Parts for your 2014 Nissan Navara-Power steering hose

2014 Nissan Navara power-steering-hose: purpose, care, and when to replace

Based on technical references including the Nissan Navara D40 service manual (Steering/ST section), the system fitted to 2014 Navara models sold in Australia and New Zealand is a hydraulic power-assisted rack-and-pinion setup driven by a belt-driven pump. It uses both a high-pressure power steering hose and a low-pressure return hose. Nissan’s FAST electronic parts catalogue lists these hose assemblies for 2014 D40/D22 variants, and major aftermarket catalogues (e.g., Dayco/Gates) also list pressure and return hoses for this model year. So yes—this vehicle definitely uses power-steering hoses.

The power-steering hose carries specially formulated fluid from the pump to the steering rack under high pressure, with the return hose sending fluid back to the reservoir. Together they maintain the hydraulic assist that makes low-speed turns easy and keeps steering feel consistent at highway speeds. A healthy hose set prevents leaks, protects the pump and rack from cavitation and overheating, and helps the Navara steer smoothly on and off road.

As part of regular servicing, the hose assemblies deserve a quick once-over every service interval. Look for perishing, swelling near crimps, dampness or pink/red fluid traces around fittings, and kinks from previous repairs. If the steering gets heavier, the pump whines, or the fluid level drops, a hose may be weeping. The correct fluid is Nissan PSF or an ATF meeting the spec in the owner’s manual (commonly Dexron III for many D40s)—don’t mix types, and top up only with the specified fluid.

• Inspect hoses and clamps every 10,000–15,000 km or 6–12 months.
• If removing the pressure hose, replace sealing washers/O-rings and clean mating surfaces.
• After hose replacement or a fluid flush, bleed by turning the wheels lock-to-lock with the front end raised, avoiding holding at full lock.
• If fluid is dark, burnt, or contaminated, a full flush can extend pump and rack life.

Replacement is straightforward for a competent home mechanic with the right tools, but access can be tight and fluid is messy. If there’s any doubt about fitting angles or torque procedures, it’s worth having a workshop handle it. Driving with a leaking pressure hose risks sudden loss of assist and pump damage, so don’t leave it till it gets worse.

Popular questions

What are the signs a power-steering hose is failing on a 2014 Navara?
Common clues are a light oil film or drips under the front, a whining/whirring pump, heavier steering at low speeds, and a dropping fluid level in the reservoir. Swelling or cracking near hose crimps, and wet fittings at the rack or pump, also point to a failing hose.

Which fluid should be used, and how often should it be changed?
Use Nissan PSF or an ATF that meets the spec in the owner’s manual (many D40s specify Dexron III). Top up with the same fluid already in the system. While many manufacturers don’t list a strict interval, replacing aged or dark fluid around 60,000–80,000 km helps preserve pump and rack seals.

Is it safe to drive with a leaking power-steering hose?
Not recommended. A small seep can quickly turn into a major leak, causing sudden loss of assist and potential pump damage from running low on fluid. If a leak is spotted, monitor the level closely and arrange repair as soon as possible.