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post #1 of (permalink) Old 08-20-2001, 04:57 PM Thread Starter
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Viiiiiiibbbrrraaaatttiiooonnnsss ????

I've bveen battling a really bad vibe at mostly highway speeds (60 mph). It seems like the whole sami wants to shake apart. The tranny shifter shakes like there is no tomorrow. Not a good feeling...

Here's what I have:
Hi Tech's - round and balanced
rearched stock springs that are giving up the ghost - maybe?
DT3000 shocks
all new u-joints - even swapped shafts from another zook
new rotors
Calmin S/R - love the improvement
1.6 with Calmini pass. side mount, Outcast Offroad spacer on driver's side, NO tranny adapter.
Motor & tranny mounts good

Where should I be looking next? I'm beginning to suspect the springs and or the lack of a tranny adapter. I'm looking for any ideas as what is causing this... Thanks.....

All Good Medicine,
Crow

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post #2 of (permalink) Old 08-20-2001, 05:30 PM
zukikid
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????

hey crow horse ...if you don't have a tranny adapter how is your tranny bolted up ? might be that but hard to tell with out more info.
zukikid

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post #3 of (permalink) Old 08-20-2001, 10:16 PM Thread Starter
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????

The top 2 holes on the tranny are drilled out for the larger bolts of the 1.6. The tranny is then mated with the motor and the lower holes are drilled into the block. It's not the best setup by far, but this is what was done by the previous owner. I would like to get just the tranny adapter to put everything on the up and up.

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post #4 of (permalink) Old 08-20-2001, 10:18 PM Thread Starter
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????

Could tweaked springs cause such a vibration?

All Good Medicine,
Crow

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post #5 of (permalink) Old 08-20-2001, 11:01 PM
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????


I'm guessing that you've determined its not a shaky wheel problem and coming from the tranny/engine area.

Is it RPM or Speed related? Constant? on acceleration or deceleration? Etc?

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post #6 of (permalink) Old 08-21-2001, 04:42 AM
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????

crowhorse ...is the spacer plate still in between the tranny and the block ?
zukikid

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post #7 of (permalink) Old 08-21-2001, 07:41 AM
 
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????

crow,

try putting it on jackstands and bring it up to 60 .... (be very carefull... you might tie it up to something)

then do a visual...


as i say... be carefull

alfred



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post #8 of (permalink) Old 08-21-2001, 08:30 AM
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????

1) Check tranny mounts, especially the tail piece.

if no solution;

2) Check steering ball joints and such. Replace what's worn out.

if still no answer;

3) Check the knuckles, in particular the king pin bearings. The ones on the bottom tend to rust out fast and turn to toast. This is compounded by bad wipers/felts and the allowance of H2O to enter the knuckle.

and if that don't help;

4) Take a long vacation to Florida. Track down a pristene 1993 or newer 4wd Sammy. Drive it home. Swap all your goodies from you current rig to the new one.

And if the problem follows you to the new Sam, then go to Suggestion #1 and repeat.[img]/wwwthreads_images/icons/smile.gif[/img]

<font color=blue>Yankee Tim</font color=blue>[img]/wwwthreads_images/icons/cool.gif[/img]
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post #9 of (permalink) Old 08-21-2001, 09:36 AM
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????

Crow,

I have the "<font color=blue>AMC Guide to Troubleshooting and Eliminating Vehicle Vibrations</font color=blue>", complete with "How to conduct your own road test", at my house. It's for Jeeps (Oh, not THAT word again), but since Zuk's are a distant overseas cousin, a lot of it should still apply. It has a lot of good information in it, and you'll know what to rule out.

I'll post more later tonight when I get home.

JEEPN
Winter Harbor, Maine
'81 CJ-8 Scrambled, It's a Jeep, Chevy, IHC kinda thing!
'88.5 Zuki, 5" Calmini, Locked, Swamped, Rolled, and just generally broken in right!
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post #10 of (permalink) Old 08-21-2001, 06:48 PM
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Re: Viiiiiiibbbrrraaaatttiiooonnnsss ????

Check for wheel balance. Unbalanced wheels with do that.

Yankee Tim has good suggestions... knuckle bearing, steering tie rod ends etc.

Make sure your U-bolts are TIGHT. If they come a bit loose this will happen. Happened to me.

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