Parts for your 2015 Nissan Serena-Power steering pump

2015 Nissan Serena power-steering-pump: is it fitted or needed?

Short answer: a conventional hydraulic power-steering pump isn’t used on the 2015 Nissan Serena (C26). Nissan’s own technical literature identifies the C26 Serena as running Electric Power Steering (EPS) with a column‑assist motor and control unit, not a belt‑driven hydraulic pump. This is detailed in the Nissan Serena C26 Electronic Service Manual, Steering System (EPS) section, is echoed by the C26 Owner’s Manual with an EPS warning lamp description, and is supported by the Nissan parts catalogue (EPC/FAST) for the C26 which lists no hydraulic pump, reservoir, pressure hoses or fluid lines.

Why no pump? EPS replaces the pump, fluid, hoses and steering oil rack with an electric motor on the steering column. That setup brings real-world wins for Serena owners: better fuel economy (no engine drag from a belt pump), fewer leak points, and tidy packaging. It also plays nicely with stop–start and S-HYBRID variants because steering assist is available even when the engine cycles off at the lights.

What does that mean for servicing? There’s no power-steering fluid to check, no belt to tension, and no pump to replace. Instead, good practice on a 2015 Serena includes:

• Battery and charging health checks — EPS draws current, a weak 12V battery can trigger the EPS warning lamp or heavy steering.
• Tyre pressures, wheel alignment and front-end inspections — correct geometry reduces steering load and keeps the EPS motor happy.
• Checks of the steering column universal joints, rack boots and free play, road-test for abnormal noise or intermittent heaviness.
• Scan for EPS fault codes if the warning light appears, many faults need a proper scan tool (e.g., Nissan CONSULT) and may require torque-sensor or control unit calibration after steering work.

If someone’s hunting for a “2015 Serena power-steering-pump”, they’ll come up empty because it’s not part of this vehicle’s design. Typical EPS-related components are the steering column assembly with assist motor and ECU, torque sensor, and associated wiring. Before replacing anything, a diagnostic scan and basic mechanical checks are the smartest first steps.

Technical sources referenced: Nissan Serena C26 Electronic Service Manual, Steering System (EPS), Nissan Serena C26 Owner’s Manual (EPS warning lamp section), Nissan EPC/FAST parts catalogue for C26 Steering — all indicate an EPS system and no hydraulic pump or fluid circuit.

Popular questions

Where is the power steering fluid reservoir on a 2015 Nissan Serena?
There isn’t one. The C26 Serena uses Electric Power Steering, so there’s no hydraulic fluid, reservoir or pump. If the steering feels heavy, check the 12V battery condition, tyre pressures and have the EPS system scanned for fault codes.

Can a hydraulic power-steering pump be retrofitted to a Serena?
It’s not practical. Converting to hydraulic would require a different rack, lines, pump drive, reservoir, brackets and ECU integration. The factory EPS is the correct system and is more efficient and lower maintenance.

What maintenance keeps the Serena’s EPS happy?
At regular services (about every 10,000–15,000 km), check battery/charging health, tyre pressures and alignment, inspect steering joints and rack boots, and road-test. If any steering parts are replaced, ensure the EPS zero/neutral positions are calibrated with a suitable scan tool.