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internal88
internal88, ASE Certified Technician
Category: Nissan
Satisfied Customers: 2558
Experience:  I have been working in the technican for over 15 years. I am an expert in diagnostic.
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Wierd engine noise ,sounds like whining ,gh pitched hum.

Customer Question

Wierd engine noise ,sounds like whining ,high pitched hum. 127,000 belts and hoses seem o.k. Definitely increases in volume when you step on the gas. No leaks and runs/drives fine h,have had since new and just gave to collage daughter.
Submitted: 1 year ago.
Category: Nissan
Expert:  internal88 replied 1 year ago.

Hello, I'm Brandon - Nissan tech.

First thing first you need to replace the belt. This is the most common area that make that high pitch noise.

Expert:  internal88 replied 1 year ago.

Once you identify where the noise is coming from it could be the AC pulley or the belt tensioner.

Expert:  internal88 replied 1 year ago.

These are common area tat make noise and increase in volume.

Expert:  internal88 replied 1 year ago.

Please rate me positive for the prompt service. Let me know if you have further question. Thank you!