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Bad transmission mount? Bulging, movement

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Old Sep 13, 2020 | 04:03 PM
  #1  
Jeff Blake's Avatar
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Pro Wrench
Joined: May 2016
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From: Lake Tahoe
Default Bad transmission mount? Bulging, movement

Diagnosing a low pitch rotational vibration at slow speeds that skips (slow vibe), not constant. Transfer case output flange nut was loose, thought for sure that was it (bearing still seems good, but likely been driving on it loose for ~2k miles...) but still there after tightening. Will look at rotors and pads next. Driveshaft u-joints all look good, though the one on the front diff end has an ever so slight side to side play.

I hooked up a Chasiss Ear to the front diff flange, both tcase flanges, and rear diff flange, couldn't really detect any odd noises.

Here's the video. The mount is bulging a bit. In the video I am pressing upwards with hand on trans brake and drive shaft, pushing upward. About 1/2" of movement.

https://www.youtube.com/watch?v=aqEJ...ature=youtu.be

This is the RH mount on the transfer case. Needs to be replaced?

Edit; pulled front drive shaft, no change.
 

Last edited by Jeff Blake; Sep 13, 2020 at 05:31 PM.
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Old Sep 30, 2020 | 01:28 PM
  #2  
HunterdonCounty's Avatar
Overlanding
Joined: Sep 2020
Posts: 18
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From: Flemington, NJ
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Jeff,

Did you solve? Just received new transmission mounts today from Lucky 8. Mine is deformed plainly on RH.

 
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