The 1987 Isuzu Trooper is a rugged 4-wheel drive sport utility vehicle featuring a 2.3L 4-cylinder gasoline engine, 5-speed manual transmission, part-time 4WD system, power-assisted brakes, and versatile cargo capacity. Below are essential sections covering operation, maintenance, specifications, and troubleshooting for proper vehicle care and optimal performance.
Key components: 2.3L 4-cylinder engine, 5-speed manual transmission, part-time 4WD system, power steering, front disc/rear drum brakes.
| Component | Description |
|---|---|
| Engine | 2.3L 4-cylinder gasoline, carbureted |
| Transmission | 5-speed manual with overdrive |
| 4WD System | Part-time with manual locking hubs |
| Brakes | Front disc, rear drum with power assist |
| Fuel System | Carburetor, 18.5 gallon fuel tank |
| Suspension | Independent front, leaf spring rear |
| Cargo Capacity | 35.7 cubic feet (rear seats folded) |
| Towing Capacity | 2,000 lbs maximum |
| Seating | 5-passenger capacity |
| Ground Clearance | 8.1 inches |
Main gauges and controls located on dashboard.
WARNING! Address warning lights immediately; do not operate vehicle with red warning lights illuminated.
Proper starting procedure and driving techniques.
CAUTION! Always depress clutch when starting; do not ride clutch during normal driving.
WARNING! Do not use 4WD on dry pavement; can damage drivetrain.
Scheduled maintenance intervals for optimal performance.
| Service | Interval | Procedure |
|---|---|---|
| Oil Change | 3,000 miles | Replace oil filter, 5W-30 oil |
| Air Filter | 15,000 miles | Inspect and replace if dirty |
| Spark Plugs | 30,000 miles | Replace with specified type |
| Coolant | 30,000 miles | Drain and refill with 50/50 mix |
| Brake Fluid | 30,000 miles | Inspect level and condition |
| Transmission Oil | 30,000 miles | Check level, change if contaminated |
| Transfer Case Oil | 30,000 miles | Inspect and top up as needed |
Recommended fluids and capacities.
Tire specifications and maintenance.
CAUTION! Maintain proper tire pressure; underinflation causes poor handling and reduced fuel economy.
Handling common emergency situations.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Hard starting | Weak battery, fuel issue | Check battery, fuel pump, carburetor |
| Poor acceleration | Clutch slip, fuel filter | Inspect clutch, replace fuel filter |
| 4WD won't engage | Hubs not locked, linkage | Lock manual hubs, check shift linkage |
| Overheating | Low coolant, thermostat | Check coolant level, replace thermostat |
| Brake vibration | Warped rotors, worn pads | Inspect brakes, resurface or replace |
| Transmission noise | Low oil, worn bearings | Check oil level, inspect for wear |
Service: Contact authorized Isuzu dealer for major repairs. Keep maintenance records for warranty claims.