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1992 Isuzu Trooper

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1992 Trooper.

Body SUVTransmission Automatic 4-spd

The 1992 Isuzu Trooper, an SUV, pairs an automatic four‑speed transmission with EPA‑rated 14 city/17 highway/15 combined mpg. Its power‑train carries a modest 2‑recall record and a total of 29 owner complaints, most of which focus on the engine and engine‑cooling area. Within the model’s two‑decade complaint history, the 1992 version sits near the lower end of reported issues, reflecting a relatively stable early‑model reliability compared with later peaks of 81 complaints in 1999 and the 12 complaints recorded in 2002.

Model year2002 2001 1995 1994 1993 1992 1991 1990 1989

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

EPA fuel economy14/17/15 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length	179.1 in
Overall width	68.9 in
Overall height	72.8 in
Wheelbase	108.7 in
Curb weight	4156 lb

Ratings & economy EPA / vPIC

EPA city / highway / combined	14 / 17 / 15 mpg
Drivetrain	4-Wheel or All-Wheel Drive
Recommended fuel	Regular Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine GL-5 in the differential, GM Part No. 12377967 brake fluid.

Lubricants & capacities

Brake Fluid	GM Part No. 12377967
Differential Gear Oil	GL-5
Differential Gear Oil Capacity	3.2 Pints,
Engine Coolant	ETHYLENE GLYCOL
Power Steering Fluid	ATF
Transfer Case Fluid	5W-30
Transfer Case Fluid Capacity	3.2 Pints

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter at 7,500 mi; spark plugs every 30,000 mi.

At 7,500 mi	Driveshaft Flange Yoke (torque) · Engine Oil Filter (replace) · Universal Vehicle Operation (inspect idle speed)
Every 7,500 mi	Body Latches, Locks & Hinges (inspect) · Brake Hydraulic System (inspect fluid level) · Brake Line (inspect) · CV Joint Boot (inspect) · Clutch Assembly (inspect) · Clutch Pedal Bushing (lubricate)
At 15,000 mi	Drive Axle Assembly (drain & refill) · Transfer Case Assembly (drain & refill) · Transmission Assembly (drain & refill)
Every 15,000 mi	Brake Linings (inspect) · Brake Pedal Assembly (inspect) · Clutch Pedal Assembly (inspect) · Cruise Control System (inspect) · Driveshaft Flange Yoke (torque) · Engine Oil Filter (replace)
Every 30,000 mi	Accessory Drive Belt (inspect) · Clutch Hydraulic Line (inspect) · Drive Axle Assembly (drain & refill) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Spark Plugs (replace)
At 60,000 mi	Drive Axle Assembly (drain & refill) · Transfer Case Assembly (drain & refill) · Transmission Assembly (drain & refill)
Every 60,000 mi	Air Conditioning Condenser (inspect) · Fuel Line (inspect) · Fuel Tank (inspect) · Fuel Tank Filler Cap (inspect) · Radiator (inspect) · Timing Belt (replace)
Every 90,000 mi	Oxygen Sensor (replace)
At 120,000 mi	Universal Vehicle Operation (inspect idle speed)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 1992 Isuzu Trooper sits near the bottom of the complaint trend for its generation, with 29 complaints and only 2 recalls, a notable drop from the 61 complaints and 3 recalls seen in 1991. While complaints climb again to 40 in 1993, the recall count remains low at 2, indicating that the few issues reported were largely addressed without widespread safety actions. The 1992 model’s top complaint categories—Engine & Engine Cooling (7), Service Brakes, Hydraulic (5), Suspension (4), and Steering (3)—are typical of the era and the recall data does not specify a root cause, suggesting isolated component failures rather than systemic design flaws. Compared to the subsequent year, 1993, which saw a moderate increase in complaints but no additional recalls, 1992 appears relatively stable. Overall, the low recall frequency and modest complaint volume imply that a 1992 Trooper is a reasonable option, provided a thorough mechanical inspection confirms the engine, brakes, suspension, and steering components are in sound condition.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

Owner complaints

4 involved a crash · 3 a fire

Owner complaints by model year NHTSA · this generation & adjacent

’90 ’91’92’93 ’94 ’95 ’96 ’97 ’98 ’99 ’00 ’01 ’02

Owner complaints filed with NHTSA, by component

All 29 complaints on record, top 8 components.

Engine & Engine Cooling7

Service Brakes, Hydraulic5

Suspension4

Steering3

Power Train3

Vehicle Speed Control2

Seat Belts2

Electrical System1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

04V199000Vehicle Speed Control:CablesReported 22/04/2004

ON CERTAIN SPORT UTILITY VEHICLES, THE ACCELERATOR CABLE CAN STICK SO THAT THE ENGINE SPEED WILL NOT IMMEDIATELY DECREASE UPON RELEASE OF THE ACCELERATOR PEDAL. Remedy: DEALERS WILL REPLACE THE THROTTLE CABLE RUBBER BOOT. OWNER NOTIFICATION BEGAN ON MAY 24, 2004. OWNERS SHOULD CONTACT ISUZU AT 1-800-255-6727.

94V132000Engine And Engine Cooling:EngineReported 19/07/1994

CONSTANT EXPANSION AND CONTRACTION OF THE CYLINDER HEAD CAUSES THE CAMSHAFT SEAL END PLUG CAN BECOME DISLODGED FROM THE CYLINDER HEAD. THIS ALLOWS OIL TO LEAK FROM THE CAMSHAFT. Remedy: DEALERS WILL INSTALL CAMSHAFT END SEAL PLUG RETAINER PLATES.

Technical service bulletins NHTSA · verified

Showing 5 of 7 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
IB13-R-001G	2023-05-08	Unknown Or Other	This bulletin outlines the procedures for using the Alpine Exchange Program (the…
WB08-X-001I	2023-05-03	Equipment	This bulletin provides instructions with regard to the Isuzu Commercial Vehicle (CV)…
WB13-X-001B	2022-08-30	Equipment	Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural…
WB13-X-001A	2022-08-02	Equipment	Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural…
SB0012S002	2000-03-01	Equipment	THIS TECHNICAL SERVICE BULLETIN OUTLINES THE DETAILED PROCEDURES FOR THE AIR CONDITIONING…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420

Catalyst system efficiency below threshold — Bank 1

P0300

Random / multiple cylinder misfire detected

P0171

System too lean — Bank 1

P0455

Evaporative emission system leak detected — large leak

P0128

Coolant thermostat below regulating temperature

P0442

Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific Trooper. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBs OBD-II trouble codes Maintenance schedules Fluid capacities & specs

Frequently asked

Does the 1992 Trooper have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Trooper get?

EPA figures are 14 city / 17 highway / 15 combined mpg.