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wobbly handling #794432
14/03/2009 16:15
14/03/2009 16:15
Joined: Dec 2005
Posts: 17,367
Staffordshire
Nigel Offline OP
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Nigel  Offline OP
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Posts: 17,367
Staffordshire
I've always known the handling traits of my car pretty well - I know how it reacts when I alter my line halfway round a bend and I know how it copes with bumps.

So, when on a slightly greasy road, I hit a bump mid bend AND lifted off at the same time, I knew something was wrong when I had to dial in some opposite lock to stay on the road shocked

I'd also been getting some slightly weird steering sensations when accelerating hard - like tramlining, but with no steering feedback

My suspicions were confirmed on Motormech's ramps today - fubar'd rear radius arm bearings frown

Ah well, at least its not a huge job, and the car was due in anyway for a total brake service - new discs and pads, front and rear with a caliper strip and rebuild at the same time.

Amazing though - a couple of mm play at the rear end can feel like the steering is connected with elastic bands instead of track rods.


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Re: wobbly handling [Re: Nigel] #794435
14/03/2009 16:26
14/03/2009 16:26

S
suba
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suba
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S



It'll be different when you get it back Nigel. smile

My RX is having all the rear bushes changed at the moment - they were pretty knackered - and the rear end was VERY lively with the play in the current bushes.

It'd worth noting for people reading this that if you want your car to handle better look at the basics before spending a lot of money on new shocks / springs. smile

Re: wobbly handling [Re: ] #794500
14/03/2009 18:34
14/03/2009 18:34

M
montgomery
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montgomery
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Had this on mine recently, scarey as crap when changing lane at high speed!

Re: wobbly handling [Re: ] #794697
15/03/2009 00:48
15/03/2009 00:48
Joined: Dec 2005
Posts: 3,694
Midlands
MCMike Offline
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Midlands
Would this be picked up at MOT time ?


1972 Triumph Stag
1984 Alfasud TI
1999 Fiat Coupe Turbo LE
2005 350Z




Re: wobbly handling [Re: MCMike] #794762
15/03/2009 09:55
15/03/2009 09:55
Joined: Dec 2005
Posts: 1,560
Oxfordshire
Gaz Offline
My life on the forum
Gaz  Offline
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Posts: 1,560
Oxfordshire
Should be as its a fail but they do get missed.

Re: wobbly handling [Re: MCMike] #794815
15/03/2009 12:39
15/03/2009 12:39

S
suba
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suba
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S



Depends how bad it is.

Re: wobbly handling [Re: ] #795334
16/03/2009 10:30
16/03/2009 10:30
Joined: Dec 2005
Posts: 12,295
Sandhurst
Begbie Offline
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Begbie  Offline
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Sandhurst
You know it's bad when you have negative camber on the rear, you can also feel the car twitch slightly when cornering at speed, quite un-settling. Might take a few photo's this weekend for a how to guide smile


Originally Posted by Jonny - After being taken out at Spa
Your car is Usain Bolt with wellies
Re: wobbly handling [Re: Begbie] #795361
16/03/2009 11:10
16/03/2009 11:10
Joined: Dec 2005
Posts: 17,367
Staffordshire
Nigel Offline OP
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Nigel  Offline OP
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Joined: Dec 2005
Posts: 17,367
Staffordshire
Begbie - that's what I've been getting - if I throw the car into a corner, the rear radius arm moves straight away and the car just settles (although turn-in is VERY sharp!)

However, if I enter a corner gently, but then start to ease onto the power, at some point, the radius arm clunks out of line and twitches the rear end - not bad on a 30mph roundabout, but a bit disconcerting when feeding into a decreasing-radius right-hand bend on a damp dual carriageway

Car now booked in.

