Steering rack Nissan Murano - a key component of the control system, on which not only driving comfort, but also safety depends. Over time, even in reliable Japanese crossovers, this mechanism wears out: knocks, backlashes, fluid leaks, or stiff rotation of the steering wheel appear. If you ignore the first symptoms, the consequences can result in expensive repairs or an accident.

In this article we will look at how independently diagnose a steering rack malfunction on Murano (including restyled versions Z50 And Z51), what tools will be needed for replacement, and how much the service will cost. We will also provide step-by-step instructions with nuances that you will not find in standard manuals - from draining the power steering fluid to adjusting the new rack after installation.

Signs of a faulty steering rack on a Nissan Murano

The first “bells” about problems with the rack are often attributed to bad roads or suspension wear. However there is specific symptoms, which directly indicate a breakdown of this unit:

  • 🔊 Knocking or squeaking when turning the steering wheel (especially on uneven surfaces) - often caused by wear of the gear pair or bushings.
  • 💧 Power steering fluid leaks under the car (red or brown) - a signal about damage to the seals or rack housing.
  • 🔄 Stiff steering wheel rotation in one of the directions (for example, only to the left) - indicates jamming of the bearings or deformation of the shaft.
  • 🚗 Steering play more than 10° (checked on site with the engine off) - a critical sign that requires immediate diagnosis.

On Murano with electric booster (EPS) the malfunction may manifest itself differently: for example, spontaneous turning of the steering wheel or an error C1130 on the dashboard. In this case, the problem often lies in the torque sensor or control unit.

⚠️ Attention: If, when driving at speeds over 60 km/h, the steering wheel begins to “beat” or vibrate, stop immediately! This may be a consequence of the rack boot rupturing and dirt getting into the mechanism. Further use will lead to jamming.

For an accurate diagnosis, we recommend checking:

  1. Power steering fluid level (at Murano with hydraulic booster, the reservoir is located to the right of the engine).
  2. The condition of the rack boots (cracks or tears are a direct path to failure).
  3. Steering shaft play (have an assistant rock the steering wheel while you look at the rack from below).
📊 What type of power steering does your Murano have?
  • Hydraulic booster (power steering)
  • Electric Power Steering (EPS)
  • I don't know

Which steering rack to choose for Nissan Murano: original vs analogues

When replacing the rack, owners Murano are faced with a dilemma: to buy original spare part from Nissan or a high-quality analogue. Original slats (see table below for article numbers) guarantee compatibility, but their price can reach 40–60 thousand rubles depending on the year of manufacture. Analogues from Mando, ZF or TRW 30–50% cheaper, but require careful selection.

Model Murano Amplifier type Original article Recommended analogues
Z50 (2003–2007) power steering 48500-4M000 Mando 10100-7S000, ZF 7750 00-0900
Z50 (restyled, 2007–2010) power steering 48500-4M010 TRW JTE1050, Febi 32630
Z51 (2011–2015) EPS 48520-JM00A Mando 10100-8J000, Delphi MR1400

When choosing an analogue, pay attention to:

  • 🔧 Amplifier type (power steering or EPS) — the slats are not interchangeable!
  • 📅 Year of manufacture car (even within one generation Z50 there were changes).
  • 🔄 Availability of repair kit (some analogues are sold without oil seals and bushings).
⚠️ Attention: On Murano Z51 with EPS after replacing the rack it is required flashing the control unit (diagnostic equipment is used Consult-III). Without this, the amplifier will not work correctly or will turn off altogether.

Where to buy? Official dealers Nissan They offer original slats, but at inflated prices. The best option is proven online stores (for example, Exist.ru, Autodoc) or disassembly (for used spare parts). When purchasing a used rack, be sure to check:

  • 🔍 Condition of seals and anthers (there should be no leaks).
  • 🛠️ Shaft play (let's say minimal, no more than 1-2 mm).
  • 📋 Availability of documentation (preferably a receipt for the previous replacement).
💡

When buying a new rack, ask the seller for a certificate of quality - fake brands ZF or TRW often found on the market.

Tools and preparation for replacing the steering rack on a Murano

Replacing the rack with Nissan Murano - a labor-intensive process that requires not only skills, but also special tool. Without it, the risk of damaging new parts or leaving play in the system increases significantly. Here's a complete list of what you'll need:

Steering rod puller (for example, KUKKO 21-1)|Socket for 10, 12, 14 and 17 mm|Socket wrench with extension|Torque wrench (up to 100 Nm)|Ties for springs (if you remove the subframe)|Syringe for pumping out power steering fluid|New clamps for boots|Lubricant for CV joints (Molykote or similar)|rags and carburetor cleaner-->

Also prepare your workplace:

  • 🚗 Raise your car lift or overpass (a jack is not suitable - reliable fixation is needed).
  • 🔌 Disconnect the battery (on Murano with EPS this is mandatory to avoid short circuit).
  • 🧹 Clean the rack and surrounding parts from dirt (sand getting into the new rack will shorten its service life).

