Transmission mount question
Thread Starter
Junior Member
Joined: Oct 2008
Posts: 36
Likes: 0
Year: 1991
Model: Cherokee
Engine: 4.0 6
I usually get such good help here, but no one seems to be able to tell me anything about transmission mounts, whats the deal, is this like fight club? am i not supposed to be talking about it?
Thread Starter
Junior Member
Joined: Oct 2008
Posts: 36
Likes: 0
Year: 1991
Model: Cherokee
Engine: 4.0 6
well to answer that awesome question, the truck makes tons of rattling and vibrational noises, so i am trying to figure out if that is my issue, becasue i have checked or replaced every other rational part listed in these forums as a possible
culprit.
culprit.
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::CF Administrator::
Joined: May 2008
Posts: 10,039
Likes: 16
From: Okc area
Year: 1991
Model: Cherokee
Engine: 4.0 I6
Well if you crawl under the jeep and push around on the tranny around the tranny mount if it's bad you will see movement. You don't have to physically push to hard to tell. If the mount is bad then you will be able to wiggle it and so on.
Thread Starter
Junior Member
Joined: Oct 2008
Posts: 36
Likes: 0
Year: 1991
Model: Cherokee
Engine: 4.0 6
well what would cause my whole engine and exhaust to shake and rattle. i have all new ignition tune up parts and it happens at all times. i jacked up underneath the tranny and it pushed up ,connected by rubber .
CF Veteran
Joined: Sep 2008
Posts: 1,053
Likes: 0
From: Ft. Lewis, Wa
Year: 1987
Model: Cherokee
Engine: 4.0
How does it idle, I thought I needed a new tranny mount too. But after getting my idle back down going into gear is real smooth. Does it jump when you shift gears.
::CF Administrator::
Joined: May 2008
Posts: 10,039
Likes: 16
From: Okc area
Year: 1991
Model: Cherokee
Engine: 4.0 I6
Bad motor mounts and trany mounts can cause the engine/trany to shake or clunk and rattle around when accelerating and hitting bumps..HOw ever if the engine just shakes and idles ruff then it's something else likely.
Renix Super Guru
Joined: Mar 2008
Posts: 24,653
Likes: 19
From: In yourz postez fissin jurr spelinzs
Year: 1990XJ/1989MJ
Model: Comanche
Engine: 4.0L Renix
I put in poly engine mounts and the vibes in my tranny increased at idle and rattled loudly. I put a jackstand under the tranny and unbolted the crossmember and it just fell away. (Solid indicator that the tranny mount is bad) Replaced the tranny mount and put it back together and no more rattles even with poly engine mounts.
::CF Administrator::
Joined: May 2008
Posts: 10,039
Likes: 16
From: Okc area
Year: 1991
Model: Cherokee
Engine: 4.0 I6
good place to buy motor mounts..This is where I plan to order mine soon.. http://browndogindustries.com/c2572-...tormounts.aspx
Last edited by okcjeeper; Dec 4, 2008 at 10:03 AM.


