still bad float vibration, what to do next? *Fixed*

Started by Paul_Elbisser, May 24, 2004, 09:56:26 PM

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Paul_Elbisser

May 24, 2004, 09:56:26 PM Last Edit: June 13, 2004, 06:38:02 PM by Paul_Elbisser
Where do I look now? The thing runs smooth when I give it gas, or let off. But in the middle I get a bad vibration. Is there any way I should go about trying to pin point it? Or just take the trans out and see if it is the input bearing?

W56 dual cases
CV in the rear drive shaft, it all feals tight.
Replaced the coupler, and changed rear case with anouther case I had in the basement.
Paul Elbisser
PastTLCA Eastern Rep,
Pres. Rice on the Rocks
One of Those Guys

84runner

#1
May 26, 2004, 09:50:21 AM
Are we talking about driving down the road  :headscratch: u-joints , balance tires , bad tread on tire , bad pinion bearings , got your front hubs locked in , out put shaft bearing , bad motor mounts. Is the engine missing ? Need more info
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Paul_Elbisser

#2
May 26, 2004, 12:50:21 PM
 Driving down the road. not noticeable till I get to 45 mph. bad at 60mph.

my next step is to take the driveshaft off and check it out. It feals fine on the truck, but it may have a small worn spot. I chechked the CV end when I had the Tcase off. But I didn'tt ake the pinion end off
Paul Elbisser
PastTLCA Eastern Rep,
Pres. Rice on the Rocks
One of Those Guys

Marlin

#3
May 26, 2004, 10:45:54 PM
Paul, is your pinion pointing at the output flange of the rear case?
Sounds like you have a bad pinion angle.

Marlin
1980 Toyota - 1997 3RZ-FE 2.7l Engine, Turbo R151F 4.31:1, Triple Turbo Marlin Crawler Billet (2.28x4.70x4.70) = 1,148:1 Crawl Ratio, Marlin Crawler Twin Stick and Short Throw Shift Kits, 30mm H/D Output Shaft, High Angle Drive Lines, 5.29:1, ARBs, High Pinion Front, 25mm HD Billet High Steer Kit, 6 Pin Locking Hub Bodies, 86+ Wide Rear End, V6 3rd member, Chromolly Axles all around, 37" IROKs with Beadlocks, York onboard air - Rollbar air tank, Premier Power Welder, Marlin Crawler 4" USA-made Leaf Springs, Bilstein Shocks, et cetera....

Paul_Elbisser

#4
May 27, 2004, 12:01:44 AM
I got a little angle in it, but not alot. I am not running a track bar anymore, but I do have a CV. How much should I have? don't I need some so when I get a little axle wrap I have 0 angle? I am running a mazda leaf pack.
Paul Elbisser
PastTLCA Eastern Rep,
Pres. Rice on the Rocks
One of Those Guys

BLUCRUZ

#5
May 27, 2004, 06:12:36 AM
If I remember right, Jesse @ highangle told me no more than 2* up or down but 2* up was better on the rear. I had my rear at about 8* down and got a similar vibration at speed to what you described.  I welded shims on the springs perches and it went away. Try to get your pinion pointing at the t-case
72 FJ40. 350 Multiport EFI, turbo 400, ORION T-case, 35 Procomp's  disk brakes front & rear, ARB's F&R and an onboard shower for the ladies!
86 sr-5 4runner SAS conversion. E-lockers F&R, 5.29's 4.7 Marlin case.

Paul_Elbisser

#6
May 27, 2004, 09:04:19 AM
your talking driveshaft pointing 2* up, am I corect?
Paul Elbisser
PastTLCA Eastern Rep,
Pres. Rice on the Rocks
One of Those Guys

Paul_Elbisser

#7
June 13, 2004, 06:35:27 PM
It's Fixed!!! :thumbs:

I checked the rear angle and it was about 15*. So I made some 10* shims and welded them to the axle. now I am around 5*. runs smooth on the highway. I'm happy!

I used an adjustable angle inder on the fins of the dif, to the centerline of the drive shaft. S
i could be off a little. But if it's running smooth who cares what is exact.
Paul Elbisser
PastTLCA Eastern Rep,
Pres. Rice on the Rocks
One of Those Guys

84runner

#8
June 13, 2004, 10:56:35 PM
Right on gald to hear that  :thumbs: and I'm sure that somewhere along the way when it flexes the angle is probably right on  :yupyup:
RUBICON TESTED BIG BALLS APPROVED
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