I also noticed the state of my rear subframe bushes while the car was on the ramps - well fubar'd. thinking of getting Paul to replace them while the rear end is apart

Anyone know what the price is for the four subframe bushes? (no, I don't want solid bushes - too noisy for a big-mile everyday car)


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Re: wobbly handling [Re: Nigel] #795365
16/03/2009 11:18
16/03/2009 11:18
Joined: Dec 2005
Posts: 12,295
Sandhurst
Begbie Offline
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Sandhurst
Bushes can't but be bought from Fiat, you have to buy a whole rear subframe. Whilst the subframe is off, i'd get Paul to have a look at the chassis arms and see if you have any of below, it may need a little poke to see what's going on

click to enlarge click to enlarge


Originally Posted by Jonny - After being taken out at Spa
Your car is Usain Bolt with wellies
Re: wobbly handling [Re: Begbie] #795694
16/03/2009 18:35
16/03/2009 18:35

N
Nobby
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Nobby
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Originally Posted By: Begbie
You know it's bad when you have negative camber on the rear, you can also feel the car twitch slightly when cornering at speed, quite un-settling. Might take a few photo's this weekend for a how to guide smile


Yeeee haaarrrr... I'd like to see a guide, but I'm happy to contribute/do one on my own.

Re: wobbly handling [Re: ] #795712
16/03/2009 18:52
16/03/2009 18:52
Joined: Dec 2005
Posts: 12,295
Sandhurst
Begbie Offline
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Sandhurst
Originally Posted By: Nobby
Originally Posted By: Begbie
You know it's bad when you have negative camber on the rear, you can also feel the car twitch slightly when cornering at speed, quite un-settling. Might take a few photo's this weekend for a how to guide smile


Yeeee haaarrrr... I'd like to see a guide, but I'm happy to contribute/do one on my own.


Well i'm going to be doing it this weekend, so would be silly not to, although i might have slightly more clearance to do this rather than it being done on the car smile


Originally Posted by Jonny - After being taken out at Spa
Your car is Usain Bolt with wellies
Re: wobbly handling [Re: Nigel] #796010
17/03/2009 00:06
17/03/2009 00:06
Joined: Dec 2005
Posts: 21,071
Chertsey in the Thames
bockers Offline
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Chertsey in the Thames
Originally Posted By: Nigel
Begbie - that's what I've been getting - if I throw the car into a corner, the rear radius arm moves straight away and the car just settles (although turn-in is VERY sharp!)

However, if I enter a corner gently, but then start to ease onto the power, at some point, the radius arm clunks out of line and twitches the rear end - not bad on a 30mph roundabout, but a bit disconcerting when feeding into a decreasing-radius right-hand bend on a damp dual carriageway

Yep, had the same this weekend when comming onto the M25 from the M3. Felt like the car was going to dive int the hedge.. Will check the arms tomorrow.

Re: wobbly handling [Re: bockers] #796016
17/03/2009 00:21
17/03/2009 00:21

S
suba
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suba
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S



Oh THAT corner - the one that is not far from where I live where you have lots of margin for error when testing suspension setups.... laugh

Re: wobbly handling [Re: ] #796114
17/03/2009 10:15
17/03/2009 10:15

P
peanuthead
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peanuthead
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yeah that is a nasty one tyres are never warm either when i leave chertsey. not as bad as the fluy over coming from the m4 to the m25 that killed the shocks on my skyline and knocks me teeth out.

is there a way of really checking the rear bearings/bushes as i have changed everything else on this dam car no doubt they need doing to.

Re: wobbly handling [Re: ] #796134
17/03/2009 10:50
17/03/2009 10:50

S
suba
Unregistered
suba
Unregistered
S



Jack up the rear of the car and give the wheel a good wrench about, up down, left right , twisting etc.

For the subframe get a bar and firmly (but gently) lever it and see how much movement there is.

You can also as begbie suggests get a laser alignment check done - if you have excessive negative camber on a rear wheel then this can also be indicative.

Re: wobbly handling [Re: ] #796137
17/03/2009 10:54
17/03/2009 10:54

P
peanuthead
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peanuthead
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P



ok il have a go :-) are they very hard or expensive jobs? done them on other cars and they where easy enough and cheap to upgrade to.

Re: wobbly handling [Re: ] #796155
17/03/2009 11:31
17/03/2009 11:31
Joined: Dec 2005
Posts: 12,295
Sandhurst
Begbie Offline
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Posts: 12,295
Sandhurst
Repair kits can be had from Alt Auto's for about £35 a side, as for replacing the bearings, well it looks like it should be an easy job, but there is little room to get access to the bolt's and bearings, so could make life a lot harder, plus the trailing arms (i believe) weigh quite a lot too!


