Can worn out motor mounts cause driveshaft vibrations? vibes?
05-20-2011, 09:39 PM
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Can worn out motor mounts cause driveshaft vibrations? vibes?
I'm having some weird vibrations coming from the back end of my jeep when I accelerate or when the automatic transmition switches from 1st to 2nd. I put in a new yoke, driveshaft, and change the u-joints, but no luck 
05-20-2011, 11:23 PM
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Yes. Never seen it cause drive shaft vibes, but vibrations yes. seen it most in 97 up cherokee's. Most of the time they cause a vibration at idle.
Last edited by dweezer; 05-20-2011 at 11:24 PM. Reason: more info
05-21-2011, 02:11 AM
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I had to replace mine, it would do it mainly on light to moderate throttle. hard acceleration nothing and idle nothing. I would also get a tapping sound sometimes when starting from a dead stop. pry on it with a pry bar it shouldn't move up and down much. It also shouldn't be torn at all. most mounts are visually bad. from what you are describing it sounds like a trans mount. but if you replace it might as well do the motor mounts too. its a good practice to replace all the mounts around the same time, as one failing allows it to make the others twist and carry more load then normal.
Last edited by Gorillaxj; 05-21-2011 at 02:13 AM.
05-21-2011, 02:31 AM
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I had to replace mine, it would do it mainly on light to moderate throttle. hard acceleration nothing and idle nothing. I would also get a tapping sound sometimes when starting from a dead stop. pry on it with a pry bar it shouldn't move up and down much. It also shouldn't be torn at all. most mounts are visually bad. from what you are describing it sounds like a trans mount. but if you replace it might as well do the motor mounts too. its a good practice to replace all the mounts around the same time, as one failing allows it to make the others twist and carry more load then normal.
05-21-2011, 02:43 AM
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Originally Posted by Gorillaxj
I had to replace mine, it would do it mainly on light to moderate throttle. hard acceleration nothing and idle nothing. I would also get a tapping sound sometimes when starting from a dead stop. pry on it with a pry bar it shouldn't move up and down much. It also shouldn't be torn at all. most mounts are visually bad. from what you are describing it sounds like a trans mount. but if you replace it might as well do the motor mounts too. its a good practice to replace all the mounts around the same time, as one failing allows it to make the others twist and carry more load then normal.
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