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4b shuddering

General Tech Talk

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4b shuddering

Post by Nev62 »

Have a problem where a 4b will start shuddering super bad on and off from around 60kmh when driving. It is not consistent but scares the crap out of you big effort to maintain control. It is not just the wheel but the whole car that shakes violently (like a dogey shopping trolley wheel only much worse).

I have checked the wheel bearings but they seem fine. Any ideas what else to check?
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Post by chikoroll_ »

your FJ, or another fourby?

Solid, or IFS?
'98 Jackaroo
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Post by alien »

-Mud inside the rims
-Bent Rim
-Warped Tyre
-Driveshaft out of sync

I've had all those =P
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Post by want33s »

Mine did the same with a bent tie rod... Toeing in 16mm is deadly.
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Post by matthewK »

panhard bussshes??? my nissan did it which car is it?
1995 land rover disco on 265 muddies
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Post by Nev62 »

chikoroll_ wrote:your FJ, or another fourby?

Solid, or IFS?
not mine, old zook
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Post by Nev62 »

Have changed the wheels/tyres - no change
Have checked/reset wheel bearings - no change
tie rod ends good
no noticable movement in kingpins
steering dampener good
alignment looks ok

The shudder started after a body lift, have rechecked the lift and nothing out of place.

What am I missing???????????
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Post by icrawl »

go and get the wheels balanced mine did the same was one weight had fallen of while 4wheelin
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Post by chikoroll_ »

steering wheel extension post?
transmission/transfer stick?

might be rubbing on the body, causing everything to shake
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Post by OL GQ UTE »

may need a return to center steering dampner, a mate of mine had the same problem fitted one of these and fixed it....not sure about your prob though
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Post by oldmate »

Nev62 wrote:
What am I missing???????????
spring/shackle bushes and bolts are tight?
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Post by icrawl »

get wheels balanced matbe weight has come off my 80 did the same was weight had come off and would shake like shit at 80km all fixed when wheels re balanced
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Post by lay80n »

Check u-bolts .

Layto....
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Post by shakes »

OL GQ UTE wrote:may need a return to center steering dampner, a mate of mine had the same problem fitted one of these and fixed it....not sure about your prob though
just mask's the problem, doesnt fix it.
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Post by Dominator »

my patrol does the same at about 80-85. Got a alignment and the castor checked and the guy told me one of my front panhard bushes are buggered. Get them checked.
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Post by jimbo jones »

Dominator wrote:my patrol does the same at about 80-85. Got a alignment and the castor checked and the guy told me one of my front panhard bushes are buggered. Get them checked.
no panhards in a leaf sprung sierra
current truck, 105 series GXL diesel 6" springs & twin pro lockers
sierra LWB spoa one wide track diffs twin locked

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