Parts for your 1999 Nissan Primera-Power steering pump

1999 Nissan Primera Power Steering Pump: Purpose, Service and Replacement

Based on technical references, the 1999 Nissan Primera (P11) is fitted with a belt-driven hydraulic power-steering pump. The Nissan Primera P11 Factory Service Manual (Steering section, “Power Steering System”) details pump removal, fluid specifications and bleeding, and the Nissan FAST electronic parts catalogue lists pump assemblies for P11 engines. The Haynes Service and Repair Manual for Nissan Primera (P11, 1996–2001) also covers hydraulic PAS with a driven pump and fluid service. So yes—this model uses a conventional hydraulic pump rather than electric assist.

The power-steering pump on a 1999 Primera does the heavy lifting so steering stays light and predictable at any speed. Driven by the auxiliary belt, it pressurises fluid and feeds the steering rack’s assist chambers. When the pump and fluid are healthy, the wheel feels smooth on-centre, there’s no groan on full lock, and parking manoeuvres stay easy even with wider tyres.

As part of regular servicing, it’s smart to check the pump, belt, and hoses. A quick look under the bonnet for dampness around hose fittings, the pump body, and the rack boots can catch leaks early. If the belt’s cracked, glazed, or flings rubber dust, replace it and confirm correct tension. Many owners benefit from refreshing the fluid every 2–3 years or roughly 40,000–60,000 kilometres, old, dark or burnt-smelling fluid accelerates pump wear.

Common red flags include a whining or groaning noise that rises with revs, heavy steering at low speed, or aerated fluid (froth) in the reservoir. If the pump is failing, it can be replaced with a quality remanufactured or new unit. When swapping the pump, always replace copper washers on high-pressure banjo fittings, inspect the return hose for softness or cracking, and verify pulley alignment to avoid belt squeal.

Bleeding after any hose or pump work is key. With the front wheels off the ground, turn the wheel slowly from lock to lock several times with the engine off, topping the reservoir as bubbles purge. Then start the engine and repeat—without holding it hard against the stops—to clear the last of the air. A quiet system with a steady fluid level means the job’s done right. Keep the reservoir at the correct mark with the specified ATF, and the Primera’s steering will stay light, quiet, and reliable.

• Watch for: whining pump, heavy steering, fluid leaks, black or foamy fluid
• Service tips: renew fluid periodically, replace worn belts, use new sealing washers, bleed thoroughly

Popular questions about 1999 Nissan Primera power-steering-pump

What fluid should be used in the 1999 Primera’s power steering?
Nissan specifies ATF for the P11’s hydraulic PAS—use a high-quality Dexron III (or Dexron II) compatible ATF. Avoid mixing with “universal” or mineral CHF types. If changing from an unknown fluid, a gradual exchange helps minimise seal shock.

How do you bleed the power steering after replacing the pump?
Raise the front, engine off, and turn lock-to-lock slowly 10–15 times, topping the reservoir as bubbles purge. Start the engine and repeat gently, avoiding hard holds at full lock. Recheck fluid after a short drive, a quiet system and stable level indicate it’s bled properly.

Is it better to rebuild the original pump or fit a replacement?
If the housing and pulley are sound, a seal-and-bearing rebuild can be economical. However, if the shaft is scored, the pulley is damaged, or there’s excessive internal wear, a quality reman or new pump saves time. Always assess hose condition and belt alignment during the job.