If you have Murano with hydraulic booster, prepare in advance:

  • 💊 1 liter power steering fluid (we recommend Nissan PSF or Motul Dexron III).
  • 🔧 Kit for bleeding the system (you can use a vacuum pump).

On vehicles with EPS Additionally you will need:

  • 💻 Diagnostic scanner (Launch X431 or Consult-III Plus) to reset errors.
  • 🔋 Power supply 12V (with battery disconnected).
⚠️ Attention: If you have never worked on a steering wheel, it is better to entrust the replacement to professionals. Errors during assembly (for example, incorrectly tightening subframe bolts) can lead to loss of control of the car at speed.
What happens if you don’t bleed the power steering system after replacing the rack?

If you do not remove air from the system, the liquid will foam, which will lead to uneven operation of the amplifier (the steering wheel may “twitch”) and accelerated wear of the new rack. In the worst case, the air lock will block the circulation of fluid, and the amplifier will fail completely.

Step-by-step instructions for replacing the steering rack on a Nissan Murano

The replacement process differs depending on the type of amplifier (power steering or EPS) and year of manufacture. Below is a universal algorithm for Murano Z50/Z51 taking into account typical pitfalls.

Step 1: Removing the old rail

Start with preparation:

  1. Remove negative battery terminal.
  2. Disconnect rotation angle sensor connector (located under the steering wheel, next to the ignition switch).
  3. Drain the power steering fluid (if any): disconnect the hoses from the reservoir and rack, use a syringe to pump out the residue.

Next:

  1. Unscrew steering rods from the rack (use a puller to avoid damaging the anthers).
  2. Remove heat shield (on Murano with gasoline engine VQ35DE it is secured with 4 bolts).
  3. Unscrew bolts securing the rack to the subframe (2 pieces, 14 mm head).
  4. Carefully pull the rack through left wheel (you will need an assistant for support).

On Murano Z51 with EPS additionally:

  • Disconnect control unit connector rack (located on its body).
  • Remove mounting bracket (subframe may need to be removed).

Step 2: Install the New Rail

Before installation:

  • Check complete set new rack (there should be boots, clamps, and sometimes power steering fluid).
  • Apply lubricant onto the steering shaft splines (use Molykote BR2).

Installation is performed in reverse order:

  1. Carefully push the rack into place, aligning the splines with the shaft.
  2. Secure it with bolts to the subframe (tightening torque - 80–90 Nm).
  3. Connect the tie rods (don't forget to install new circlips!).
  4. On power steering: connect the hoses, fill with fluid and bleed the system (see next step).
  5. On EPS: connect the control unit connector and reset the errors using the scanner.

Step 3: Bleeding the power steering system (for power steering)

After replacing the rack, there is air left in the system that needs to be removed:

  1. Add power steering fluid to the level MAX in the tank.
  2. Turn the steering wheel from lock to lock 10–15 times with the engine off.
  3. Start the engine and repeat the procedure (the fluid will foam - this is normal).
  4. Add fluid to the level and check that there is no air in the hoses (they should not be “airy”).

If after bleeding the steering wheel is still “stiff”, check:

  • 🔧 The hoses are connected correctly (mixed input/output will lead to reverse circulation).
  • 🔍 Liquid leaks (a common problem is poorly tightened clamps).
💡

On Murano with EPS after replacing the rack, be sure to perform calibration of the rotation angle sensor through a diagnostic scanner. Without this, the steering wheel will “float” or turn spontaneously.

Adjustment and check after replacement

Even after correct installation of a new rack, it is required adjustmentto eliminate backlash and ensure smooth running. On Nissan Murano it's done like this:

  1. Backlash check: With the engine off, rock the steering wheel left and right. The play should not exceed 5–10 mm (if more, tighten the adjusting screw on the rail).
  2. Alignment check: The wheels should be level when the steering wheel is straight. If not, adjust the length of the tie rods.
  3. Test drive: Drive in a straight line and around turns, paying attention to:
    • 🔄 Smooth steering wheel rotation (there should be no jerking).
    • 💨 No extraneous noise (creaks, knocks).
    • 🚗 Trajectory stability (the car should not “steer” to the side).

