Question about 2008 Dodge Avenger

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I have a slight rattling noise that appears to be coming from the passenger side of the engine in my 2008 Dodge Avenger...sound gets louder if the ac is on. Also if i have a constant speed and take my foot off the gas, the engine make a high pitch sound, similar to a jet engine shutting down. Hope you can help...thanks in advance

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: When car idles seems normal

Check for bad A/C compressor, A/C Compressor clutch, loose belt.  

Posted on Nov 04, 2008

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  • 1 Answer

SOURCE: loud engine whine (like a jet noise) from 2002 subaru forester

Have you crawled under the vehicle and personally inspected your exhaust line from manifold to tail pipe? The roaring sound usually occur when there is a hole in the exhaust line. I had it happen to my forester before. A hole half the size of a dime made my subaru sound like my old 74 chevy pickup.

Posted on Dec 27, 2008

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

broii4x4
  • 13 Answers

SOURCE: Replace Bulbs in Headlight. 2008 Dodge Avenger

there is 2 bolts on top 1 top outer and 1 top front behind grill, u need to remove the top center black cover and 1 bottom side outer need to remove the inner finder liner to get to the 3rd bolt.
hope that helps, it is stupid

Posted on Mar 23, 2009

Molson02536
  • 3854 Answers

SOURCE: 2004 Dodge Ram 1500, 4.7L V8, rattle/knock

If it's doesn't sound like it's your engine which i am thinking not. Check to see if there any heat shield that may have come lose, like the heat shield to the spark plug wire or heat sheild along the down pipe. 
Good luck and hope this was the rattling your taking about as it heats up it expands and tighten's up.

Posted on Apr 10, 2009

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Lould roring


It would, in the differential on each side, where the axles come in. Does the roaring noise get louder with road speed, and does it seem to come from one side more than the other? If so, it's probably a wheel bearing. Carrier bearings are possible also, but road-speed-dependent noises like that more often turn out to be wheel bearings than carrier bearings.

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