49001-Q5600 Power Steering Rack For 49001Q5600 NISSAN SENTRA SUNNY B13

Product Function Description

The power steering rack and pinion assembly is a critical component of your Nissan Sentra or Sunny‘s steering system. This hydraulic rack-and-pinion unit converts the rotational movement of the steering wheel into linear motion, turning the front wheels to control the vehicle’s direction. For Nissan Sentra B13, Sunny B13, and Nissan NX models (1991-1994), a properly functioning steering rack is essential for precise steering response, stable handling, and safe vehicle control. This LHD (Left-Hand Drive) assembly is designed to factory specifications, ensuring proper fit and reliable steering performance . The rack has been verified across multiple sources with dimensions of approximately 1125mm in length .

DIY Diagnosis Guide

How to Tell If Your Power Steering Rack Needs Replacement:

Look for these common signs:

1. Power steering fluid leaks – Red/brown fluid under the vehicle, weeping from the rack, lines, or inside the boots

2. Heavy steering – Steering feels unusually difficult, especially at low speeds

3. Notchy or uneven steering – Steering feels rough, notchy, or inconsistent when turning

4. Steering play / clunks – Excessive free play in the steering wheel, or clunks over bumps

5. Uneven tire wear – Tire wear patterns indicating steering alignment issues

💡 Quick inspection: Check the power steering fluid level. If it's low, there may be a leak in the rack. With the vehicle off, turn the steering wheel slightly left and right—excessive play may indicate internal rack wear. Also inspect the rack boots for splits or moisture.

 Product Attributes

 Installation Guidelines

Tools typically required:

• Socket wrench set (metric)

• Torque wrench

• Ball joint separator

• Tie rod end separator

• Flare nut wrench (for power steering lines)

• Safety gloves and eye protection

General installation reference (always follow vehicle-specific service manual):

Important:

• The installation process of a steering rack is complex and must be completed by a qualified mechanic .

• This is a structural and safety-critical component. Proper torque values and installation procedures are essential.

• A professional wheel alignment is required after installation.

• Use the correct power steering fluid as specified in the vehicle manual (Nissan PSF or Dexron III ATF).

• If you are unsure about any step, consult a qualified mechanic.

Common Misconceptions About Steering Racks

Myth 1: "If it's not leaking fluid, the rack is fine."
Fact: Steering racks can fail internally without any external leakage. Play, stiffness, or clunking can occur even without visible fluid loss.

Myth 2: "A wheel alignment will fix uneven tire wear caused by a worn rack."
Fact: A worn rack with play cannot be aligned properly. Replacing the rack is required before alignment will be effective.

Myth 3: "All Sentra steering racks are interchangeable."
Fact: Sentra racks vary by generation (B13 vs B14 vs B15) and drive type (LHD/RHD). This rack is specifically for B13 models (1991-1994) in LHD configuration. Confirm your vehicle's generation and drive type before ordering.

Package Contents

• 1 × Power Steering Rack Assembly

• Protective packaging with part number label

Note: Confirm with your specific seller.

Inspection & Maintenance Recommendations

The power steering rack should be inspected regularly as part of routine maintenance. Signs of leakage or abnormal steering feel indicate the need for inspection or replacement.

Common indicators that the steering rack may need replacement :

Inspection Checklist :

• Check for power steering fluid leaks around the rack and check the rack boots for splits or moisture.

• Check power steering fluid level and condition. If it's dark, burnt, or contaminated, it needs a flush.

• Check for steering play by turning the wheel while the vehicle is stationary.

• Check tie rod ends for play or damage.

Maintenance Tips :

• Replace the steering rack if signs of leakage or internal wear are present.

• When replacing the rack, replace the fluid and flush the system .

• Use Nissan PSF or Dexron III ATF as the correct power steering fluid.

• Flush the fluid every 60,000–100,000 km.

After Replacement Still Having Issues?

Replaced the steering rack but still having issues? Check these :

1. Is the power steering system properly bled? – Air in the system can cause noise and heavy steering 

2. Is the power steering pump working correctly? – A failing pump can cause heavy steering

3. Are the tie rod ends properly torqued? – Loose tie rod ends can cause steering play

4. Is the steering column u-joint properly connected? – A loose u-joint can cause steering play

5. Has the wheel alignment been performed? – Alignment is mandatory after rack replacement

6. Is the power steering fluid the correct type? – Use Nissan PSF or Dexron III ATF

7. Was the system flushed? – Old fluid may contain contaminants 

After-Sales Service & Warranty

This product is covered by our quality assurance. If you have any questions or issues regarding fitment or quality, please contact us and we will respond within 24 hours.

 Related Product Recommendations 

When replacing the power steering rack, it is often recommended to inspect and consider replacing the following related components at the same time.

Power Steering Fluid – Fresh fluid is required after rack replacement. Use Nissan PSF or Dexron III ATF. Flush the system thoroughly when replacing the rack .

Power Steering Pump – The pump supplies hydraulic pressure to the rack. If the pump is failing, steering will be heavy even with a new rack. Inspect for noise and fluid flow.

Power Steering Fluid Lines / Hoses – Inspect the high-pressure and return lines for cracks, swelling, or leaks. Replace if signs of deterioration are present.

Steering Column U-Joint – The u-joint connects the steering column to the rack. Worn u-joints can cause steering play and vibration. Inspect while the rack is removed.