Jeep 2004 Wrangler - Manual (Page 260)

Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission Mopar
௡ ATF+4 Automatic Transmission Fluid.
Manual Transmission Mopar
௡ Manual Transmission Lubricant or equivalent.
Transfer Case Mopar
௡ ATF+4 Automatic Transmission Fluid.
Axle Differential (front-rear) Mopar
௡ Hypoid Gear Lubricant (SAE 80W-90) (API GL5) or equivalent. For
trailer towing, use a SAE 75W-140 Synthetic Gear Lubricant. Models
equipped with Trac-Lok require an additive.
Brake Master Cylinder Mopar
௡ DOT 3, SAE J1703 should be used. If DOT 3, SAE J1703 brake fluid
is not available, then DOT 4 is acceptable. Use only recommended brake flu-
ids.
Power Steering Reservoir Mopar ௡ ATF+4 Automatic Transmission Fluid.
Steering Gear & Linkage, Ball
Joints, Prop Shafts & Yokes, Wheel
Bearings Mopar
௡ Multi-Purpose Lubricant NLGI Grade 2 EP, GC-LB
260 MAINTAINING YOUR VEHICLE