Nissan Sentra

What could cause a 1990 Nissan Sentra GXE to make a whining noise that gets louder while idling?


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2004-07-10 10:59:05
2004-07-10 10:59:05

It could be a vacuum leak in the throtle body or intake manifold. Get some carb cleaner and check it. Be careful as the cleaner is flamable.GoodluckJoe

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This vehicle is notorious for a "whining" noise. The slower you drive, the louder it is. At first I thought our power-steering pump was going, or the transmission was whining. Two mechanics told me it's normal. Just a quirk with Dodge/Chrysler products. I had that whining noise and it was the alternator making the noise through the radio. even when the radio is off. Just a thought.

A plane sounds much louder landing than on take-off. A single engine land plane revs up the engine to maximum power for take-off and climb-out. Maximum power equates with maximum noise. While landing, the same aircraft typically has the engine idling. Idling equates with minimum noise.

It sounds like the power steering pump to me. my guess would be that you have a bad or loose belt ( sliping ) or you have a pully that is gonna either come flying off or lock up completely....neither is good. also a tight belt can cause the whine if it is tight the whine could be coming from the pulley bearings (alternator etc)

For me it was the idler pully. A pretty cheap part. $15 I think. And only an hour or so to change. The problem was the bearing in it was shot. It would make a whining sound that got louder/higher pitch as the engine revved higher.

Check the power steering pump for the cause of the noise. I sounds like the pump is causing the whining and is either low on fluid or possibly going bad.

The whining sound may be the bearings in the alternator and they may be seizing up or draging and possibly your belt is slipping on the pulley. Do you have a voltage gauge in your instrument panel? Or just a warning light like a picture of a battery?

If a bearing is bad, You will hear a whining noise from the bad bearing. Try to listen if it is up front or back. The noise will get louder as you go faster. Turn left and right to determine what side the bad bearing is on. If you turn left and the noise gets louder, the right bearing is bad, turn right and the noise gets louder, the left bearing is bad.

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the whining comes from the gears in the transfercase. The gears are larger and smaller dependin on what range your in and the noise is typical notice the rpm to whine ratio, however if the noise is extremely noticeable you may want to check the gear oil in the tcase it may be low. The more the gears become worn the louder the whine will become. Just as a manual trans. is the same.

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hello it sounds like a bad water pump. I changed my power steering pump thinking that was it but it was the water pump real high pitched whine got louder with rpm.

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In children, learned behavior can be both good and bad. An example of a bad learned behavior is whining until they get their own way. If you give in to the whining, the child will learn that whining will win. Eventually, you as the parent will be able to stand the whining and hold the child will whine longer or louder. And if you give in to that, they learn that eventually my parent will give in. And as your resolve to hold out, the child will escalate to crying, temper tantrums, running away, etc....because he/she knows you will eventually give in. An example of a good learned behavior is manners. Children are not born with good manners. They are taught by example, gentle reminders, etc. Positive reinforcement goes a long way with manners.

when warmed up high pitch noise at idle and it gets louder during acceleration Response to : Can someone actually answer this question? This is my question and the above answer makes no sense.

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sort of like a humming? wheel bearings dude! if it starts humming at about 30mph and just gets louder faster you go, its the wheel bearings. and get used to it, i have blown 4 on my ion 3

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