Skip to content

Jeep Comanche

Maintenance specs for 3 variants of the Jeep Comanche — from 1986 to 1992.

19861992 Jeep Comanche

2.5L I4 (AMC 150) · 4WD

117 hp / 135 lb-ft

Engine Oil

Weight10W-30
Capacity4 qt

Transmission

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

Coolant

TypeGreen (Ethylene Glycol)
Capacity9 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidATF+4
Capacity32 oz

Differentials

Front fluid75W-90 GL-5
Rear fluid75W-90 GL-5

Transfer Case

FluidATF+4

Fuel

Tank20.2 gal
TypeRegular 87

Tires

SizeP215/75R15
Pressure (front)33 PSI
Pressure (rear)33 PSI
Shop P215/75R15 tires

Battery

Group size65
CCA500 A
Shop group 65 battery

Spark Plugs

Gap0.035 in
Shop spark plugs

Wiper Blades

Driver18"
Passenger18"
Shop wiper blades

Service Intervals

Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi

19861992 Jeep Comanche

4.0L I6 (AMC 242) · 4WD

177 hp / 224 lb-ft

Engine Oil

Weight10W-30
Capacity6 qt

Transmission

Type4-Speed Automatic (AW4)
FluidDexron III ATF
Drain & fill4 qt
Full capacity8 qt

Coolant

TypeGreen (Ethylene Glycol)
Capacity10 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidATF+4
Capacity32 oz

Differentials

Front fluid75W-90 GL-5
Rear fluid75W-90 GL-5

Transfer Case

FluidATF+4

Fuel

Tank20.2 gal
TypeRegular 87

Tires

SizeP215/75R15
Pressure (front)33 PSI
Pressure (rear)33 PSI
Shop P215/75R15 tires

Battery

Group size65
CCA600 A
Shop group 65 battery

Spark Plugs

Gap0.035 in
Shop spark plugs

Wiper Blades

Driver18"
Passenger18"
Shop wiper blades

Service Intervals

Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi

19861992 Jeep Comanche

4.0L I6 (AMC 242) · RWD

177 hp / 224 lb-ft

Engine Oil

Weight10W-30
Capacity6 qt

Transmission

Type4-Speed Automatic (AW4)
FluidDexron III ATF
Drain & fill4 qt
Full capacity8 qt

Coolant

TypeGreen (Ethylene Glycol)
Capacity10 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidATF+4
Capacity32 oz

Differentials

Rear fluid75W-90 GL-5

Fuel

Tank20.2 gal
TypeRegular 87

Tires

SizeP215/75R15
Pressure (front)33 PSI
Pressure (rear)33 PSI
Shop P215/75R15 tires

Battery

Group size65
CCA600 A
Shop group 65 battery

Spark Plugs

Gap0.035 in
Shop spark plugs

Wiper Blades

Driver18"
Passenger18"
Shop wiper blades

Service Intervals

Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi