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Drive train noise

Tiny
JUSTINC1431
  • MEMBER
  • 2015 JEEP LIBERTY RENEGADE
  • 2.4L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 56,000 MILES
This happens specifically between 35-40 mph (fifth gear). If I have driven for a period of time it stops occurring (about an hour). I can feel it in the gas pedal and the sound cuts out immediately when I lift my foot off the pedal. Happens with and without traction control on. In and out of 4wd. It does this in auto/manual shift with even intervals between the noise. You could set your watch to this. Link below to a video I uploaded to YouTube. Anyone able to give some insight as to what might be causing this?

If the attached video doesn't work you can check the video I uploaded to YouTube:

https://www.youtube.com/watch?v=kQ67sYKm3bc
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Wednesday, March 4th, 2020 AT 4:01 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

The first thing that comes to mind is a universal joint. It will give you a vibration on the accelerator pedal as well as noise.

I would have the universal joints checked to see if any are locking up or seized.

Roy
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Wednesday, March 4th, 2020 AT 4:51 AM
Tiny
JUSTINC1431
  • MEMBER
  • 2 POSTS
Seems odd to me that it would only happen when in fifth gear and repeat in a cycle like does. If a u-joint is going bad you don't usually get that kind of specific conditions for the noise? I am doing the tires this weekend and I'll have a look at the u-joints. To me this seems more likely to be related to transmission though.
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Wednesday, March 4th, 2020 AT 5:05 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I understand but if it was the transmission, you would have other issues and it would do it all the time.

Roy
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Wednesday, March 4th, 2020 AT 5:12 AM

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