If problems are found:

  • 🔧 Knock when turning — check the tightness of the rack bolts and the condition of the boots.
  • 🔄 Tight rotation - bleed the power steering system again or check the voltage at EPS (should be 12-14V).
  • 🚗 Moving to the side - execute wheel alignment (required after replacing the rack!).
⚠️ Attention: On Murano Z51 with EPS after replacing the rack an error light may appear C1130 (torque sensor malfunction). To reset it, follow these steps:
  1. Connect the scanner and clear the error.
  2. Turn off the ignition for 10 seconds.
  3. Start the engine and turn the steering wheel all the way to the left, then to the right.

Cost of replacing the steering rack in the service

The price of work depends on the type of amplifier, region and level of service. The average cost in Russia in 2026 looks like this:

Type of work Power steering (Z50) EPS (Z51)
Replacing the rack (without spare parts) 8 000 – 12 000 ₽ 10 000 – 15 000 ₽
Replacing rack + power steering fluid 10 000 – 14 000 ₽ —
Diagnostics + EPS calibration — 3 000 – 5 000 ₽
Wheel alignment 1 500 – 2 500 ₽ 1 500 – 2 500 ₽

Total turnkey cost (with spare parts):

  • 💰 Power steering: 35,000 – 60,000 ₽ (original) or 25,000 – 40,000 ₽ (analogue).
  • 💰 EPS: 40,000 – 70,000 ₽ (original) or 30,000 – 50,000 ₽ (analogue).

Where is it cheaper?

  • 🔧 Official dealer: expensive (up to 20% markup on spare parts), but the warranty is 1–2 years.
  • 🔧 Independent service: 30–40% cheaper, but check reviews and availability of equipment for EPS.
  • 🔧 On your own: savings of up to 50%, but only if you have experience and tools.
💡

If your budget is limited, consider repairing an old rail. There are workshops in Moscow and St. Petersburg that restore slats Nissan (price - from 15,000 ₽). The quality depends on the master, but with the right approach, a repaired rack lasts 50,000–80,000 km.

Common replacement mistakes and how to avoid them

Even experienced craftsmen sometimes make mistakes that lead to repeated breakdown of the rack or incorrect operation of the amplifier. Here are the most common:

  • 🔧 Incorrect bolt tightening attaching the rail to the subframe. Consequences: vibrations on the steering wheel, play.
    ⚠️ How to avoid: Use a torque wrench (torque - 80–90 Nm).
  • 💧 Saving on power steering fluid (use of cheap analogues). Consequences: accelerated wear of seals, foaming.
    ⚠️ How to avoid: Fill only Nissan PSF or Motul Dexron III.
  • 🔌 Damage to EPS connector when disconnected. Consequences: error C1130, non-working amplifier.
    ⚠️ How to avoid: Disconnect the connector only when the battery is turned off.
  • 🔄 Unpumped power steering system. Consequences: tight steering wheel, jerking when turning.
    ⚠️ How to avoid: Bleed the system for at least 15 minutes until the fluid stops foaming.

Another typical problem is incompatibility of spare parts. For example, a rack from Murano Z50 not suitable for Z51 with EPS, even if visually they are similar. Always check with VIN code car when ordering parts.

If, after replacing the rack, new symptoms appear (for example, the steering wheel turns on its own while driving), the probable causes are:

  • 🔧 Incorrect calibration EPS.
  • 🔧 Damage to the rotation angle sensor.
  • 🔧 Malfunction of the amplifier control unit.

FAQ: Frequently asked questions about replacing the steering rack on a Nissan Murano

Is it possible to drive with a knocking steering rack?

Short term - yes, but it's not worth the risk. The knocking noise is usually caused by wear on the gear pair or bushings, which can cause the rack to jam while running. It is especially dangerous to ignore the problem at speeds above 80 km/h.

How long does it take to replace a rack?

Service time: 3–5 hours (depending on the type of amplifier). When replacing it yourself, it takes beginners 6–8 hours, and experienced craftsmen — 4–5 hours.

Do I need to do a wheel alignment after replacing the rack?

Definitely! Even if you haven't touched the tie rods, the new rack may shift the wheel alignment slightly. The cost of camber is 1,500–2,500 rubles, but it is cheaper than new tires due to uneven wear.

Can the rack be repaired instead of replaced?

Yes, but only if the damage is non-critical (for example, wear of oil seals or bushings). A complete repair with replacement of a gear pair will cost 15,000–25,000 rubles, but There is no warranty for this rack. For EPS repair is not recommended - the control unit is often beyond repair.

Why did the steering wheel become stiff after replacing the rack?

There are several reasons:

  • The power steering system is not pumped (you need to repeat the procedure).
  • Faulty power steering pump (check pressure with pressure gauge).
  • On EPS — low voltage in the on-board network (check the battery).