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phippsey wrote:They old disco runs very sweet and at times am loving the return to the dark side!
At speeds >80, if I hit a pothole etc I get front end death shakes.
I'm pretty confident it's not balance = it is smooth all the time otherwise
The front shocks seam good too
The front wheel bearings already replaced
The tyre bloke suggested an increased aftermarket steering dampner.
He reckons he's had a few Disco/Rangies with similar - any thoughts????
Front end wobbles are always hard to pinpoint to one thing ... in fact they are usually a combination of things but mostly related to worn parts. Sounds like a combination of worn king pin bearings (check to see they are not RS, and are correctly tensioned .... remove any spacer/shims if needed) worn rubbers (radius arm and panhard rod) and maybe a worn steering damper.
well i just went through this same problem, have 35 simex that are not balanced and was getting bad shakes. replaced steering damper got a little better, replaces drag link and track rod and tie rod ends, got a little better, then took out the pahnard rod and replaced with polyurethane bushed, problem gone. tyres still not balanced. anyways go to pedders they have the poly bushes the standard ones will need to be pressed out but the pedders ones will drop right in.
But only if you do not do any dusty work eg Simpson.
I did a set in 5kk . They had about 1MM gap between the centre sleeve and the bush.
IMHO if you do not have big tyres, metalistic bushes are better in the Panhard rod.
If your panhard rod bushes look OK then it will be the swivel bearings in each hub. On an old car it is a waste of time to just up the preload by removing shims as the bearings "brinnel" ie look like a corrugated road, with the low bits at straight ahead. new bearings required.
BTW there are two types of shimmy, parallel when the wheels stay in the same relationship, and wobble where they move in different directions. Parallel is Panhard. Wobble is tie rod ends, or swivels.
They feel different.
Regards Philip A
I've got the same issues with mine , I was just doing some research on swivel pins . I'm guessing you just do the top one ...Right ?. I found this which was helpfull.
Braudy wrote:I've got the same issues with mine , I was just doing some research on swivel pins . I'm guessing you just do the top one ...Right ?.
Braudy
Sorry mate but Wrong. You do both top and bottom if you do any of them. When I've done them in the past it's usually the bottom one that is the most farked ... often pitted and rusted on the older girls.
Always do both and while you are there, make sure you replace all the seals etc. Read the manual, learn about the preload and do them right .. or pay someone else who can do them right for you is my advice.
Sorry mate but Wrong. You do both top and bottom if you do any of them. When I've done them in the past it's usually the bottom one that is the most farked ... often pitted and rusted on the older girls.
Always do both and while you are there, make sure you replace all the seals etc. Read the manual, learn about the preload and do them right .. or pay someone else who can do them right for you is my advice.
Cheers
Simo
Thanks for that, after researching a a little more it was obvious I needed to do both.
Use super pro poly bushes in a rover forget all the other ones go with the super pro and a can of lanolin spray grease give em a squirt every month and they will out last the truck .
Cheers
Chris
Questions $20ea Answers for said Questions $100ea
I can fix your F'ups for a fee .......
lokka wrote:Use super pro poly bushes in a rover forget all the other ones go with the super pro and a can of lanolin spray grease give em a squirt every month and they will out last the truck .
Had the same problem two different occasions, one was shot castor/ radius arm bushes after lifting 2'' the death wobble showed, second time bent drag link causing severe wheel alignment, third time different car was castor bushes again.
I wouldnt use pollys at all. Stick with the rubber in my view. But yep most likely pan hard bushs. Have someone move the steer wheel side to side and watch the panhard as the front moves. You will see it plain as day.
nottie wrote:I wouldnt use pollys at all. Stick with the rubber in my view. But yep most likely pan hard bushs. Have someone move the steer wheel side to side and watch the panhard as the front moves. You will see it plain as day.
Poly's are good for the panhard rod but i wont use them anywhere else either.
Saddle up tonto, its the not so loanrangie! . 98 TDI DISCO lightly modded with more to come.
superpros are the shyte