Question about 2007 Infiniti M45 Sedan New Cars

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My car engine makes loud sound when i drive

Engine makes loud sound when i drive from the engine and when i slow down and stop while its still in D (drive) the car literally shakes and vibrates and its still keeps making that loud sound from engine . as i speed up the sound get louder . anybody know whats happening ??

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  • 60 Answers

This could be a number of things and a car is difficult to diagnose from sounds as th nature of it means that the sound does not always come from where it sounds like it is. Try - wheel bearings (usually a high pitched squeal) - Big or little end bearings if the engine has been run low on oil. It is an auto I assume so could be gear box. It could be something really simple like engine mounts and the vibrations of the engine are passing to the metal body as the rubber has come away.

W+Could you possibly video it and post?

Posted on Jun 24, 2014

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

robshow
  • 367 Answers

SOURCE: car makes a squeeling / skweaking noise

It is either your serpentine or another belt such as an alternator belt causing the squeak.

This can be resolved by either replacing the belt or making sure the tension is correct.

If it is a serpentine then replacing it will be necescary if it is alternator belt there are ways to tighten it.

Belt dressing is another temp fix for the squeal. the belts become glazed over time and will squeak and chatter spray some belt dressing on it and the squeak will go away for a while.



How loud is the squeak? 1-10

Posted on Jan 07, 2009

jeffbvegas1
  • 520 Answers

SOURCE: mechanical failure

possible 1 or more fuel injectors failing...best thing to do is actually ohm injector windings and look for 22 ohms(+ or -) of resistance.These fail sometimes as a result of fuel quality especially pertaining to alcohol content in fuel ...anything near or past 10% present in fuel can actuall degrogate the electrical windings inside the injector and causing them not to function ,therefore not providing fuel to its cylinder hence cylinder mis fire missing and extreme lack of power...good luck

Posted on Jun 28, 2009

cooper0365
  • 347 Answers

SOURCE: engine puffs blue smoke on morning start up

ok blue smoke is you valve seals in your head.the shaking could be wheel bearing need to check them

Posted on Oct 15, 2009

tmartini8068
  • 2 Answers

SOURCE: After I turn off my car I hear the sound of a motor running and a black tube-like cable vibrates. What is it?

check the temp sencer

Posted on Oct 31, 2013

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