Question about 1995 Nissan Pathfinder

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Loud wizzing/whistling noise

Whenever i accelerate or decelerate, there is a loud wizzing/whistling noise coming from my car. The mechanic who last had me car over filled the coolant and transmition fluid, could this be the problem? The noise started yesterday, my car has over 130k miles, the odometer stoped at 125,171 miles.

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  • Anonymous Mar 30, 2014

    rubber noise accelerate and decelerate

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I don't know terms or names but i had the same problem. i found for me it was a whistling coming from the black box w/ hose and air filter that is on the right as you look under the hood. I opened it up and re sealed it and the noise is gone. Sorry I don't know the proper names but for me no more annoying whistle while the engine revs.

Posted on Jan 06, 2009

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Try and look at the belts, if they are wore out replace them

Posted on Oct 27, 2008

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1 Answer

I have a 1999 e150 for van when I let off the gas. Makes a noise what is that


could be any number of things as a noise cannot be described
if it is a whistle sound that would be a vacuum leak because max vacuum is attained during deceleration or taking the foot of the accelerator
the leak could be from a faulty brake booster, vent controls , loose manifold and cracked hoses
other noises can be from broken engine mount rubbers, faulty exhaust mount rubbers, fan over run ( wind noise )
I suggest that you take it to a service dealer or accredited service shop and take the mechanic for a drive and tell him when you hear the noise so that he knows what he is listening for.

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Sounds like air is shooting out when accelerating. Could this be an exhaust leak? Plugs, coils, hoses seem fine. Noise is coming from passenger side under engine sounds like.


yes could very well be an exhaust leak.but that should be kinda loud and annoying..also u could have a slight whistling sound coming from ur air intake hose coming from air cleaner box to ur intake or throttle body or ur air inlet goin to the motor. when the motor is accelerated it would produce a high pitch sound like a whistling .hope this can help

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On occasion s loud whistling noise is heard from under the hood. If decelerate it stops. Usually happens drive on an incline


you may have a belt slipping and when you go up a hill and put more strain on the engine the more it slips and causes the noise. I would check belts make sure none are loose or look extremely worn

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I own a 2001 Mitsubishi Galant. At highway speeds I hear a loud winding noise coming from what sounds like the right front of the car. And also a whistling noise on deceleration.


sounds like you have an hole where air is blowing past. check for any missing screws or holes. if a mounting brace for any hoses or pipes that run under the vehicle have come loose they could whistle as well. if the noise during deceleration only happens when you brake then it's time for new brake pads.
hope this helps
gord

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Locate radiator cap


A whistle noise is usually a vac leak.
The cap is where you fill the tank with coolant.

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Check vacuum hoses in area where you think it's coming from, for being disconnected or cracked.

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Good Luck

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