Pulsation in overdrive - Page 2 - JeepForum.com

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post #16 of 20 Old 05-15-2013, 03:07 PM
ratmonkey
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Quote:
Originally Posted by speedbucket View Post
i've had this same thing for 75k miles with no change in ti
wwwwwwwwwwwwwwwwwwooooooooooooooooooooooooooowwwww wwwwwwwwwwwwwwwwoooooooooooooooooowwwwwwwwwwwwwwww ooooooooooooooowwwwwwwwwwwwwwwwwwooooooooooooooooo ooowwwwwwwwwwwwwwwwooooooooooooooooowwwwwwwwwwwwww wwwww
sounds like that^ no rpm change no felling in the seat, i just figured it was harmonics of the drivetrain. it makes me sleepy



your's probably is the mount. there was a TSB on the transmission mount causing a harmonic vibration at 1500rpm at highway cruising speed.


'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #17 of 20 Old 05-15-2013, 03:16 PM
tucsonzj
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Quote:
Originally Posted by ratmonkey View Post

your's probably is the mount. there was a TSB on the transmission mount causing a harmonic vibration at 1500rpm at highway cruising speed.
Tsb? And would you assume same for mine?

His:00 TJ "Fiona" stuff/stuff/stuff
95 ZJ 3.5" w/242 swap-Sold
Hers: 15 JK Sahara-3" Teraflex
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post #18 of 20 Old 05-15-2013, 03:46 PM
ratmonkey
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the TSB (technical service bulletin) applies to the old longitudinal trans mount the early zj's had 93-95. i believe the fix was to update to the late style mount and crossmember.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #19 of 20 Old 05-15-2013, 07:52 PM
speedbucket
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Originally Posted by ratmonkey View Post
the TSB (technical service bulletin) applies to the old longitudinal trans mount the early zj's had 93-95. i believe the fix was to update to the late style mount and crossmember.
I was going to make a new support with two longitudinal bushings spread about 6" out when I do my flat belly x member. See any issues with this?

http://www.jeepforum.com/forum/f22/speedbuckets-zj-build-1361322/
V8 zj at 6" . Double tri rear and true 3 link front. Stretched to 108"
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post #20 of 20 Old 05-16-2013, 06:13 PM
ratmonkey
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might get more harmonic vibes that way.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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