Oil/Fluid for Power Steering Systems
Selection inputs for power steering fluids, focused on OEM specification matching and seal compatibility.
This page lists neutral selection inputs. Confirm equipment manufacturer specifications before selecting a lubricant.
Operating Conditions
| Operating Parameter | Typical Range/Value |
|---|---|
| System Type | Hydraulic power steering (not electric assist-only) |
| OEM Spec | Use the exact specified fluid type (ATF vs dedicated PS fluid) |
| Temperature | Cold-start performance and heat stability matter |
| Service History | Mixing fluids can cause seal issues; flush if uncertain |
Required Lubricant Properties
| Required Property | Specification |
|---|---|
| OEM Spec Compliance | Primary requirement (type and standard) |
| Seal Compatibility | Must be compatible with system elastomers |
| Oxidation Stability | Resist varnish and pump noise over time |
| Anti-Wear Performance | Protect pump and rack components |
Availability
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Sources
- Manufacturer documentation
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