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Topic: Suspension clonking Cosworth saloon (Read 944 times) |
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Jeff
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I love YaBB 1G - SP1!
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Suspension clonking Cosworth saloon
« on: Jan 5th, 2009, 3:52pm » |
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Happy new year everyone, who wants to have a go at this query. I have recently replaced the front suspension lower arms and the anti-rollbar drop rods on my Cosworth saloon. About a month later a definate clonking has developed from the front suspension.
I have inspected all over the front thinking I may have failed to tighten something but all seems OK, no play anywhere as far as I can see. I'm wondering if I have a failed strut. Car has done 80k miles and passed with flying colours last MOT, so how do I establish good struts? The clonking is caused by road bump, and is not constant. Any ideas anyone...difficult to diagnose a noise by email I know.....
oh and btw don't do what I did - like a prize burke - jacked up under the bottom of the front wing. Yes it folded up like cardboard and I now have a ruined wing 
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2.9 Cosworth saloon and 2.3 saloon
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Tompion
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1997 2.3 Ultima estate.
Posts: 2918
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Re: Suspension clonking Cosworth saloon
« Reply #1 on: Jan 5th, 2009, 4:30pm » |
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I assume you tightened the wishbone bushes with the car lowered to the ground - so the rubber bushes were in their natural position.
Dave
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ABS multiplug wheel sensor pins MK IV or MK 20
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Suspension clonking Cosworth saloon
« Reply #2 on: Jan 5th, 2009, 4:37pm » |
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Have you checked the anti-roll bar bushes ? 
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Scorpio_Mike
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Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: Suspension clonking Cosworth saloon
« Reply #3 on: Jan 5th, 2009, 4:38pm » |
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Check for broken coil spring 
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Sierra XR4i's are great...especially when fitted with 4WD
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Jeff
Full Member
I love YaBB 1G - SP1!
Posts: 359
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Re: Suspension clonking Cosworth saloon
« Reply #4 on: Jan 5th, 2009, 5:01pm » |
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As far as I can remember the car was on my ramps at the time but it may be that I did the bolts up before setting it back down on its wheels. (I followed the service manual pages on here so I would have seen the note about weight etc). But if I did fail to put the wheels down first is it any good undoing everything and starting again - will they settle in properly a second time round? Pretty sure I didn't get this wrong, but can't remember for sure. I didn't do the roll bar bushes so might have a go at them. Can't detect any broken springs (by running fingers all around coils).
How do trade check shocks? Look for leaks?
I fancy those roll bar rubbers are the culprits. When global warming kicks in round here I'll get under and do 'em...
ps Tompion, I'm in Woking...or is it Siberia, that's what it feels like today...
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2.9 Cosworth saloon and 2.3 saloon
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matt1987
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I'm a YaBB newbie!
Posts: 101
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Re: Suspension clonking Cosworth saloon
« Reply #5 on: Jan 5th, 2009, 9:02pm » |
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well im in the trade, i visual look at the spring, touch them and tap them with a screwdriver and listen to them, you can also rock the car side to side and compress the suspension by pushing on the car
all the best
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Suspension clonking Cosworth saloon
« Reply #6 on: Jan 5th, 2009, 9:04pm » |
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Yes Jeff pretty darned cold down south in sunny Guildford too 
Dave
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ABS multiplug wheel sensor pins MK IV or MK 20
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Jeff
Full Member
I love YaBB 1G - SP1!
Posts: 359
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Re: Suspension clonking Cosworth saloon
« Reply #8 on: Jan 5th, 2009, 11:38pm » |
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Yes, thanks Highlander, replaced them at the same time, but for some reason didn't do the anti roll bar bushes, so they are my prime suspects now. I'll do them and report back for the record.
I'll check my springs as well again as you suggest Matt, thanks for that also. Can't be doing with clonking, it's just not the thing on one of these, is it!
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2.9 Cosworth saloon and 2.3 saloon
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gozz
Senior Member
Been around awhile
Posts: 3475
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Re: Suspension clonking Cosworth saloon
« Reply #9 on: Jan 5th, 2009, 11:56pm » |
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Jeff.
Tompion asked if you had lowered the car onto it's wheels before tightening because if not the bushes are over tensioned and can be torn.I always leave all the nuts loose,lower the car and drive it back and forth to allow the wheels to assume their outermost position,thus ensuring that the car is as low as it will go,then tighten the nuts.
GOZZ.
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