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2001 Mazda Tribute Question: Whistling noise from beneath hood when accelerating/ stops when brake is applied.

 

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mage2001, 3.0L V6, Minneapolis, MN, June 29, 2009, 13:14
 Rookie

I have a high pitched whistling (think Tea kettle) that occurs, randomly when the vehicle has been running for a while, or may start right off the bat. The whistling will stop when the brakes are applied and will not start again until you accelerate. no issues with braking or acceleration performance. Mechanic said - no safety issues but doesn't know what is causing the noise. Anyone have any ideas?

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, June 29, 2009, 13:44
     Master

    This is probably related to a vacuum leak. It may be the brake booster, so have your mechanic disconnect and plug the booster vacuum hose and see if the noise goes away (do not drive with this hose disconnected). Check all the vacuum hoses on the engine as well. Let me know what you end up finding.

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    Visitor, June 08, 2010, 11:17

    I had this exact same problem. It turned out to be the intake manifold gasket that needed replacement.

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    Visitor, June 08, 2010, 11:50

    yep... took it to another shop and that's what it was. thanks for the reply

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    Visitor, June 28, 2010, 00:24

    how much did that cost?

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    Visitor, July 03, 2010, 07:40

    Wondering the same thing, how much?

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