Originally Posted by Jonny - After being taken out at Spa
Your car is Usain Bolt with wellies
Re: wobbly handling [Re: ] #796171
17/03/2009 12:13
17/03/2009 12:13

S
suba
Unregistered
suba
Unregistered
S



It's a pig if you can't get the bearings out.....

Re: wobbly handling [Re: ] #796177
17/03/2009 12:21
17/03/2009 12:21

N
Nobby
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Nobby
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I'm thinking....big hammer, heat, bigger hammer laugh

Re: wobbly handling [Re: ] #796186
17/03/2009 12:45
17/03/2009 12:45
Joined: Dec 2005
Posts: 12,295
Sandhurst
Begbie Offline
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Begbie  Offline
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Joined: Dec 2005
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Sandhurst
Originally Posted By: Nobby
I'm thinking....big hammer, heat, bigger hammer laugh


Followed by, whoops, fuel tank, scensoredt, run!


Originally Posted by Jonny - After being taken out at Spa
Your car is Usain Bolt with wellies
Re: wobbly handling [Re: Begbie] #796188
17/03/2009 12:49
17/03/2009 12:49

P
peanuthead
Unregistered
peanuthead
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lol ok doesn't sound to fun. il see how they look when i put my 18's on and then decide if it needs either paul at mm or rog to sort it for me. the subframe bushes look like they are ok to change and can you get pinapple rings for them to stiffen them or are solid metal bushes the only option as i bet they are noisy and numb your bum on rough roads

Re: wobbly handling [Re: ] #796937
18/03/2009 17:36
18/03/2009 17:36
Joined: Dec 2005
Posts: 9,706
Gone
J
Jimbo Offline
Je suis un Coupé
Jimbo  Offline
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Joined: Dec 2005
Posts: 9,706
Gone
Pineapple rings ? Yes a tin of those should sort it out.

Re: wobbly handling [Re: Jimbo] #796941
18/03/2009 17:50
18/03/2009 17:50

P
peanuthead
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peanuthead
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they are like a collar that go around the rubber bush that stop it stop moving about and make the compress less without having to have soild mounts. on rwd cars you can get ones that aid traction on aid drifts and so on.

Re: wobbly handling [Re: ] #798793
22/03/2009 00:10
22/03/2009 00:10
Joined: Dec 2005
Posts: 12,295
Sandhurst
Begbie Offline
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Joined: Dec 2005
Posts: 12,295
Sandhurst
Well, after today, i can say to replace the bearings in the trailing arms as 'fun'. It requires lots of hammering, a little bit of burning, as well as trying to find various items to use a drift to knock the bearings out. One side took a couple of hours, next one about an hour. Didn't get that many photo's but i have enough detail if you fancy attempting this as a DIY job


Originally Posted by Jonny - After being taken out at Spa
Your car is Usain Bolt with wellies
Re: wobbly handling [Re: Begbie] #798807
22/03/2009 00:45
22/03/2009 00:45

P
peanuthead
Unregistered
peanuthead
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P



good work mate. i can see that it wouldn't be a isssue on how are it is to remove and press a bearing just its space issues. get a how to do guide up :-)

Re: wobbly handling [Re: ] #798868
22/03/2009 07:22
22/03/2009 07:22

P
porkypaul
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porkypaul
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I did the bearings on my 16V a few years ago 1 side was a right pain a bit like yours Begbie the other side was a lot easier.

The bearings aren't pressed in peanut.

Re: wobbly handling [Re: ] #798896
22/03/2009 11:20
22/03/2009 11:20
Joined: Dec 2005
Posts: 17,367
Staffordshire
Nigel Offline OP
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Nigel  Offline OP
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Joined: Dec 2005
Posts: 17,367
Staffordshire
Mine will be a complete doddle

8:00am - Hi Paul - see you later
4:30pm - Hi Paul - how much?

laugh


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Re: wobbly handling [Re: Nigel] #799394
23/03/2009 10:50
23/03/2009 10:50

P
peanuthead
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peanuthead
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ok cool. i think mine are fine anyway but with my lick it won't be long untill i need to replace them.


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