Droning Sound/vibration!!
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Fleet Mechanic
Joined: Nov 2004
Posts: 1,427
Likes: 10
From: Templeton, Massachussetts
Droning Sound/vibration!!
i just bought my '96 in june, have driven alot of others though. mine is and auto w/ 149,500 on it. between 1200 & 2000 rpm i notice an annoying droning sound that you can even feel in the floors too.
it will do it even in nuetral. thought it might have been a motor mount, but they are tight and not cracked.
i found a TSB that sounded similar but it said to install a revised motor mount on the left side.
the dealer i use had never sold the revised part# or heard of the problem either.
i was wondering it it was the TC too.
the only other thing that i see that need to be changed are the rear cab mounts. they appear to be ballooned-as the steel sleeves are rotted inside them. but i find it hard to believe that they are the culprit.
ANY suggestions are appreciated.
it will do it even in nuetral. thought it might have been a motor mount, but they are tight and not cracked.
i found a TSB that sounded similar but it said to install a revised motor mount on the left side.
the dealer i use had never sold the revised part# or heard of the problem either.
i was wondering it it was the TC too.
the only other thing that i see that need to be changed are the rear cab mounts. they appear to be ballooned-as the steel sleeves are rotted inside them. but i find it hard to believe that they are the culprit.
ANY suggestions are appreciated.
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Fleet Mechanic
Joined: Nov 2004
Posts: 1,427
Likes: 10
From: Templeton, Massachussetts
Originally Posted by wycowboy
is it while driving or sitting.??
it is quiet at 45-50 mph because it is in OD. but once you speed up a little more it comes back.
it is very REGULAR.
1200-2000rpm
Elder User
Joined: Mar 2004
Posts: 835
Likes: 0
I dont have any ideas yet. what trans do you have, auto right? when was the last time you changed the fliud&filter? may be you can have some one inside keeping it at the right rpm to make the niose and you can crawl around underneith tringto find it. good luck J
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