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Author Topic: Knocking over speed bump  (Read 2484 times)

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prestigesec

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Knocking over speed bump
« on: 20 April 2008, 23:25:46 »

Eventually got my omega estate 3.0L elite with all the toys for a very good price, needs a couple of bits doing though. One is when i drive over a speed bump or hit a pot hole there is a knock from the front as if something is loose it also does it when you hit the brake sharply. Car will be going up on the ramp tomorrow so just like to know whats the common thing that this could be so we are not wastin loads of time looking everywhere? Many thanks Steve.
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dbug

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Re: Knocking over speed bump
« Reply #1 on: 20 April 2008, 23:27:26 »

Drop links, front suspension.  £9 each off ebay - ½hr each side to fit.
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Andy B

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Re: Knocking over speed bump
« Reply #2 on: 20 April 2008, 23:32:24 »

Quote
Drop links, front suspension.  £9 each off ebay - ½hr each side to fit.
or ...... (holds coat ready) it might be cheaper in the long run to buy the 'proper' thing from Vx. 'Buy cheap fit twice' ......
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prestigesec

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Re: Knocking over speed bump
« Reply #3 on: 20 April 2008, 23:34:56 »

Quote
Quote
Drop links, front suspension.  £9 each off ebay - ½hr each side to fit.
or ...... (holds coat ready) it might be cheaper in the long run to buy the 'proper' thing from Vx. 'Buy cheap fit twice' ......

Hate doing things twice, so how much from vauxhalls?
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Andy B

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Re: Knocking over speed bump
« Reply #4 on: 20 April 2008, 23:37:23 »

Quote
.....
Hate doing things twice, so how much from vauxhalls?

 :-[ Can't remember! I think SWMBO's Astra's drop link was about £20

Are you  a member of the Autobahnstormers Club? There's a member who fitted 2 drop links to his Monza, 1 of them was a 'proper' one from GM & the other was A N Other cos the dealer only had one. 'They look the same' he thought 'It'll be OK this once' 2 years down the line the OE GM part was still perfect, A N Other part was fubar'd.
« Last Edit: 20 April 2008, 23:42:38 by Andy_B »
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prestigesec

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Re: Knocking over speed bump
« Reply #5 on: 20 April 2008, 23:45:08 »

Quote
Quote
.....
Hate doing things twice, so how much from vauxhalls?

 :-[ Can't remember! I think SWMBO's Astra's drop link was about £20

Are you  a member of the Autobahnstormers Club? There's a member who fitted 2 drop links to his Monza, 1 of them was a 'proper' one from GM & the other was A N Other cos the dealer only had one. 'They look the same' he thought 'It'll be OK this once' 2 years down the line the OE GM part was still perfect, A N Other part was fubar'd.

That'll do not bad price really, paid £75 for the ones on the scoob
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FRE07962128

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Re: Knocking over speed bump
« Reply #6 on: 21 April 2008, 05:45:35 »

Quote
Eventually got my omega estate 3.0L elite with all the toys for a very good price, needs a couple of bits doing though. One is when i drive over a speed bump or hit a pot hole there is a knock from the front as if something is loose it also does it when you hit the brake sharply. Car will be going up on the ramp tomorrow so just like to know whats the common thing that this could be so we are not wastin loads of time looking everywhere? Many thanks Steve.


What does a 'drop link' do please, and where located? :o :o

Lizzie Zoom :D
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dbug

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Re: Knocking over speed bump
« Reply #7 on: 21 April 2008, 08:32:23 »

Other members have recommended the cheapos off ebay & have found them to be ok.
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Marks DTM Calib

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Re: Knocking over speed bump
« Reply #8 on: 21 April 2008, 08:35:19 »

Beware the cheap, cheap ones......thw FAI branded ones seem ok.

Vx ones are about 30 quid each and not much better than the FAI ones.
« Last Edit: 21 April 2008, 08:35:53 by Mark »
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Mike Collins

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Re: Knocking over speed bump
« Reply #9 on: 21 April 2008, 08:37:03 »

Worn wishbone bushes will make a similar noise.

Droplinks you could remove and try without to isolate the source of the noise.
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Andy B

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Re: Knocking over speed bump
« Reply #10 on: 21 April 2008, 08:39:42 »

Quote
.....
What does a 'drop link' do please, and where located? :o :o

Lizzie Zoom :D

Located at each end of the anti-roll bar.
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FRE07962128

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Re: Knocking over speed bump
« Reply #11 on: 21 April 2008, 09:08:35 »

Quote
Quote
.....
What does a 'drop link' do please, and where located? :o :o

Lizzie Zoom :D

Located at each end of the anti-roll bar.

Something else I have learnt!   Cheers.  Lizzie Zoom :y
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TheBoy

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Re: Knocking over speed bump
« Reply #12 on: 21 April 2008, 10:21:48 »

Check for play in front suspension, in particular wishbones. If none found, it will be droplinks.
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Grumpy old man

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Re: Knocking over speed bump
« Reply #13 on: 21 April 2008, 11:17:48 »

I've got the same noise, so do i jack the wheel off the floor and give it a tug on opposite sides like you do to test wheel bearings on m/cycles? I've looked at the wishbone rubbers and they look like they're peeling (similar to that of an onion) so could that be the problem?
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dbug

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Re: Knocking over speed bump
« Reply #14 on: 21 April 2008, 20:07:25 »

Quote
I've got the same noise, so do i jack the wheel off the floor and give it a tug on opposite sides like you do to test wheel bearings on m/cycles? I've looked at the wishbone rubbers and they look like they're peeling (similar to that of an onion) so could that be the problem?

Difficult to check drop links - if really knackered you will feel play on joint if you pull it backwards and forwards.
Difficult to concentrate on reply - do u look like your Avatar?
« Last Edit: 21 April 2008, 20:09:45 by dbug »
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