Most modern Jeeps use ATF+4 power steering fluid, but the exact specification depends on your model and year. To avoid damage or leaks, always check the owner's manual or with a dealer for the precise fluid requirement.
Fluid type by era
Understanding the evolution of Jeep power steering fluid helps you identify the right product for your vehicle.
- Modern Jeeps (roughly 2007 and newer, including Wrangler JL/JK, Gladiator JT, and Grand Cherokee WK2) typically call for Mopar ATF+4 or an ATF+4-certified power steering fluid in the hydraulic system.
- Older Jeeps (pre-2007, and some specialized trims) may use Dexron II/III automatic transmission fluid or a dedicated power steering fluid. Always confirm with the manual or reservoir labeling.
In practice, most contemporary Jeep models rely on ATF+4 for the power steering system, while older models may have used Dexron II/III or a specific PS fluid. When in doubt, verify with the manual or a trusted service professional.
How to confirm the right fluid for your Jeep
Follow these steps to ensure you use the correct fluid and avoid potential damage.
- Consult the owner’s manual or the official Jeep service documentation for the exact specification (fluid type and capacity) for your exact model and year.
- Inspect the power steering reservoir cap or nearby labels for the indicated fluid type (for example, ATF+4 or Dexron II/III). If there is no label, refer to the manual for guidance.
- If the label is unclear or you cannot locate the information, contact a Jeep dealer or qualified mechanic before refilling or flushing the system.
- When refilling or flushing, use only the recommended fluid. Do not mix different types, as mixing can reduce performance and cause seals to degrade.
If you are unsure about the correct fluid, it is safer to have the vehicle serviced to prevent potential steering or hydraulic system issues.
Model-specific notes
Wrangler and Gladiator (modern era)
For most 2007-and-later Wranglers and the Gladiator, the recommended fluid is ATF+4 (Mopar or an equivalent ATF+4-certified product) in the power steering system. Always confirm using the exact vehicle specification for your year and trim.
Grand Cherokee and other SUVs
Many modern Grand Cherokee models and other Jeep SUVs also rely on ATF+4 in the power steering circuit. If your vehicle predates 2007, or if you have a unique trim, double-check the manual or dealer guidance, as some older models may specify Dexron II/III or a dedicated PS fluid.
Summary
Bottom line: for most current Jeeps, ATF+4 is the standard power steering fluid, but always verify with the owner’s manual or a Jeep dealer for your specific year and model. Avoid mixing fluids, and consider professional service if you are unsure about the correct specification. Knowing the exact requirement helps ensure smooth steering performance and longevity of the hydraulic system.