Parts for your 2009 Honda Stream-Oil pump

2009 Honda Stream Oil Pump — What It Does and How to Look After It

Yes, the 2009 Honda Stream uses an engine oil pump. This isn’t an optional extra — it’s a core part of the R-series petrol engines fitted to the RN6–RN9 Stream range. Honda’s workshop literature for the 2007–2011 Stream (Lubrication System/Oil Pump) and the Honda Electronic Parts Catalogue both list an oil pump assembly for the 1.8 R18A and 2.0 R20A engines, and Honda’s technical overviews describe a trochoid-style pump driven from the crankshaft. So the oil pump is absolutely relevant to this model.

On the 2009 Stream, the oil pump’s job is to pull oil from the sump through a strainer and push it under pressure through galleries to bearings, camshafts, VTEC/VTC components and the rest of the rotating bits. Without steady oil pressure, the engine would quickly wear, overheat internally and make some very unhappy noises.

While it’s not a regular “service item” like filters or spark plugs, the oil pump benefits from good habits. Fresh, correct-grade oil and a quality filter keep the pump’s internals and the pickup screen clean, so pressure stays on target. If the oil pressure warning lamp flickers, there’s rattly top-end noise, or the engine logs low-pressure DTCs, it’s time to investigate straight away.

• Change oil and filter on time using the viscosity Honda specifies for local climate.
• If the sump has been off or there was sludge, have a tech check the pickup screen and the pump’s relief valve.
• During pump replacement, renew the pickup tube O-ring/gasket, sump sealant, and any drive-chain/guide pieces as required by the workshop manual.
• Prime the pump with clean oil during install and verify pressure with a gauge on first start.

Replacement is usually only needed after high kilometres, contamination, or confirmed pressure loss. A competent mechanic will drop the sump, inspect the strainer and pump clearances, and follow torque and sealant specs from the Honda manual. Many owners pair pump work with other bottom-end jobs to save labour time. Done right, an OE-quality pump should go the distance for years of A-to-B family duty.

Popular questions about 2009 Honda Stream oil pumps

Does the 2009 Honda Stream actually have an oil pump?
It does. Honda’s RN6–RN9 Stream with R18A/R20A petrol engines uses a crank-driven trochoid oil pump mounted at the bottom end. Both the workshop manual and parts catalogue list the oil pump assembly and related gaskets/seals.

How long should an oil pump last on a Stream?
With regular oil changes and a clean sump, many pumps run well beyond 200,000 km. Failures are uncommon and usually tied to sludge, incorrect oil, or previous engine issues. If pressure is healthy and there’s no noise or warnings, replacement isn’t routine.

What are the signs the oil pump or pickup needs attention?
Watch for a low oil pressure warning lamp, persistent ticking or rumbling from the engine, metallic debris in the oil, or fault codes related to pressure. After any timing or sump work, a brief rattle at cold start can be normal, but repeated noise or warnings should be checked with a mechanical pressure gauge.