Parts for your 2008 Toyota Aurion-Oil pump

2008 Toyota Aurion oil pump: what it does and when to replace it

Yes, the 2008 Toyota Aurion absolutely uses an oil pump. Toyota’s 2GR‑FE Engine Mechanical (Lubrication System – Oil Pump) repair manual and the Toyota Electronic Parts Catalogue (EPC) for the GSV40 Aurion both identify a crankshaft‑driven, trochoid‑type oil pump integrated into the timing chain cover. It’s a core part of the 3.5‑litre V6’s lubrication system.

In day‑to‑day terms, the pump’s job is simple but vital: it draws oil from the sump and pushes it under pressure through galleries to the crankshaft and cam bearings, the timing chains, and the VVT‑i actuators. That steady oil pressure keeps friction and heat under control, helps the variable valve timing work properly, and protects the engine during hot runs, cold starts, and everything in between.

For routine servicing, the oil pump isn’t a scheduled replacement item on an Aurion. Instead, look after it by looking after the oiling system as a whole:

• Change engine oil and filter on time (typically every 10,000 km or 12 months in AU/NZ conditions, or as per the owner’s manual), and use the correct viscosity and quality spec.
• Use a quality oil filter to maintain stable pressure and filtration.
• Keep an eye out for leaks, sludge build‑up, or contamination that can starve the pump or clog the pickup strainer.
• If the sump is off for other work, inspect and clean the pickup and replace the O‑ring.

Replacement becomes a consideration only when there’s confirmed low oil pressure and other likely causes (low oil level, wrong viscosity, failing pressure switch, blocked filter, worn bearings) have been ruled out. On the 2GR‑FE, replacing the oil pump is a fairly involved job because it’s integrated with the front cover