The power steering reservoir is typically located in the engine bay, connected to the power steering pump. In most cars you’ll find a translucent tank with a cap labeled “Power Steering” on the driver’s side front area or near the firewall. Some newer vehicles with electric power steering (EPS) have no separate reservoir at all.
Locating the reservoir in the engine bay
To pinpoint the exact spot, start with the power steering pump—the pump is driven by the serpentine belt and usually sits along the side of the engine. The reservoir is typically attached to or directly above the pump, connected by hoses that route to the steering rack or gear.
Common locations you’ll encounter in many makes and models include:
- Driver’s-side front area of the engine bay, near the radiator or front grille.
- On the passenger side, toward the firewall or brake booster area.
- Mounted directly to the power steering pump or its bracket, with hoses running to the steering gear.
- Along an inner fender or behind wiring looms, depending on model layout.
- Some European models place the reservoir lower on the engine bay near the belt line, accessible from the top or side.
If you still can’t locate it, consult the owner’s manual or a model-specific diagram. The reservoir is normally translucent so you can see the level at a glance, and it will have minimum and maximum marks.
How to identify the reservoir and confirm it is for power steering
Look for visual cues that distinguish the power steering reservoir from other fluids. The cap is often labeled “Power Steering” or bears a steering-wheel icon, and clear tubing leads to a pump or hoses that run to the steering system.
Common identifying features include:
- A cap that explicitly says “Power Steering” or shows a steering wheel symbol.
- A translucent, usually amber or clear plastic tank with min/max level marks.
- Hoses that connect to the power steering pump and steering rack or gear.
- Proximity to the belt-driven pump and serpentine belt arrangement in the engine bay.
Being aware of these cues helps avoid confusion with other fluids, such as engine coolant, windshield washer fluid, or brake fluid.
Special cases: electric power steering (EPS)
Many newer vehicles use electric power steering (EPS). In those cars there may be no hydraulic reservoir at all, since the steering assist is provided by an electric motor and control module rather than hydraulic fluid. If your vehicle is EPS-only, there is nothing to fill or check under the hood for a power steering reservoir.
Where EPS might still show a reservoir
In older or hybrid configurations, there can still be a fluid reservoir for certain auxiliary hydraulic systems, but not for steering assist. Always verify with the owner’s manual or a dealership bulletin for your exact model.
What to do if you need to check or refill
Always start with the vehicle on level ground and the engine off and cold. Use the recommended fluid for your vehicle, and never mix different types of hydraulic fluids.
- Wipe the cap and surrounding area clean to prevent contamination.
- Open the cap and check the fluid level against the min and max marks; if the fluid is dark or smells burnt, consider a fluid service.
- If level is low, add the correct power steering fluid gradually until it reaches the proper mark. Do not overfill.
- If you notice leaks, whining, stiff steering, or air in the system, have the steering system inspected by a mechanic.
Some vehicles may require bleeding or a service procedure after topping up—check the owner’s manual for the correct procedure to avoid air pockets in the system.
Summary
The power steering reservoir is usually found in the engine bay, near the power steering pump, on the driver’s side or toward the firewall, and is typically a translucent container with a cap labeled Power Steering. In cars with electric power steering, there may be no reservoir at all. When in doubt, consult the owner’s manual or a qualified technician to locate, identify, and service the reservoir correctly.