Parts for your 2017 Mitsubishi Eclipse cross-Oil pump

2017 Mitsubishi Eclipse Cross Oil Pump – What It Does and How to Look After It

Based on Mitsubishi Motors’ Eclipse Cross workshop manual (Lubrication section), the 1.5‑litre turbo-petrol 4B40 and the market‑specific 2.2‑litre diesel engines are equipped with a crankshaft‑driven engine oil pump integrated into the front cover. Mitsubishi’s electronic parts catalogue (ASA) also lists an oil pump assembly for these engines. So yes—the 2017 Mitsubishi Eclipse Cross absolutely uses an oil pump, and it’s a key bit of hardware.

The oil pump’s job is straightforward but vital: it pushes engine oil under pressure through galleries to the crankshaft and cam bearings, timing components, and the turbocharger. That pressurised film keeps metal surfaces separated, carries away heat, and scoops up contaminants for the filter to catch. On the Eclipse Cross, the pump is a compact, high‑efficiency unit designed to build pressure quickly on cold starts and hold stable pressure at cruise, helping economy without sacrificing protection.

While oil pumps rarely fail on their own, they’re only as happy as the oil feeding them. Sticking to the service schedule (typically every 12 months or around 15,000 kilometres in AU/NZ conditions) goes a long way. Use the viscosity and specification listed in the owner’s manual—many 1.5T models call for low‑viscosity full‑synthetic oil such as 0W‑20 or 5W‑30, depending on climate and market guidance.

Watch for signs that need attention:

• Oil pressure warning lamp or low‑pressure fault codes (e.g., P0520–P0524).
• Rattly top‑end on cold start, persistent ticking, or unusual turbo whine.
• Metallic debris in the oil or a blocked pickup strainer noted during servicing.

If an oil pump replacement is required, it’s a technical job: the front cover and sump are commonly removed, sealing surfaces cleaned, and the pickup O‑ring and strainer inspected. The pump must be primed, fresh oil and filter fitted, and oil pressure verified with a mechanical gauge. Expect several hours of labour. Smart add‑ons while there include renewing front cover seals and checking the timing drive and relief valve operation.

To keep the pump sweet as, avoid silicone sealant excess that can break off and clog the pickup, fix any intake or crankcase ventilation issues that load the oil with fuel or moisture, and always use quality filters. Look after the oil, and the pump will look after the engine.

Popular questions about 2017 Mitsubishi Eclipse Cross oil pump

How long should the oil pump last?

With regular oil and filter changes using the correct spec, the factory oil pump is designed to last the life of the engine. Premature wear typically traces back to contaminated oil, infrequent servicing, or sludge blocking the pickup.

If the vehicle has high kilometres, lots of short trips, or unknown service history, ask a technician to check hot oil pressure with a gauge during a service for peace of mind.

What are the early warning signs of a failing oil pump?

The big red flag is the oil pressure warning lamp, especially if it lingers after start‑up. Other clues include persistent top‑end ticking, a noisy or smoky turbo, or fault codes for low oil pressure. Sometimes it’s not the pump itself—thin/old oil, a tired pressure relief valve, or a blocked strainer can mimic pump issues.

Don’t drive with the oil light on, get it checked immediately.

Do I need an upgraded oil pump for towing or hot Aussie/Kiwi summers?

Generally, no. The standard pump and cooling package are engineered for those conditions. The best protection is the right oil grade for the climate, sticking to service intervals (or shortening them for heavy towing), and letting the turbo cool with gentle driving before shutdown after a hard run.

OEM components and proper maintenance beat most “upgrades” for everyday reliability.