Question about 2003 Lincoln Navigator

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There is a loud noise coming from my engine ..sometimes..

Some times on the road a loud and noise sound comes from my engine..when i let it sit over night, some times the sound will come back on while the engine is off...any suggestion? please, i need help..2003 navigator. thanks

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  • JAmes james
    JAmes james Jan 13, 2009

    the sound is coming from the passenger side,inside the engine,near the tire.it sounds like some broken down air compressor or somethnig. is that normal? oh yeah, it comes on sometimes when the engine is off too. is that ok? thanks.

  • JAmes james
    JAmes james Jan 15, 2009

    thanks for all the help..i got it fix today.

  • Denis Aube May 11, 2010

    what does the noise sound like?

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  • 142 Answers

Oh ok, you probably have air shocks and that is the compressor running... makes sense that it sounds with the engine off... it should not be a loud sound though, normally it's quite quiet and you only hear a faint noise... if it is that loud it's probably a bad compressor

Posted on Jan 13, 2009

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