Infiniti Power Steering Noise: Official Repair Solution for QX60 & JX Models
Owners of certain Infiniti luxury SUVs may experience an unusual power steering noise that becomes particularly noticeable when the windows are closed. This comprehensive guide explains the manufacturer-approved solution, affected vehicles, and how to get your repair completed under warranty.
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The Power Steering Noise Issue
The reported problem involves audible vibrations from the power steering system in specific Infiniti models. When the cabin is sealed (windows closed), drivers may hear:
- A humming or whining sound during low-speed maneuvers
- Vibration noises that change with steering input
- Increased cabin noise when turning the wheel
Infiniti engineers determined this results from insufficient noise insulation around the power steering pump assembly, allowing vibrations to transmit into the cabin.
Affected Vehicle Models and Years
The following Infiniti models and model years are included in the official service bulletin:
- 2013 Infiniti JX35 (early production models)
- 2014 Infiniti QX60 (all variants)
- 2015 Infiniti QX60 (both gasoline and hybrid models)
- 2014 Infiniti QX60 Hybrid
- 2015 Infiniti QX60 Hybrid
Note: The issue primarily affects vehicles built before March 2015, after which Infiniti implemented production-line modifications.
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Official Repair Solution
Infiniti's Technical Service Bulletin (TSB No. 16-011) outlines the approved corrective action:
- Diagnostic verification of power steering noise
- Installation of specialized noise insulation material
- Precision adjustment of power steering components
- Road test verification of noise reduction
The insulation kit (part number 999M6-XXXXX) consists of high-density acoustic material that dampens vibrations between the power steering pump and vehicle frame.
Warranty Coverage and Repair Costs
This repair is fully covered under:
- New vehicle limited warranty (4 years/60,000 miles)
- Infiniti Elite Extended Warranty programs
- Powertrain coverage for hybrid models
Even if your warranty recently expired, Infiniti may offer goodwill repairs for this known issue - always inquire with your dealer.
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What Owners Should Do
Follow these steps to address the power steering noise:
- Locate your VIN (driver's side dashboard or door jamb)
- Contact an authorized Infiniti dealer's service department
- Reference TSB No. 16-011 specifically
- Schedule a diagnostic appointment
For additional verification, you may also:
- Call Infiniti Consumer Affairs at 800-662-6200
- Check the NHTSA website using your VIN
Understanding Service Bulletins vs Recalls
Unlike safety recalls, service bulletins address non-critical improvements:
| Service Bulletins | Safety Recalls |
|---|---|
| Address comfort/convenience issues | Correct safety-critical defects |
| Typically warranty-covered | Always free repairs |
| VIN-specific applicability | Applies to all vehicles |
Preventative Maintenance Tips
To maintain your power steering system:
- Check fluid levels every oil change
- Listen for early signs of pump wear
- Address leaks immediately
- Have the system inspected annually
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