ring replacement, bearing replacement, oil pump service, complete engine overhauls.

Transmission Repair:

Transmission fluid and filter changes, clutch replacement, transmission removal and installation, internal transmission component repair and replacement, torque converter service.

Drivetrain Repair:

Transfer case fluid changes, differential fluid changes, axle seal replacement, U-joint replacement, CV joint service (if applicable).

Suspension And Steering Repair:

Shock absorber/strut replacement, ball joint replacement, tie rod end replacement, power steering pump replacement, steering gearbox adjustment/replacement, wheel alignment procedures.

Brake System Repair:

Brake pad and shoe replacement, rotor and drum resurfacing/replacement, brake fluid flush and bleeding, caliper and wheel cylinder replacement, ABS component testing and replacement.

Electrical Diagnostics:

Troubleshooting electrical faults using wiring diagrams, testing circuits, component testing, starter and alternator testing, battery diagnosis.

HVAC Service:

Refrigerant system service, component replacement (compressor, condenser, evaporator), blower motor replacement, heater core service.

Body And Trim Repair:

Body panel alignment, door and window regulator repair, interior panel removal and installation, trim piece replacement.

Troubleshooting Guides:

Systematic troubleshooting flowcharts for common and uncommon problems, diagnostic trouble codes (DTCs) and their meanings.

Diagnostic Capability:

In-depth diagnostic procedures for all major systems, including component testing, circuit tracing, and electronic control unit (ECU) diagnostics.

Repair Procedures:

Detailed step-by-step repair procedures for component removal, installation, overhaul, and adjustment, including specific torque specifications.

Specifications And Tolerances:

Comprehensive list of all critical specifications, measurements, and tolerances for engine, transmission, suspension, brakes, and body components.

Wiring Diagrams:

Complete and detailed electrical wiring diagrams for all vehicle systems, including component location and wire color codes.

Special Tools:

Identification and usage instructions for specialized tools required for specific repair and diagnostic procedures.

📊 Manual Specifications

File Format:

PDF

Searchable Text:

Yes (typically, if generated from factory digital sources)

Print Quality:

High resolution, suitable for printing individual pages or sections.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

License Type:

No expiry dates (as stated in product description)

⚙️ Engine Specifications

Engine Code Common:

C223T (Turbo Diesel), 4ZD1 (2.8L Petrol), 6VD1 (3.2L V6 Petrol)

Engine Displacement Petrol V6:

3.2 Liters (3165 cc)

Engine Configuration Petrol V6:

V6, SOHC (Single Overhead Camshaft), 24 Valves

Horsepower Petrol V6:

Approx. 175-180 hp @ 5200 rpm (depending on specific tuning and market)

Torque Petrol V6:

Approx. 200-210 lb-ft @ 3000-3500 rpm (depending on specific tuning and market)

Engine Displacement Diesel:

2.3 Liters (2259 cc) Turbocharged

Horsepower Diesel:

Approx. 90-96 hp @ 4000 rpm

Torque Diesel:

Approx. 135-140 lb-ft @ 2200 rpm

Fuel Type:

Unleaded Gasoline (for petrol engines), Diesel Fuel (for diesel engines)

Fuel Injection Type:

Multi-point Fuel Injection (MPFI) for petrol, Indirect Injection (IDI) or Direct Injection (DI) for diesel.

Fuel Pump Type:

Electric fuel pump

🔧 Transmission

Transmission Options:

Available with both 5-speed manual and 4-speed automatic transmissions.

Transmission Type Auto:

4-speed automatic transmission (e.g., RE4R01A or similar Isuzu/Jatco unit)

Drivetrain Configuration:

Part-time 4WD with manual or automatic locking hubs, or full-time 4WD with center differential depending on model/market.

Transfer Case:

Two-speed transfer case with neutral position for enhanced off-road capability.

📐 Dimensions

Wheelbase Short Wheelbase:

Approx. 2700 mm (106.3 inches) - depending on specific UX variant

Wheelbase Long Wheelbase:

Approx. 3030 mm (119.3 inches) - depending on specific UX variant

Length:

Varies by wheelbase, typically 4.6-4.9 meters.

