Parts for your 2015 Nissan Serena-Oil pump

2015 Nissan Serena Oil Pump — Purpose, Service and Replacement Advice

Yes, the 2015 Nissan Serena is fitted with an engine oil pump. Nissan’s factory service literature for the C26 Serena (2014–2016) in Section LU – Lubrication System describes a chain/crank-driven trochoid-type oil pump integrated into the front cover of the MR-series 2.0‑litre petrol engine. The MR20DE/MR20DD engine family documentation (EM/LU sections used across Serena and related Nissan platforms) also details the pump’s operation, pressure control and relief valve specs. Even S-HYBRID variants retain the same internal-combustion lubrication layout, so an oil pump is absolutely relevant on a 2015 Nissan Serena. Technical sources: Nissan Serena C26 Series Service Manual, LU – Lubrication System, Nissan MR20DE/MR20DD Engine Mechanical – Lubrication System, Nissan Motor Co.

The oil pump’s whole job is to sling the right amount of oil through the engine, keeping bearings, timing chains and cam lobes properly lubricated and cool. On the Serena’s MR engine, the pump draws oil through the pickup, pressurises it, and feeds galleries to the crankshaft, camshafts and chain tensioners. Without solid oil pressure, you’re risking rapid wear, noisy starts and, worst case, a seized engine.

For day-to-day servicing, the best way to look after the oil pump is actually to look after the oil. Stick to the correct viscosity and spec listed in the owner’s manual (commonly a quality 0W‑20 or 5W‑30 for local conditions) and change oil and filter on time — every 10,000 km or 12 months in typical AU/NZ use, or sooner if the van sees lots of short trips or idling. A clean, quality filter helps the pump maintain pressure without working overtime.

During regular services on a 2015 Serena, a good workshop will:

• Check for oil leaks at the front cover and sump, and inspect the pickup area if the sump is off.
• Listen for timing-chain rattle at start-up and note any flickering oil warning light.
• If there’s a concern, verify actual oil pressure with a mechanical gauge against factory specs.

Oil pumps aren’t a scheduled replacement item, they’re replaced when worn or if pressure is out of spec. Replacement is a front-cover-off job that may involve sump removal and timing components, so allow a solid day in the workshop. If the pump is replaced, the tech will clean the pickup strainer, check bearing clearances, renew seals and gaskets, and prime the pump so it builds pressure straight away. Look after the basics and the Serena’s oil pump will usually run happily for the long haul.

Popular questions about 2015 Nissan Serena oil pumps

Does the oil pump ever need routine replacement?

No. On a 2015 Serena the oil pump isn’t a routine service item. It’s only replaced if oil pressure is low, the warning light persists, or there’s internal wear. Regular oil and filter changes are the key preventative maintenance.

What are the common signs of a failing oil pump on a Serena?

Watch for a low oil pressure warning light, rattly starts (especially timing-chain noise), or persistent top-end ticking. If any of these show up, park it and get the pressure checked with a gauge before further driving.

Is the S-HYBRID Serena different for oil pump servicing?

The mild-hybrid system doesn’t change the engine’s lubrication layout. The S-HYBRID still uses the same style of engine oil pump and follows the same oil specs and service approach as non-hybrid petrol Serena models.