Quick Lookups: Fluids

1989 Jeep Wrangler Base, 4.2 T, Standard, BA10/5SECTION Fluids
FLUID CAPACITIES
Fluid Type Application Standard Metric Fluid Spec Note S/H
Air Cond Refrigerant 2.00 LBS. 0.9 KG R-12 S
Automatic Transmission Fluid 4.2L Eng 8.00 QTS. 7.57 L Automatic Transmission Fluid DEXRON II S
Brake Fluid N/A N/A DOT 3 Brake Fluid S
Differential Gear Oil 4.2L Eng 2.50 PTS. 1.18 L AMC/JEEP/RENAULT Gear Oil or equivalent; API - GL-5, SAE 75W-90. Models w/Trailer Towing Pkg. or limited slip diff. use API - GL-5, SAE 80W-140 S
Differential Gear Oil 4.2L Eng Rear 2.50 PTS. 1.18 L AMC/JEEP/RENAULT Gear Oil or equivalent; API - GL-5, SAE 75W-90. Models w/Trailer Towing Pkg. or limited slip diff. use API - GL-5, SAE 80W-140 S
Engine Coolant 4.2L Eng 10.50 QTS. 9.93 L 50/50 mixture of AMC/JEEP/RENAULT All Season Coolant and distilled water Includes: 1 qt. in the engine coolant recovery tank. S
Engine Oil 4.2L Eng 6.00 QTS. 5.67 L API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) S
Fuel Tank 4.2L Eng 15.00 GALS. 56.78 L Optional: 20.2 gals. S
Manual Transmission Fluid 4.2L Eng N/A N/A AMC/JEEP/RENAULT Gear Oil or equivalent; API - GL-5, SAE 75W-90 S
Power Steering Fluid N/A N/A AMC/JEEP/RENAULT Power Steering Fluid S
Transfer Case Fluid 4.2L Eng N/A N/A AMC/JEEP/RENAULT Automatic Transmission Fluid or equivalent ATF DEXRON II S
Windshield Washer Fluid N/A N/A All Weather Windshield Washer Fluid Add to "full" mark. S
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.