Question about 2002 Dodge Durango

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Noise while accelerating

While accelerating my car will sometimes make a vary loud vacuum noise. The higher the rpm the more noise it makes. It not a grinding or a high pitched noise, just sounds like a very loud vacuum cleaner and it only does it about 50% of the time the other 50% it runs normal. Also while it is making the noise i have very little power but when it isnt making the noise it runs perfect. I looked under the hood and made sure all the hoses and things were connected tight.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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freetek
  • 5568 Answers

SOURCE: A high pitched whining noise in the engine.

Some questions:
- Does it happen when standing if you raise the RPMs up to 2-3,000? If yes, listen closely to the alternator.
- Is it related to road speed?  If so, then you should put it on a chassis lift, wheels free, then cause it to happen by putting it in gear and raising RPMs to road speed.
I suspect it isn't the acceleration that causes the pitch to change but rather engine RPMs.
You could check this while on the road by starting in a lower gear and noting when the whine is very noticeable, then slip into the next higher gear to see if the whine changes or remains the same. If it remains, it probably isn't related to the engine but to some rotating part(s) outside it (for example, wheel bearings.) If it changes, then the noise is coming from some engine component and alternators can do this when the amperage load is high; it's also a part that turns at a fairly high speed and will 'whine' rather than 'growl.'        

Posted on Jan 14, 2009

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  • 1 Answer

SOURCE: Car won't accelerate

check transmission.it may be low fluid or torch converter..

Posted on Feb 17, 2009

  • 104 Answers

SOURCE: my dakota started to make a clunking or grinding

check motor mounts for play and check steady bearing on driveshaft(in center) and u joints, also have diffrential checked for excessice play bearing noise

Posted on Oct 21, 2009

Icebassman 5
  • 57 Answers

SOURCE: my car makes a loud rumbling noise when i

I believe the bearings in the front wheel are about to come to the end.
Have it checked in a garage.... NOW! otherwise you will be driving on 3 wheels... sooon.
Iceman.

Posted on Nov 10, 2009

  • 1 Answer

SOURCE: 97 dodge intrepid 3.5L has a 1500 rpm high idle,

intake gaskets

Posted on Apr 12, 2010

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