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Knocking from back due to dampers?
-> 206 Problems

#1: Knocking from back due to dampers? Author: Andrew, Location: Black Country Ay I PostPosted: Mon May 07, 2012 6:55 am
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As soon as my car was lowered on the back it makes a clonking noise when going over slightly bumpy road at slow speeds, kind of sounds like horse shoes on the ground when they walk

The torsion bar was done the correct method, and I have Apex rear dampers which are a bit of a budget brand. Could this noise be due to the dampers or am I looking at something more unpleasant?

When my car was up on ramps a couple of months a go I checked everything for play but it was all fine

#2: Re: Knocking from back due to dampers? Author: Ste, Location: Hull -or- The World Of Info Code PostPosted: Mon May 07, 2012 7:27 am
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Could be the ARB - Mine did this exact noise after lowering also, only at slow speeds on slightly uneven roads..

Losen the ARB torx bolts, give the ARB ends a light tap up and down then tighten the bolts back up Smile

#3: Re: Knocking from back due to dampers? Author: rooney, Location: dublin PostPosted: Mon May 07, 2012 8:03 am
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I just lowered mine this morning, had a knocking noise too,
It was the exhaust hitting of the Axel

#4: Re: Knocking from back due to dampers? Author: richpowell91, Location: Melton Mowbray Leicestershire PostPosted: Mon May 07, 2012 8:26 am
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rooney wrote:
I just lowered mine this morning, had a knocking noise too,
It was the exhaust hitting of the Axel

I would check its not the exhaust hitting the axle aswell, mine does this and i thought it was a shock absorber gone but they were fine. Turned out to the the exhaust hitting the axle, just get hold of the tailpipe and shake it up and down to see if it hits.

#5: Re: Knocking from back due to dampers? Author: rooney, Location: dublin PostPosted: Mon May 07, 2012 8:30 am
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Open the boot get someone big to sit o the egde of the boot and bounce up and down
And see if u can see if it the exhaust , it's wat I did

#6: Re: Knocking from back due to dampers? Author: Andrew, Location: Black Country Ay I PostPosted: Mon May 07, 2012 8:46 am
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Thanks for the advice guys, my tail pipe does sit a little high, have been meaning to get some longer rubbers

I will give both things a try, my worst fear was shot trailing arms or wheel bearings

#7: Re: Knocking from back due to dampers? Author: Steve206, Location: UK PostPosted: Mon May 07, 2012 9:20 am
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How 'lowered' is it?

#8: Re: Knocking from back due to dampers? Author: Andrew, Location: Black Country Ay I PostPosted: Mon May 07, 2012 9:45 am
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In fairness the back is still too low, probably 50mm down at the moment. When the weather is good I want to raise it 10 or 15mm

#9: Re: Knocking from back due to dampers? Author: Uz, Location: No Man's Land PostPosted: Mon May 07, 2012 10:06 am
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Mines doing this and has been for about 6 months. Doesn't bother me and I'm lowered anyway between 70-80mm at the rear.

#10: Re: Knocking from back due to dampers? Author: Andrew, Location: Black Country Ay I PostPosted: Tue May 08, 2012 12:40 pm
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I see, so it could just be a minor annoyance?



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