Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1986 Jeep Comanche Base, 2.8 W, 4WD, StandardFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | N/A | N/A | R-12 | For further details see "Air conditioner specification label". | S | ||
| Automatic Transmission Fluid | 2.8L Eng | 4.00 QTS. | 3.78 L | Automatic Transmission Fluid DEXRON | S | ||
| Brake Fluid | N/A | N/A | DOT 3 Brake Fluid | S | |||
| Differential Gear Oil | 2.8L Eng | N/A | N/A | API - GL-5, SAE 75W-90 | S | ||
| Differential Gear Oil | 2.8L Eng | Rear | N/A | N/A | API - GL-5, SAE 75W-90 | S | |
| Engine Coolant | 2.8L Eng | 12.00 QTS. | 11.35 L | 50/50 mixture of Ethylene Glycol Base Antifreeze and water | S | ||
| Engine Oil | 2.8L Eng | 4.00 QTS. | 3.78 L | API - SF, SAE 5W-30 (Below 60Deg.F), 10W-30 or 10W-40 (Above 0Deg.F), 20W-40 or 20W-50 (Above 30Deg.F) | S | ||
| Fuel Tank | 2.8L Eng | 16.00 GALS. | 60.56 L | Optional: 20.2 gals. | S | ||
| Manual Transmission Fluid | 2.8L Eng | N/A | N/A | API- GL-5, SAE 75W-90 | S | ||
| Power Steering Fluid | N/A | N/A | AMC/JEEP/RENAULT Power Steering Fluid | S | |||
| Transfer Case Fluid | N/A | N/A | Automatic Transmission Fluid DEXRON II | S | |||
| Windshield Washer Fluid | N/A | N/A | All Weather Windshield Washer Fluid | Add to "full" mark. | S | ||
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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