Jeep Grand Wagoneer
Maintenance specs for 3 variants of the Jeep Grand Wagoneer — from 1985 to 2026.
1985–1991 Jeep Grand Wagoneer
5.9L V8 (AMC 360) · 4WD
175 hp / 280 lb-ft
Transmission
Type3-Speed Automatic (727)
FluidDexron III ATF
Drain & fill4 qt
Full capacity9.5 qt
Power Steering
TypeHydraulic
FluidATF Type F
Capacity32 oz
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
FluidATF+4
Fuel
Tank20.3 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service24,000 mi
Coolant flush24,000 mi
Brake fluid24,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter15,000 mi
Drive belt45,000 mi
2022–2026 Jeep Grand Wagoneer
6.4L V8 HEMI (Apache) · 4WD
471 hp / 455 lb-ft
Transmission
Type8-Speed Automatic (8HP75)
FluidATF+4
Drain & fill5 qt
Full capacity9.5 qt
Power Steering
TypeElectric (no fluid)
Differentials
Front fluid75W-85 GL-5
Rear fluid75W-85 GL-5
Transfer Case
FluidATF+4
Fuel
Tank22 gal
TypePremium 91
Service Intervals
Oil change10,000 mi
Trans service60,000 mi
Coolant flush100,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter20,000 mi
Drive belt100,000 mi
2024–2026 Jeep Grand Wagoneer
3.0L Hurricane I6 Twin Turbo (GME-T6) · 4WD
510 hp / 500 lb-ft
Transmission
Type8-Speed Automatic (8HP75)
FluidATF+4
Drain & fill5 qt
Full capacity9.5 qt
Power Steering
TypeElectric (no fluid)
Differentials
Front fluid75W-85 GL-5
Rear fluid75W-85 GL-5
Transfer Case
FluidATF+4
Fuel
Tank22 gal
TypePremium 91
Service Intervals
Oil change10,000 mi
Trans service60,000 mi
Coolant flush100,000 mi
Brake fluid30,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter20,000 mi
Drive belt100,000 mi