Isuzu Trooper
Maintenance specs for 3 variants of the Isuzu Trooper — from 1985 to 2002.
1985–1991 Isuzu Trooper
2.6L I4 (4ZE1) · 4WD
120 hp / 150 lb-ft
Transmission
Type5-Speed Manual
Fluid75W-90 GL-4
Drain & fill2.5 qt
Full capacity2.5 qt
Power Steering
TypeHydraulic
FluidDexron III ATF
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
FluidATF Dexron III
Fuel
Tank22.5 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingbelt — replace at 60,000 mi
Air filter30,000 mi
Drive belt60,000 mi
1992–1997 Isuzu Trooper
3.2L V6 (6VD1) · 4WD
175 hp / 188 lb-ft
Transmission
Type4-Speed Automatic
FluidDexron III ATF
Drain & fill4 qt
Full capacity9.5 qt
Power Steering
TypeHydraulic
FluidDexron III ATF
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
FluidATF Dexron III
Fuel
Tank22.5 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingbelt — replace at 60,000 mi
Air filter30,000 mi
Drive belt60,000 mi
1998–2002 Isuzu Trooper
3.5L V6 (6VE1) · 4WD
215 hp / 230 lb-ft
Transmission
Type4-Speed Automatic
FluidDexron III ATF
Drain & fill4.5 qt
Full capacity10 qt
Power Steering
TypeHydraulic
FluidDexron III ATF
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
FluidATF Dexron III
Fuel
Tank22.5 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs60,000 mi
Timingbelt — replace at 60,000 mi
Air filter30,000 mi
Drive belt60,000 mi