Parts for your 2008 Toyota Aurion-Power steering pump

2008 Toyota Aurion power steering pump — what it does and how to look after it

Based on technical sources, the 2008 Toyota Aurion (GSV40 series, 2GR‑FE V6) is fitted with a belt‑driven hydraulic power steering pump. Toyota’s Electronic Parts Catalogue (EPC) for the GSV40/41 lists a pump assembly and associated hoses, and the factory Repair Manual (Steering section: Hydraulic Power Steering) details pump removal, installation and fluid bleeding. The Aurion Owner’s Manual for this model year also specifies a power steering fluid reservoir and ATF‑type fluid requirement. Put simply, a power‑steering pump is relevant and used on the 2008 Aurion.

The pump’s job is to supply pressurised fluid to the steering rack so the wheel turns lightly at parking speeds and stays consistent on the open road. Driven by the serpentine belt on the front of the V6, it pulls fluid from the reservoir, pressurises it, and returns it after it’s done helping the rack. When it’s healthy, steering effort is smooth and quiet, when it’s tired or low on fluid, you’ll usually hear a whine and feel heavier steering, especially at idle.

As part of regular servicing, it pays to give the Aurion’s power‑steering system a once‑over. Check the fluid level and colour in the reservoir, use the fluid called out on the cap or in the owner’s handbook (commonly ATF Dexron III or equivalent). If the fluid is dark, smells burnt, or looks foamy, a flush is wise. Inspect the pump body, pressure hose, and return hose for dampness or red ATF weeping, and make sure the drive belt and tensioner are in good nick—cracks or glazing can make the pump noisy.

• Typical warning signs: whining or groaning when turning, heavier steering at low speed, aerated/foamy fluid, or red fluid spots under the front of the car.
• Replacement tips: disconnect the battery, protect the alternator from spills, remove the serpentine belt, cap hoses to minimise mess, and collect old fluid for proper disposal. After fitting, bleed the system by turning the wheels lock‑to‑lock with the front raised, topping up until bubbles clear.
• Service habit: quick visual checks every service, and a fluid change if it’s discoloured or contaminated. Address leaks early—running the pump low on fluid will shorten its life.

If the pump has persistent noise even with fresh fluid and a good belt, or there’s shaft play, it’s time for a quality replacement or a professional rebuild.

Does the 2008 Aurion use electric power steering?

No. Technical documentation for the GSV40 Aurion specifies a hydraulic system with a belt‑driven pump. Some Toyota hybrids of the era used electric assist, but the 2008 Aurion V6 uses hydraulic assist with ATF‑type fluid in a reservoir under the bonnet.

What fluid should go in the Aurion’s power steering system?

Use the fluid specified on the reservoir cap or in the owner’s handbook—typically ATF Dexron III or an equivalent high‑quality ATF. Mixing incompatible fluids can cause seal issues or pump noise, so stick with the stated spec and keep the level between the MIN and MAX marks (check hot or cold as indicated on the reservoir).

How often should the power steering fluid be changed?

Toyota doesn’t always list a strict interval for PS fluid, but on higher‑kilometre cars it’s sensible to replace it if the fluid is dark, smells burnt, or the steering gets noisy. Many workshops in AU/NZ will inspect every service and flush the system around the 80,000–100,000 km mark, or sooner if contamination or leaks are found.