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Topic: Cosworth's rear swaying when accelerating (Read 964 times) |
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Cosray
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8th Scorpio, 2nd Cosworth: currently '95
 
Posts: 569
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Cosworth's rear swaying when accelerating
« on: Jul 21st, 2006, 12:46pm » |
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When accelerating my Cosworth the rear tends to sway to the right, as if it has steering properties!
Next the car starts to sway and rock which at 50-100 miles is not funny. This is amplified carrying 3 pasengers, probably because I am generating more power then.
Breaking hard is OK and straight.
New tyres sice 1/2 year; pressured according to manual.
I did not have a chance to look under the car yet.
Is this caused by a bad shock?
A bad bearing? Had one rear bearing replaced last year.
Rubbers? Bushing?
Heard a squeaking noise some weeks ago from the rearleft; thought it was a hanging brakepad. Is this related?
Any clues before I see Ford on Monday?
Ray
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Highlander
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Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: Cosworth's rear swaying when accelerating
« Reply #1 on: Jul 21st, 2006, 2:50pm » |
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on Jul 21st, 2006, 12:46pm, Cosray - The Hague - Holland wrote:| This is amplified carrying 3 pasengers, probably because I am generating more power then. |
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Like the Flintstones?? Are they pedalling? 
Sounds like a bush away on the arm, causing a slight toe out on the wheels
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Snoopy
Administrator
Very old.BAD tempered and missing friends.
Posts: 6278
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Re: Cosworth's rear swaying when accelerating
« Reply #2 on: Jul 22nd, 2006, 6:31am » |
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If you had a squeaking then look at the wheel bearings see THIS
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Cosray
Full Member
8th Scorpio, 2nd Cosworth: currently '95
Posts: 569
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Re: Cosworth's rear swaying when accelerating
« Reply #3 on: Jul 22nd, 2006, 11:45pm » |
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Thanks guys for your suggestions. Sounds like I have a rear bearing problem.
I will get back to you after I see Fords on Monday.
Ray
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howiedintheplace
Senior Member
Based near Evesham
Posts: 1194
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Re: Cosworth's rear swaying when accelerating
« Reply #4 on: Jul 22nd, 2006, 11:57pm » |
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Things to check.
Wheel bearings, arm bushes onto cross member, diff mount to floor & crossmember to floor.
If any one of the above items has worn then it will cause you problem.
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Dave
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Cosray
Full Member
8th Scorpio, 2nd Cosworth: currently '95
Posts: 569
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Re: Cosworth's rear swaying when accelerating
« Reply #5 on: Jul 24th, 2006, 9:45pm » |
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Yes, it was the left rear wheel bearing that's gone.
It had worn so much the wheel could be moved 1-2 centimetres sideways, causing the swaying. The swaying had also worn the brake pads, as these, when braking, tried to straighten and align the wheel.
It required a new bearing kit, a flange, seals, brake pads and other stuff in parts, totalling € 540 including one hour labour as that's fixed for this repair (incl. 19% VAT)
One hour of labour these days in our West country costs € 106 incl. VAT.
Also it seemed to have worn the tyre very much while swaying; must have a look at that later and replace it.
Recap: Squeaking sound (instead of a rumbling, humming sound) + wandering of the rear when accelerating = worn bearings. Be quick about it!
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Kjetil S
Senior Member
2001 BMW 520iat
Posts: 1419
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Re: Cosworth's rear swaying when accelerating
« Reply #6 on: Jul 25th, 2006, 5:33am » |
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1-2cm 
you were lucky that it didn't seize up on you...
Btw, remember to replace both rear tyres when you're at it, or you could get some interesting effects again 
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