Polyurethane bushes or original Rubber

Submitted: Friday, Sep 12, 2003 at 09:46
ThreadID: 7184 Views:3793 Replies:7 FollowUps:5
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Three mths & 20,000 ks touring WA payed its toll in the componets fitted with polyurethane bushes . Trailing arm riped off front diff housing , front stabliser bar ripped off diff housing, snaped both upper control arms on rear diff housing. We were lucky we had welding gear on board.Towing a Camp/o/matic trailer which we had no problems with behind a Turboed 80 series.Touring the Trans Contential, Anne Beadell Connie Sue, Great Central Rd, Canning,Tablelands track,Gunbarrel, Gibb River Rd, Out to Walcott Inlet,up to The Mitchell Platue,Crystal Head, & Kalumburu .The trip finally came to a end 12ks from Kununurra after reaching the blacktop where the pipe which the top raidator hose is connected to broke off the radiator cracking the head on 5 & 6 cylinders from over heating.Lessons learnt Stick to Genuine Bushes & fit a aftermarket low water high tempeture alarm.
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Reply By: Jol from Direct Four WD Awareness - Friday, Sep 12, 2003 at 10:03

Friday, Sep 12, 2003 at 10:03
Ge wizz, I'd like to know your car set up, tyre pressures, speed travelled etc, sounds as if the urathane created a few harmonics. urathane has it has its place, but in the rough stuff you need as much give as possible. By the way how heavy was the vehicle??
AnswerID: 30858

Follow Up By: Old Jack - Friday, Sep 12, 2003 at 22:42

Friday, Sep 12, 2003 at 22:42
jol, with regard to harmonincs the urathane material is an isolating material that absorbes harmonic vibration, the things listed that broke off would in all likely hood brake weather urathane or synthetic rubber is used. Would agree to a point about bushes needing to be supple
but if the correct density urathane is selected it can have the same softness as OEM rubber with increase service life. most people think that harder & heavier the suspension the better. have seen cars with heavy duty gas shocks & coils kill the shock bushes when lightly loaded as the shocks where so hard the bushes were the thing that gives first.
sounds more like a very overloaded vehical running high tyre pressure and driven hard, might not have been the case.

FollowupID: 21915

Reply By: Member - Bob - Friday, Sep 12, 2003 at 13:10

Friday, Sep 12, 2003 at 13:10
for God's sake don't let the Toyota fanatics on this list see this ;-)Bob
AnswerID: 30867

Follow Up By: Alan H - Friday, Sep 12, 2003 at 17:05

Friday, Sep 12, 2003 at 17:05
Deathly silence from the fanatics since 0946hrs when that was posted. Surely they can't all have gone to work, or more likely,they're down the pub drowning their sorrows!
FollowupID: 21887

Follow Up By: Bob Y. - Qld - Friday, Sep 12, 2003 at 21:11

Friday, Sep 12, 2003 at 21:11
Wasn't worth a comment this morning, was repacking the front wheel bearings on the 80 series.

20K clicks in 3 months, most of the bitumen buddies would be flat out doing that in 12 months. Just keeps the fires of bias burning brightly.

Might be handy to know the VIN # for future reference, would spoil a weekends tyre kicking, to end up with it.

FollowupID: 21906

Follow Up By: Member - Jack - Friday, Sep 12, 2003 at 21:26

Friday, Sep 12, 2003 at 21:26
I am sure "Turboed 80 series" was a typo.
JackAustralia - If you don't love it, leave!!!
FollowupID: 21908

Reply By: Goona - Friday, Sep 12, 2003 at 18:53

Friday, Sep 12, 2003 at 18:53
Could thyis be true????? A problem with a Toyota!!!!
AnswerID: 30896

Reply By: diamond(bendigo) - Friday, Sep 12, 2003 at 20:22

Friday, Sep 12, 2003 at 20:22
looking a little like a nissan owner playing a little pretend. pick on toyota.
would have to be we never see toyotas having anything wrong with them here.
lol šqUC3<BuIL
AnswerID: 30901

Reply By: Geoff - Friday, Sep 12, 2003 at 21:01

Friday, Sep 12, 2003 at 21:01
Well, now we know nothing is indestructable............rough corrugated country.......yep, it sure is; so you match your driving speed to road conditions and use correct tyre pressures and this sort of thing doesn't happen because it doesn't shake the crap out of everything. Tyre pressures are to be adjusted according to speed and load............in this case plenty of speed and I bet high tyre pressures........ah well what can you say!
AnswerID: 30907

Follow Up By: Ed - Saturday, Sep 13, 2003 at 13:45

Saturday, Sep 13, 2003 at 13:45
Yep, Totally agree!!!

And I think it can safely be said that this is how the roads/tracks get to be corrugated in the first place... Too fast, & tyre pressures too high!

How does that song go again?

"When will they ever learn?, When will they e-e-ver Learn????"
FollowupID: 21926

Reply By: Stuart - Friday, Sep 12, 2003 at 23:02

Friday, Sep 12, 2003 at 23:02
Hi Revs, a spring maker in Port Kembla told me never to put poly bushes under my 80 series as they don't have enough give and that I would end up tranfering the load from the bushes to other components and that would cause the other components to fail. I think you proved him right. If polly is so good why don't any of the major car companies use them. Thanks for your info. PS what brand is your alarm and how much. Thanks.
AnswerID: 30921

Reply By: Revs - Monday, Sep 15, 2003 at 12:16

Monday, Sep 15, 2003 at 12:16
Tyre pressures varied as to the types of terrain traversed,from F/22psi=B/24 on the Canning, to F/36 = B/34psi on the Kalumburu Rd,with 26psi in the trailer most of the time. The Vehicle weight 3.2 tons,Trailer 1.3 Fully loaded which included 160ltrs water on trailer & 425lts diesel on vehicle with average fuel consumption being 15.5 lts per 100 khs.Speed was kept to a minimum
AnswerID: 31074

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