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Old 07-04-2006, 07:50 AM   #1
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slight tranny vibration

Just had a lift put on my jeep and since then I have a slight tranny vibration when I start from a dead stop and I can feel it when my foot is in the gass...when coasting no vibration.....any thoughts?

4"RE spring-over/ 33x12.5 bfg at/ta

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'93 sahara, spring-over lift, BFG at/ta 33x12.5, and no vehicle is complete without XM sat. radio

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Old 07-04-2006, 11:28 AM   #2
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well if its just slight then everything could be ok

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Old 07-04-2006, 12:47 PM   #3
coilovers are damn flexy
 
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More than likely your vibration is coming from your driveshaft. If you still have the slip yoke style, it is most probable. Did you drop your skid plate any, with the lift? If not, you probably need too. Or you can go with the SYE kit, and get a longer rear drive shaft. It is the more expensive fix, but in the long run, the best. If you have an auto tranny, you may want to go with a double cardon type yoke, at the t-case.
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Old 07-04-2006, 01:42 PM   #4
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jus playin earlier but if u got a lil vibration u can always drop the skid plate with washers...ur thing says u got a spring over so i doubt that u have the skid plate dropped so u can always get a transfer case lowering kit...but like bluvikng said, the sye and new driveshaft will be more expensive...but definitely the best
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Old 07-04-2006, 06:14 PM   #5
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http://www.jeepforum.com/gallery/fil...veshaft003.jpg

this is the pix of the driveshaft.......it has the washers on the skid plate and on top of the tc so I know it was lowered...some. doing the measuring... the driveshaft is 25 degrees+/-
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if you are standing on the north pole and every direction is south.....then which way does the sun rise and set

'93 sahara, spring-over lift, BFG at/ta 33x12.5, and no vehicle is complete without XM sat. radio

'02 black grand cherokee limited...completely stock...wife wont let me near it with a wrench and a jeep parts catalog .. lol
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Old 07-04-2006, 08:59 PM   #6
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Most U-joints won't last very long running more than 20 degrees (that is the maximum recommended by the manufacturers anyways...) You will probably be stuck with some vibrations until you get a CV shaft and a SYE kit in the rear as suggested above. Are the angles at both u-joints the same at both ends? (Axle and t-case) If not, that will give you vibrations as well. Typically with a SOA conversion you get at least 5.5" of lift, and with that much lift, I don't think that you are going to completely get rid of your vibrations unless you go with a SYE kit.
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Old 07-05-2006, 06:10 AM   #7
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ditto sye is the answer

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