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Floppy Noise Under Car

Tiny
ALLAN GREENBERG
  • MEMBER
  • 2004 NISSAN MURANO
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 87,000 MILES
I have an 04 Murano SE w/87,000mls. There's been a flopping noise coming from under the car, mainly when I ease off the gas. Initially, the Nissan dealer thought it might be a wheel bearing. When they ruled that out, they did a tire rotation. When the noise continued, they said we needed 4 new tires. Which we got. Unfortunately, the noise is still there. It sounds a little bit like a softer version of when a car rolls over speed bumps on the highway. Could it possibly have something to do with the accelerator or drive train since it acts up when I decelerate?
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Sunday, August 14th, 2011 AT 9:27 PM

2 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Maybe a bad motor or trans mount?
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Sunday, August 14th, 2011 AT 10:49 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Can you actually feel any type of vibration/movement? Maybe it's an exhaust leak/backfire issue? And check all the exhaust heat reflectors for solid mounting.
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Sunday, August 14th, 2011 AT 10:52 PM

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