Jeep CJ-7
Maintenance specs for 2 variants of the Jeep CJ-7 — from 1985 to 1986.
1985–1986 Jeep CJ-7
2.5L I4 (AMC 150) · 4WD
105 hp / 132 lb-ft
Transmission
Type5-Speed Manual (T-5)
Fluid75W-90 GL-3
Drain & fill3.5 qt
Full capacity3.5 qt
Power Steering
TypeHydraulic
FluidATF Type F
Capacity32 oz
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
Fluid80W-90 GL-5
Fuel
Tank15 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush24,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter15,000 mi
Drive belt45,000 mi
1985–1986 Jeep CJ-7
4.2L I6 (AMC 258) · 4WD
112 hp / 210 lb-ft
Transmission
Type5-Speed Manual (T-5)
Fluid75W-90 GL-3
Drain & fill3.5 qt
Full capacity3.5 qt
Power Steering
TypeHydraulic
FluidATF Type F
Capacity32 oz
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
Fluid80W-90 GL-5
Fuel
Tank15 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush24,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter15,000 mi
Drive belt45,000 mi