Width:

Approx. 1.7-1.8 meters.

Height:

Approx. 1.7-1.8 meters.

Curb Weight:

Approx. 1800-2000 kg (depending on configuration and engine)

Gross Vehicle Weight Rating Gvw:

Typically around 2500-2700 kg.

🛡️ Safety Features

NHTSA Ratings:

Information may be limited for specific model years and regions; generally rated as a robust vehicle for its class.

ABS:

Anti-lock Braking System (ABS) was optional or standard on higher trims during this period.

Airbags:

Driver's side airbag became more common, optional on some models, passenger airbag less common for this generation.

Seatbelts:

Three-point seatbelts for front and rear occupants (where applicable), with pretensioners often on front seats.

Body Structure:

Body-on-frame construction providing structural integrity.

💡 Technology Features

Audio System:

Factory cassette or CD player with AM/FM radio, often with optional premium sound systems. Speaker locations vary by trim.

Navigation:

Factory navigation systems were not standard and very rare for this generation; aftermarket solutions were common.

Cruise Control:

Standard or optional on most trims.

Tow Hitch Prep:

Many models came pre-wired or with factory-installed tow hitch receivers.

Power Accessories:

Power windows, power door locks, power mirrors were common on mid-to-higher trims.

Climate Control:

Manual or automatic climate control systems, including air conditioning.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions and oil type.

Transmission Fluid Change:

Automatic: Every 30,000-60,000 miles (48,000-96,000 km) or as per manual. Manual: Inspect regularly, change if contaminated.

Transfer Case Fluid Change:

Every 30,000-50,000 miles (48,000-80,000 km).

Differential Fluid Change:

Every 30,000-50,000 miles (48,000-80,000 km).

Timing Belt Replacement:

For engines with timing belts (less common on V6, more on some 4-cyl), typically 60,000-90,000 miles (96,000-144,000 km).

Engine Oil Type Petrol:

API SG/SH or higher, SAE 10W-30 or 10W-40 recommended for most conditions.

Engine Oil Type Diesel:

API CF/CG-4 or higher, SAE 15W-40 recommended for most conditions.

Automatic Transmission Fluid Atf:

Dexron III or equivalent (e.g., JATCO 3324).

Manual Transmission Fluid:

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

Transfer Case Fluid:

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

Power Steering Fluid:

Dexron II/III or equivalent.

Brake Fluid:

DOT 3 or DOT 4.

Common Wear Items:

Suspension bushings, ball joints, tie rod ends, U-joints, exhaust components, ABS sensors, A/C system components.

Engine Diesel Specific:

Turbocharger wear, injector issues, glow plug failures in colder climates.

Engine Petrol Specific:

Potential for head gasket issues in high-mileage V6 engines if not properly maintained, occasional sensor failures.

Transmission Issues:

Automatic transmission solenoid failures, torque converter issues in high-mileage units. Manual clutch wear.

📚 Vehicle History

Isuzu Off Road Legacy:

Isuzu has a long history in off-road vehicles, dating back to military and utility vehicles like the 'Forward Control' trucks and the early Land Cruiser competitors.

Trooper Generations:

The 1993-1998 Trooper UX represents the second generation (Second Gen: 1991-2002), which was a significant redesign from the first generation.

Second Gen Key Changes:

Smoother styling, independent front torsion bar or coil spring suspension (depending on market/variant), more powerful engine options, increased interior comfort and features.

Production Period:

Isuzu Trooper production spanned from 1981 to 2002 globally.

Manufacturing Locations:

Primarily manufactured in Japan by Isuzu Motors Ltd., with some assembly in other global locations.

🏆 Awards & Recognition

Off Road Magazine Awards:

While specific awards for the UX variant are hard to pinpoint without deeper research, the Isuzu Trooper line generally received positive recognition in off-road and 4x4 enthusiast publications for its capability and durability.

Consumer Reports Ratings:

Consumer Reports historically rated the Isuzu Trooper with mixed reviews, often citing reliability concerns in later years but acknowledging its off-road prowess and ruggedness.

Iso Certification:

Vehicle manufacturing would have adhered to ISO 9000 standards for quality management systems.