Parts for your 2016 Nissan Pathfinder-Oil pump

2016 Nissan Pathfinder oil pump: what it does and when to replace it

Yes, the 2016 Nissan Pathfinder uses an oil pump and it’s absolutely relevant to servicing. Technical documentation confirms this: the 2016 Pathfinder (R52) Electronic Service Manual, Section LU – Lubrication System, describes a crankshaft-driven trochoid/gerotor oil pump integrated in the front timing cover on both the VQ35DE 3.5‑litre V6 and the QR25DER hybrid engine. Nissan parts catalogue diagrams for the R52 model also show the oil pump assembly and related rotors, pickup and relief valve in the lubrication system.

On this Pathfinder, the oil pump’s job is to push engine oil under pressure through galleries to lubricate crank and cam bearings, piston cooling jets (where fitted), the timing chains and guides, and to supply the cam phasing system. By keeping a stable film of oil between moving parts, it cuts wear, carries away heat and flushes microscopic debris back to the filter. Without good oil pressure, it’s only a matter of time before bearings scuff and the engine protests with noise or worse.

Day to day, the best “maintenance” for the pump is simply keeping the engine oil clean and at the correct level. Stick to the service schedule and use the specified grade (commonly 0W‑20 or 5W‑30 meeting the Nissan spec for this model and climate). A quality filter, timely changes, and avoiding sludge build-up protect the pump’s rotors and the pickup screen. If the oil pressure warning light flickers, the engine rattles at start-up, or there’s metallic glitter in the drained oil, don’t keep driving—have the pressure checked with a mechanical gauge.

• Tell-tale signs of trouble: low oil pressure light, persistent lifter/chain rattle, VVT performance faults, bearing knock, or an oil-starved look to the drained oil/filter.

Replacing the oil pump on a 2016 Pathfinder is a sizeable job because it’s housed in the front cover with the timing chains. Expect sump and front cover resealing, chain handling and correct timing setup. It’s work best left to a workshop with the right locking tools and sealants.

1. Use genuine or OE‑quality pump/rotor set, new front crank seal and O‑rings.
2. Drop and clean the pickup/strainer, inspect the relief valve for sticking.
3. Prime the pump with clean oil during assembly and use the specified RTV on the cover and sump joins.
4. Refill with the correct oil, pre-lube if possible, and verify hot idle and cruise oil pressure with a gauge.

Look after the oil and filter, and the pump in a 2016 Pathfinder will usually go the distance without fuss.

Does the 2016 Nissan Pathfinder have an oil pump and where is it located?
Yes. The 2016 Pathfinder’s oil pump is a crankshaft-driven trochoid/gerotor unit integrated into the front timing cover. It sits at the front of the engine, behind the crank pulley/harmonic balancer. Access requires removing the front cover and handling the timing chains, so it’s not a quick driveway job.

What are common symptoms of a failing oil pump on a 2016 Pathfinder?
Warning signs include a low oil pressure light, rattling on cold starts, cam timing/VVT performance codes, and in severe cases bearing noise. Keep in mind, similar symptoms can be caused by low oil level, a clogged pickup, worn bearings or thin/aged oil, so a proper pressure test is essential before condemning the pump.

How much does oil pump replacement cost on a 2016 Pathfinder?
It’s labour-heavy due to front cover and timing chain work. In Australia or New Zealand, a typical workshop estimate may land in the ballpark of the low-to-mid four figures, depending on parts choice, sealants, and any extra timing components or sump resealing required. A firm quote will follow an inspection and oil pressure test.