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Author Topic: car knocks when going over bumps  (Read 2143 times)

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Miggy24

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car knocks when going over bumps
« on: 01 October 2008, 10:56:36 »

Hi all well my car has been knocking about 2 weeks after i got the car but as the exhaust was bogged up i thought it was just that.I looked under the car to sort it out as its starting to get really bad.I thought i found what it was making the noise two brackets hitting eachother so i just welded them together and looked proper job.When down the road and over a few speed bumps and still the same so i pulled over and had alittle look and pused the body up and down a few times on each cornor when i got to the f/n/s it was knocking and sounded like a footpump blowing air in to it so im just wondering if its the front shock that packed up couseing the nosie  :y
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dbug

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Re: car knocks when going over bumps
« Reply #1 on: 01 October 2008, 11:08:27 »

« Last Edit: 01 October 2008, 11:09:28 by dbug »
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Lizzie_Zoom

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Re: car knocks when going over bumps
« Reply #2 on: 01 October 2008, 11:16:11 »

Quote
Hi all well my car has been knocking about 2 weeks after i got the car but as the exhaust was bogged up i thought it was just that.I looked under the car to sort it out as its starting to get really bad.I thought i found what it was making the noise two brackets hitting eachother so i just welded them together and looked proper job.When down the road and over a few speed bumps and still the same so i pulled over and had alittle look and pused the body up and down a few times on each cornor when i got to the f/n/s it was knocking and sounded like a footpump blowing air in to it so im just wondering if its the front shock that packed up couseing the nosie  :y

It probably is not this but I once had that type of serious 'knock' on a brand new 1979 Ford Cortina 1.6L Estate.............it turned out to be loose bolts on the prop shaft connections, which both I and the garage were amazed at. :o :o :o  It could have been deadly! >:(

So as I say probably not your particular problem, but worth checking?? :-? :-?
« Last Edit: 01 October 2008, 11:16:32 by Lizzie_Zoom »
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Miggy24

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Re: car knocks when going over bumps
« Reply #3 on: 01 October 2008, 11:25:55 »

Thanks dbug i`ll get some a.s.a.p is it best to do both sides
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Marks DTM Calib

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Re: car knocks when going over bumps
« Reply #4 on: 01 October 2008, 11:34:34 »

Droplinks.....do the pair!  :y
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Miggy24

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Re: car knocks when going over bumps
« Reply #5 on: 01 October 2008, 12:25:20 »

Just had my mate look at it whos worked on bmw`s for over 30 years and he told me its the shock  >:(anyone know how much they will cost
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Marks DTM Calib

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Re: car knocks when going over bumps
« Reply #6 on: 01 October 2008, 12:28:49 »

Quote
Just had my mate look at it whos worked on bmw`s for over 30 years and he told me its the shock  >:(anyone know how much they will cost


VERY unlikely to be shocks!


If you don't believe me, remove the one on the knocking side!
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Miggy24

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Re: car knocks when going over bumps
« Reply #7 on: 01 October 2008, 12:43:32 »

 if it aint the shock and the drop link why would it make a air noise when the other side dont
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RobG

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Re: car knocks when going over bumps
« Reply #8 on: 01 October 2008, 13:18:09 »

Quote
Quote
Just had my mate look at it whos worked on bmw`s for over 30 years and he told me its the shock  >:(anyone know how much they will cost


VERY unlikely to be shocks!


If you don't believe me, remove the one on the knocking side![/quote]
Do as Mark suggests. Easy to remove and a damn sight cheaper than front shocks :)
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Miggy24

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Re: car knocks when going over bumps
« Reply #9 on: 01 October 2008, 13:27:26 »

What take out the drop link then see if it still makes a noise
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RobG

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Re: car knocks when going over bumps
« Reply #10 on: 01 October 2008, 13:30:42 »

Yes, remove the link, two nuts, then drive it to see if the knock has gone. If so renew both, about £20-22 pair :)
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Miggy24

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Re: car knocks when going over bumps
« Reply #11 on: 01 October 2008, 13:32:19 »

Ok mate thanks i`ll give that a try
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beemerdevil

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Re: car knocks when going over bumps
« Reply #12 on: 01 October 2008, 14:41:58 »

do the drop links first........for the sake of a few quid it all helps to 'tighten' the steering/suspension  :y :y
« Last Edit: 01 October 2008, 14:43:27 by beemerdevil »
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Miggy24

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Re: car knocks when going over bumps
« Reply #13 on: 01 October 2008, 16:09:55 »

Right well iv taken the drop link off and went down the road over some bumps and no knocking well only alittle bit from the other side so i must eat my own hat as i was wrong lol.phoned up kevin cooper and there a tenner each all in  :y
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addy

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Re: car knocks when going over bumps
« Reply #14 on: 01 October 2008, 16:29:57 »

Can someone help me.  I have just replaced drop links on mine.  old ones were shot.  I still have a knocking on rough ground.  Yesterday it went for its mot.  The place I took it too know the car and have even got a bar on all the wishbones etc and there is no play in any of the bushes.  The car went through its test on everything with a advisory on slight corrosion on one pipe.   Any ideas of where to look definately on front, no  wandering on the steering or tyre wear.  It even did it going onto the brake rollers.

Cheers
Addy
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