Question about 2007 Lincoln Aviator

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2004 lincoln aviator having a strange whining noise from the engine

I have a 2004 aviator and now i hear a strange whining noise. noise will increase when I accelerate. Sound is coming from below where we add the power steering fluid. Can you help me figure out what this is? does anybody have similar problems with the aviator?. The sound is an airplane whining.

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  • AJ1234 Nov 22, 2008

    I have an 04 Aviator as well and have started getting exactly the same symptoms. Were you able to fix/isolate the problem?



    Will appreciate if you can email me at ashish_julka@yahoo.com.



    Thanks, Ashish

  • rehbe2 Feb 26, 2009

    I have a 2003 Avaiator with 80000 miles on it. I have a winning noise that sounds to me like the power steering pump is going. I have not taken action on repairing it yet but I find it interesting that other people have the same problem. I also have a growling noise coming from the rear. It sounds like a bearing of some sort. Has anyone experenced that?

  • Mario Timmons Jan 08, 2014

    i have an 04 and I'm not exactly sure what it is yet but i was told it is the tension pulley loosened

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I have an 03 and around 30,000 miles the same thing happened to me . I took it to the dealer and the replaces the idler pully wich is what was making the noise .hope this helps you

Posted on Dec 21, 2008

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  • Master
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It sounds like a bad bearing on either a alternater, the power steering pump, the a/c clutch,or an idler/belt tensioner for the serpentine belt. lift the hood star the vehicle and turn a/c on have someone run the engine to 1500-2000 rpm you should be able to hear which one of these is the proble and have it replaced. hope this helps. please rate this solution. thanks

Posted on Aug 31, 2008

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I had the same sound on my 2003 Aviator (58k miles). It changed pitch with engine speed. It turned out to be a bad idler pulley (had slight play in it), but I couldn't really tell which one with the belt on. So I ordered all 3, plus the belt tensioner ***'y, plus the serpentine belt, and spent a few hours replacing all of them. The dealer estimated $600; I spent about$130. Rented the belt tensioner tool kit from Autozone. I'm just an amateur, but it fixed the problem.

Posted on Apr 06, 2013

  • bobbyac Apr 06, 2013

    I had the same sound on my 2003 Aviator (58k miles). It changed pitch with engine speed. It turned out to be a bad idler pulley (had slight play in it), but I couldn't really tell which one with the belt on. So I ordered all 3, plus the belt tensioner ***'y, plus the serpentine belt, and spent a few hours replacing all of them. The dealer estimated $600; I spent about$130. Rented the belt tensioner tool kit from Autozone. I'm just an amateur, but it fixed the problem.

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  • Lincoln Master
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Wow...
that's a very interesting bunch of Easter eggs to hunt...

If you all want to just start stabbing at all the bearing
possibilities ... you are off to an impressive start...

Needless to say... ISOLATING the "noise" is
of paramount importance...!!!

A real MECHANIC would use a stethoscope to listen to
the various items... If you are really careful... old time mechanics just used a long stick or dowel (so long as it was kept out of the many pulleys and fan blades...
I was NOT AS LIKELY TO GET JAMMED STRAIGHT
THROUGH THOSE EARS... at a very high rate of speed.
(stethoscope is just worlds safer)

You all left out the A/C pump... & clutch... water pump

Not accounting for ALL internal engine bearings...

Notwithstanding my EVERY comment to the CONTRARY...

Would that I was in this SPOT... and needed quick answers
I'd seriously consider taking it to a reputable mechanic.

Hope this helps...

Posted on Dec 01, 2016

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I have a 2004 lincoln aviator that is having the exact same problem and we just took it to brake masters and so far our power steering pump is broken...apparently. Anyone have any ideas as to what is going on!

Posted on Aug 30, 2009

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Whining sound and lost acceleration. Sounds like noise coming from pully? Whining increases when pressing the gas.


The lost acceleration is of major concern. Maybe you have lost your water pump. It would work great for a few miles when you start out and then gradually heat up and loose performance. The fluid would eventually boil over? Maybe a bearing on the camshaft is expressing it's discontent and causing extra load for the engine to overcome. Try to determine where the noise is coming from.
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Check the serpentine belt for wear. May indicate pulley misalignment or wear. There exists two idler pulleys that have small bearings that wear out and squealing noises. Check those for wobble with the tension off the belt. They are pretty cheap so replace them if any concern at all.
Power steering pumps cavitate and make a high pitch gear whining sound if fluids are low or gears warn of. Check the fluid and top off to the correct level.
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