Question about 1998 Chevrolet Corvette

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Whining or hissing noise from rear area of 1998 chevrolet corvette

Loud humming / whining noise comes from the rear area of car (seems to be outside and not from speakers). Also noise seems to go up and down in volume with the turn signal on but the stereo does not need to be on as the noise is there as soon as you start the car. From what I've gathered it could be from the alternator. Is that true?

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  • Chevrolet Master
  • 2,824 Answers

If the alternator has a bad bearing or bearings it would likely make a noise.

Posted on Oct 18, 2017

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5 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 231 Answers

SOURCE: 1989 corvette, engine noise coming thru stereo speakers,

hissing soud is from the altenator ( not a big deal ) have a noise reducer installed or have the stereo rewired for it's power wire from a different location. Very common thing that happens by do it your selfers.

As for oil temp I'm not sure what it should be on thatcar but is it oil tem or oil pressure?

Posted on Oct 07, 2008

  • 491 Answers

SOURCE: My factory stero does not work in my 1991 corvette

RECHECK THE WIRING TO SPEAKERS AND CHECK THE STERO IS COMPATIBLE TO WIRING.

Posted on Oct 21, 2009

bbbman78
  • 681 Answers

SOURCE: Loud humming/whining noise coming from engine

Remove the serpentine belt and check the pulleys on the front of the engine. There may be a bad idler pulley or other component. Replace the serpentine belt if it hasn't been done in a few years.

Posted on Mar 06, 2010

Testimonial: "That was crazy fast! I didn't post the question more than a half hour ago and I already have a solution to try. Thank you for the speedy response guys"

edwardafzal
  • 112 Answers

SOURCE: Having a whining noise in

Hope this helps, it it does please leave feedback and vote Thank You and Good Luck


NFORMATION Bulletin No.: 06-08-44-015B
Date: May 12, 2009
Subject: Information on Eliminating Noise in Audio System When Using Portable Playback Device
Models:
2010 and Prior GM Passenger Cars and Trucks (Including Saturn)
2010 and Prior HUMMER H2, H3
2005-2009 Saab 9-7X Supercede:This bulletin is being revised to add model years. Please discard Corporate Bulletin Number 06-08-44-015A (Section 08 - Body and Accessories). Some portable audio equipment may be susceptible to certain types of electronic noise present in the vehicle's 12V power outlet.
Here are two ways to eliminate this type of interference:
- If the audio device is capable of being self-powered (battery), use it that way instead of plugging it into the vehicle's power outlet. - Have the customer purchase a Ground Loop Isolator, such as *Radio Shack Catalog #270-054. This device plugs in between the radio and the customer's audio device. It is packed with one included Y-Adapter. If purchasing the *Radio Shack product, you will require an additional Y-Adapter (Catalog #274-369). This device should be installed between the audio player and the AUX input of the vehicle radio. These catalog numbers are stocked nationally at *Radio Shack Retail Stores in the U.S. and are currently available. Other similar products are available through other electronics or car stereo retailers defined as Ground Loop Isolators. Parts Information
Parts are currently available nationally in the U.S. through *Radio Shack retail locations or through the mail at Radio Shack direct ordering 1-800-843-7422. In Canada, parts are available nationally through *The Source By Circuit City retail locations or at www.thesourcecc.com.
148924792
*We believe these sources and their products to be reliable. There may be additional manufacturers of such products/materials. General Motors does not endorse, indicate any preference for or assume any responsibility for the products or material from these firms or for any such items that may be available from other sources.

Posted on Jan 02, 2011

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