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Topic: Diff? clunking (Read 801 times) |
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Tekno
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Tenho Ruohoranta
 
Posts: 599
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Diff? clunking
« on: Apr 28th, 2010, 9:38pm » |
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Hello
When I press accelerator pedal, I hear a clunk from somewhere rear. It comes also when I lift foot from pedal.
What that could be? Differential bushes?
I changed differential and driveshafts 4 months ago but backplate is still same as before.
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Diff? clunking
« Reply #1 on: Apr 28th, 2010, 9:43pm » |
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Could be wear in the differential teeth, i did a write up on how to remove it in the how to do things section
may be a worn prop rubber 'doughnut'
could it be the pedal its self clunking?
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FDS2000 Scans - Birmingham
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Diff? clunking
« Reply #2 on: Apr 29th, 2010, 3:30pm » |
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Humm what teeth you mean?
I'm pretty sure sound comes from somewhere at rear axle
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Thunderchild
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My other car's an Aprilia
Posts: 199
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Re: Diff? clunking
« Reply #3 on: Apr 29th, 2010, 4:34pm » |
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I would think that it is more likely to be the prop shaft universal joint. Easy check if you go under the car and move the prop, movement in the universal joint will be obvious.
HTH
Tc
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Diff? clunking
« Reply #4 on: Apr 29th, 2010, 5:20pm » |
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the planet gears inside the crown carrier
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FDS2000 Scans - Birmingham
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Diff? clunking
« Reply #5 on: Apr 29th, 2010, 6:32pm » |
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on Apr 29th, 2010, 5:20pm, Matt wrote:| the planet gears inside the crown carrier |
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If you mean BIG gear, it were fine when I checked em on december. I couldn't find any suspicious wear.. Diff was opened because I changed backplate and axles which is held by circlips inside diff.
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Diff? clunking
« Reply #6 on: Apr 29th, 2010, 6:35pm » |
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If all this has been disturbed before, sure there are no nuts loose?
No seriously
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Mike H
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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: Diff? clunking
« Reply #7 on: Apr 29th, 2010, 6:57pm » |
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I'd check the CV joints first of all, even if its not worn the bolts have been known to work loose 
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Diff? clunking
« Reply #8 on: Apr 30th, 2010, 11:50am » |
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That's the sort of thing ~ what made me think of it, a tiny bit of rotation one way, a tiny bit the other
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Mike H
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Diff? clunking
« Reply #9 on: May 21st, 2010, 8:03pm » |
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I've found possible cause. Outer left CV joint.
It has massive play up and down.
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Diff? clunking
« Reply #10 on: May 22nd, 2010, 8:17am » |
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What is finis of CV rubber and CV circlips?
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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gozz
Senior Member
Been around awhile
Posts: 3475
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Re: Diff? clunking
« Reply #11 on: May 22nd, 2010, 9:37am » |
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I always use pattern parts for CV joints and gaiters,don't forget the 16v cars have a smaller joint than 2.9s and diesels.
GOZZ.
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