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oldcob
Joined: Wed May 05, 2010 9:00 am Posts: 86 Location: mildura VIC
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 Posted: Mon Aug 02, 2010 8:37 am |
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finally got my sierra roadworthy and regd, but its crazy to drive in a straight line on the highway without it being scary
replaced sway bar mounts and bushes for RWC, nothing else was picked on so dont think its a bush issue and have no play anywhere in the front end.
But I can lean on the car and it moves and inch, and with a slight push I can rock it back and forward (side to side) about 15cm I reckon.
What should I be replacing?
I was thinking shocks, but they all passed rwc and the guy is pretty fussy that did it.
Its a leaf spring tin top.
Thanks for any input!
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Fatzook
az supporter
Joined: Sat Oct 27, 2007 11:30 pm Posts: 14977 Location: The Hills
Vehicle: Vitara, NGV
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Posted: Mon Aug 02, 2010 8:42 am |
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any mods?
_________________
2013 GV
1998 SV420 ute
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oldcob
Joined: Wed May 05, 2010 9:00 am Posts: 86 Location: mildura VIC
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Posted: Mon Aug 02, 2010 8:49 am |
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pretty sure its stock, apart from sunraysiers and some AT tyres.
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buzbox
Joined: Thu Jul 16, 2009 11:30 pm Posts: 3600 Location: Wollongong NSW
Vehicle: LWB Sierra & XL7
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Posted: Mon Aug 02, 2010 8:51 am |
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Perhaps the shocks are flogged, Have you had a wheel alignment done?
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something_else
Joined: Sun Apr 06, 2008 11:30 pm Posts: 819 Location: Pimpama
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Posted: Mon Aug 02, 2010 9:04 am |
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by any chance you dont have a huge big roof console full of stuff do ya?
_________________
Lj81.
Ke20.
Baleno.
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Moph
az supporter
Joined: Sat May 19, 2007 11:30 pm Posts: 2535 Location: Perth
Vehicle: 93 Sierra
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Posted: Mon Aug 02, 2010 9:21 am |
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The wobble when you lean on it can only be (1) springs (2) bushes (3) shocks or (4) mounting hardware. There's not that much between diff and chassis - just take a real close look at all of it to make sure everythings tight / bushes are in good nick / springs have at least 3 leafs front + 4 leafs rear / shocks aren't completely flogged out (mine where when I removed them at 300,000km...) / U-bolts are nipped up tight / etc.
With wobbling around on-road, I found that my Zook on stock 205/70R15 HT's on 15x5.5 rims was HEAPS worse on-road than the 235/75R15's and 31x10.5's on 15x7 F100 rims. I was driving behind a stock WT Sierra with fibreglass canopy at 100kph only an hour or so ago too and was amazed to see how much he was thrown (body swaying side to side) compared to my Zook on the same road. I've got heaps more body roll on cornering no doubt due to the lift and softer springs I'm running, but on road is far more controlled.
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ZookiMonsta
Joined: Sun Aug 23, 2009 11:30 pm Posts: 1625 Location: Jimboomba
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Posted: Mon Aug 02, 2010 10:17 am |
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Not the king pin bearings? Just check E V E R Y T H I N G... twice.
Mines always handled like a dog, stock as a rock
with stocko tyres on and it doesn't drive straight.
40mm lift and poly rear bushes still drives like crap. I don't know, I kinda
gave up on looking for the issue, so I just drive the old man's pootrol around. 
_________________
Own a weird looking coily sh!tbox!
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gman
Joined: Tue Dec 01, 2009 10:30 pm Posts: 172 Location: Longford, Tasmania
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Posted: Mon Aug 02, 2010 10:43 am |
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I know, Its a Sierra 
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dank
Joined: Sat Apr 05, 2008 10:30 pm Posts: 1157 Location: VIC
Vehicle: WR250F/Jeep XJ
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Posted: Mon Aug 02, 2010 11:21 am |
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I swapped my draglink and tierod over which had flogged rod ends. The difference in handling was scary....Check the steering rod ends as well if it wanders on the road.
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honks
Joined: Tue Apr 20, 2010 11:30 pm Posts: 214 Location: ipswich
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Posted: Mon Aug 02, 2010 6:47 pm |
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mine has the same problem it likes to wander all over the place on the high way especially if im following trucks it is stock but i am getting some 215/75/15 tyres and wheel alignment done today so i will let you know if it changes
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BlueSuzy
az supporter
Joined: Sun May 04, 2008 11:30 pm Posts: 9716 Location: NSW
Vehicle: SJ51 LWB, SJ70 SWB
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Posted: Tue Aug 03, 2010 12:05 am |
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honks wrote: mine has the same problem it likes to wander all over the place on the high way especially if im following trucks it is stock but i am getting some 215/75/15 tyres and wheel alignment done today so i will let you know if it changes
Thats the wind off the truck..
You slip stream, then once you reach the trucks mach 1, you definately feel it.
I had that drama with stockers and a side wind..cross 3 lanes..and always fighting it.
I now run wide 33's. Keeps me on the road, in the same lane. _________________ BlueSuzy wrote: I'm over the G16b's.
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oldcob
Joined: Wed May 05, 2010 9:00 am Posts: 86 Location: mildura VIC
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Posted: Tue Aug 03, 2010 1:58 am |
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will take it in for a wheel alignment and check over everything again
it all feels tight though dont think I missed anything
reading the above posts it seems thats just the way they are!
I had a 1L softop years ago that didnt handle this bad though, I could do 90km before shitting myself whereas its just 60km in this one!
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BlueSuzy
az supporter
Joined: Sun May 04, 2008 11:30 pm Posts: 9716 Location: NSW
Vehicle: SJ51 LWB, SJ70 SWB
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Posted: Tue Aug 03, 2010 2:01 am |
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Checked wheel bearings?King pin bearings?
_________________ BlueSuzy wrote: I'm over the G16b's.
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Ben_Sierra
az supporter
Joined: Wed Sep 30, 2009 11:30 pm Posts: 4472 Location: Perth
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Posted: Tue Aug 03, 2010 2:04 am |
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oldcob wrote: finally got my sierra roadworthy and regd, but its crazy to drive in a straight line on the highway without it being scary
replaced sway bar mounts and bushes for RWC, nothing else was picked on so dont think its a bush issue and have no play anywhere in the front end.
But I can lean on the car and it moves and inch, and with a slight push I can rock it back and forward (side to side) about 15cm I reckon.
What should I be replacing?
I was thinking shocks, but they all passed rwc and the guy is pretty fussy that did it.
Its a leaf spring tin top.
Thanks for any input!
I think I see why it handles like crap _________________ I want my old sig back 
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honks
Joined: Tue Apr 20, 2010 11:30 pm Posts: 214 Location: ipswich
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Posted: Tue Aug 03, 2010 7:25 pm |
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got my 215 fitted with a wheel alignment doesn't wander as much now still fighting the side wind but you can't help that in such a light car should drive even better now that i dropped the tyre pressure since the tyre shop left 40 psi in them lol
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