Parts for your 2009 Toyota Aurion-Power steering hose

2009 Toyota Aurion power‑steering hose — what it does, and how to look after it

Based on Toyota’s technical literature for the Aurion GSV40 series (2006–2011) and the Toyota Electronic Parts Catalogue (Group 44: Steering), the 2009 Toyota Aurion (2GR‑FE V6) uses a conventional hydraulic power steering system with a belt‑driven pump, a high‑pressure feed hose assembly, and a low‑pressure return hose between the pump, reservoir, and steering rack. The repair manual’s Steering (Hydraulic) section specifies inspection, bleeding, and hose replacement procedures, and the EPC lists the pressure hose assembly (commonly catalogued under 44410‑****) and return hose. So, a power‑steering hose is absolutely relevant and fitted to this model.

On a 2009 Aurion, the power‑steering hose does a deceptively big job. The high‑pressure side channels pumped fluid from the engine‑driven pump to the steering rack so the wheel feels light and predictable at any speed, while the return hose sends fluid back to the reservoir to be cooled and reused. Because the system runs at very high pressure and heat, the hose materials and crimps have to be spot‑on — any weakness shows up as assist loss, noise, or leaks.

As part of routine servicing, it pays to keep an eye on a few tell‑tales:

• Fresh or damp ATF around hose crimps, the pump, or the rack
• Whining from the pump, especially on cold starts or full lock
• Heavier steering feel, aerated or dark fluid in the reservoir, or spots on the driveway

If a hose is perished, swollen, cracked, or weeping at the crimp, replacement is the smart move. For the Aurion’s high‑pressure line, choose an OE or quality aftermarket hose rated for the correct pressure, reusing old O‑rings is false economy. After fitting, the system needs a proper bleed — wheels off the ground, engine idling, turn the wheel lock‑to‑lock slowly while topping up with the fluid specified in the owner’s manual (Toyota ATF meeting the correct Dexron specification) until bubbles clear. Any spilled fluid should be cleaned away to avoid softening rubber components.

There’s no strict replacement interval for the hoses, but a quick inspection at every service and a fluid condition check around 60,000–100,000 km is good practice. If the fluid is burnt, contaminated, or has a silvery sheen (wear debris), a flush and closer look at the pump and rack are worth it. A tidy, leak‑free hose keeps the steering quiet, the pump happy, and the Aurion feeling like it should — easy to guide, even in tight city car parks.

Popular questions

Does the 2009 Aurion actually have hydraulic power steering hoses?
Yes. Toyota’s Aurion GSV40 repair manual and parts catalogue specify a belt‑driven hydraulic pump, a high‑pressure feed hose assembly, and a return hose to the rack. This model is not electric power steering, so hoses are part of the system.

What power‑steering fluid should be used?
The cap and owner’s manual specify the correct ATF type for the Aurion’s power steering. Use Toyota‑approved ATF that meets the required Dexron specification, and don’t mix fluid types. If unsure, a quick check of the manual or the reservoir cap will confirm it.

How long does hose replacement take, and what else should be checked?
Typically 1–2 hours depending on access and corrosion. It’s sensible to inspect the pump pulley and belt, reservoir filter, and rack fittings at the same time, then bleed the system thoroughly to prevent aeration and noise.