The right power steering fluid for a Ford F-350 depends on the year and the steering system in your truck. In many older F-350s, Dexron II/III automatic transmission fluid (ATF) has been used in the power-steering circuit, while newer models commonly require Ford Motorcraft Power Steering Fluid. Always verify the exact specification on the reservoir cap or in the owner’s manual before topping up or flushing.
Understanding the available fluid options
Power steering systems can be designed to accept a standard ATF or a dedicated power steering fluid. The options you might encounter, and how to use them, are summarized below.
- Dexron II/III automatic transmission fluid (ATF): A common older-spec option for many Ford power steering systems. Do not mix with other fluid types if your manual specifies something else.
- Dexron VI ATF: A newer, backward-compatible ATF that is sometimes approved as a replacement for older Dexron II/III applications. Use only if your manual or reservoir cap allows it.
- Ford Motorcraft Power Steering Fluid (or equivalent Ford PS fluid): A dedicated, Ford-approved PS fluid used in many modern Ford power steering systems. Prefer this when the manual specifies Ford PS Fluid.
Note: Some Ford F-350 models or specific years may require one of these options over others. Do not mix fluid types, and if you’re switching types, perform a proper flush according to service guidance.
How to choose the right fluid for your specific truck
To ensure you use the correct fluid for your particular Ford F-350, follow these steps.
- Check the reservoir cap and owner’s manual for the exact fluid specification recommended by Ford for your year and model.
- If the cap or manual specifies a specific fluid type (e.g., Ford PS Fluid), adhere to that specification exactly.
- If you’re unsure or your manual is unavailable, use Dexron VI ATF only if the guidance explicitly allows ATF in your system; otherwise, opt for Ford Motorcraft Power Steering Fluid.
- When changing from one fluid type to another, consider a full system flush to avoid residue mixing and potential seal damage.
- Regularly check the power steering fluid level and condition, topping up with the approved fluid as needed.
By following the manufacturer’s guidance and avoiding cross-fluids, you can help maintain smooth steering and protect the system seals over time.
Additional considerations
Some newer or specialty configurations of Ford F-350 (especially with advanced steering assist or hydro-boost systems) may have particular requirements or variations. If your truck has electric or advanced assist features, there may be no traditional power steering fluid to replace. In any case, the owner’s manual or a Ford dealer/service bulletin is the best resource for the exact specification for your vehicle.
Summary
In short, the Ford F-350’s power steering fluid generally falls into one of two categories: Dexron II/III ATF (older systems) or Ford Motorcraft Power Steering Fluid (modern Ford PS systems). Dexron VI can be a cross-compatible option only if your manual approves it. Always confirm the exact specification from your owner's manual or the reservoir cap, and avoid mixing fluids. If you provide your model year and whether your truck uses a traditional hydraulic PS system, I can give you a precise recommendation.
What power steering fluid does a 6.7 powerstroke take?
Capacities and Specifications - 6.7L Diesel
| Name | Specification |
|---|---|
| Power steering fluid: Motorcraft® MERCON LV XT-10-QLVC | WSS-M2C938-A MERCON LV |
| A/C refrigerant (U.S.): Motorcraft® R-134a Refrigerant YN-19 | WSH-M17B19-A |
| A/C refrigerant (Canada): Motorcraft® R-134a Refrigerant CYN-16-R | WSH-M17B19-A |
What kind of power steering fluid does a Ford F350 take?
2014-2022 Ford F350 Super Duty 6.7L V8 DIESEL. Notes: Power Steering Fluid -- ATF64; 1 L.
What kind of power steering fluid does a Ford take?
Note: All power steering systems built between 1998 and 2012 require the user of MERCON® V fluid. Power steering systems build after 2012 require MERCON® LV. Refer to Workshop Manual or Owner's Guide.
What type of ATF does Ford use?
Mercon represents a series of technical standards for automatic transmission fluid, developed and trademarked by Ford Motor Company. This designation serves as a mark of quality that Ford has established for fluids used in automatic transmissions.