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Jeep CJ-7

Maintenance specs for 2 variants of the Jeep CJ-7 — from 1985 to 1986.

19851986 Jeep CJ-7

2.5L I4 (AMC 150) · 4WD

105 hp / 132 lb-ft

Engine Oil

Weight10W-30
Capacity4 qt

Transmission

Type5-Speed Manual (T-5)
Fluid75W-90 GL-3
Drain & fill3.5 qt
Full capacity3.5 qt

Coolant

TypeGreen (Ethylene Glycol)
Capacity9 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

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

Tires

SizeP215/75R15
Pressure (front)26 PSI
Pressure (rear)26 PSI
Shop P215/75R15 tires

Battery

Group size58
CCA500 A
Shop group 58 battery

Spark Plugs

Gap0.035 in
Shop spark plugs

Wiper Blades

Driver15"
Passenger15"
Shop wiper blades

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

19851986 Jeep CJ-7

4.2L I6 (AMC 258) · 4WD

112 hp / 210 lb-ft

Engine Oil

Weight10W-30
Capacity5 qt

Transmission

Type5-Speed Manual (T-5)
Fluid75W-90 GL-3
Drain & fill3.5 qt
Full capacity3.5 qt

Coolant

TypeGreen (Ethylene Glycol)
Capacity10.5 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

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

Tires

SizeP225/75R15
Pressure (front)26 PSI
Pressure (rear)26 PSI
Shop P225/75R15 tires

Battery

Group size58
CCA500 A
Shop group 58 battery

Spark Plugs

Gap0.035 in
Shop spark plugs

Wiper Blades

Driver15"
Passenger15"
Shop wiper blades

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