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 Posted: Thu Oct 06, 2011 7:45 am |
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Joined: Oct 07, 2010
Posts: 220
Trade Rating: 0
Location: Ipswich-ish
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Hi all,
For the last few weeks/months I've been able to hear/feel a rattle towards the back of the car and have unsuccessfully tried several times to identify it.
I've been under the car banging various things to see what made a noise, and came up with the following:
Spare wheel basket - removed (spare wheel is dangerous and unscrews itself anyway)
Exhaust Pipe - haven't changed anything since before rattle began. Rubber "holders" are fine
Heat Shield (against what I think is the handbrake cable) - have wedged it with foam
This rattle is very prominent when going down a bumpy road at any speed, or when I go through 60-65, it turns into a constant "du-du-du-du-du-du-du" noise from the same area and I can feel it in the bottom of my seat. As far as I know, wheel/tyre balance should be fine. It sounds almost metallic.
Today though, when banging things with my palm under the car, I noticed the fuel tank sounds as if there's a ping-pong ball in there. It's a loud bouncy, echoey noise which could potentially be the thing I'm looking for. Is that possible/normal?
Anyone got any more suggestions?
There's another noise coming from the front divers side wheel area that sounds like a screw being shaken in a metal tub when going over bumps. Nothing seems loose that I can see.
Sorry for the essay!
Cheers,
Tom
Tom
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Posted: Thu Oct 06, 2011 7:57 am |
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Joined: Feb 08, 2010
Posts: 6055
Trade Rating: +53
Location: Salisbury / New Forest
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When we took our 205 apart we found an old fuel pump that had been dropped into the tank! Could be the same for you?
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Posted: Thu Oct 06, 2011 8:03 am |
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Joined: Feb 07, 2010
Posts: 4455
Trade Rating: +1
Location: Essex
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Exhaust baffles?
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Posted: Thu Oct 06, 2011 8:11 am |
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Joined: Feb 09, 2010
Posts: 1067
Trade Rating: +2
Location: KENT
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drop links for the last problem maybe??
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Posted: Thu Oct 06, 2011 8:47 am |
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Joined: Feb 08, 2010
Posts: 877
Trade Rating: +13
Location: Hull, East Yorkshire
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Does the car slow in anyway? As if you have rear drums the shoes in the drum could of broken and be rolling about in the drum. Either that or your rear suspension beam and torsion bars are knackered
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Posted: Thu Oct 06, 2011 8:51 am |
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Joined: Oct 07, 2010
Posts: 220
Trade Rating: 0
Location: Ipswich-ish
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Thanks for your thoughts - I think I might have found something. If I really push the exhaust mid-section, it does hit the underside of the car. I thought it was coming from further back than that, but it would explain why I can feel it through my seat!
Is there anything that resists those sort of temperatures that I could wrap around it to stop it hitting?
Thanks
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Posted: Thu Oct 06, 2011 8:56 am |
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Joined: Sep 12, 2010
Posts: 1912
Trade Rating: +4
Location: Manchester
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Keep the wheel in your boot, if you break down AA and RAC wont come out to you, with greenflag its 50/50 
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Posted: Thu Oct 06, 2011 10:17 am |
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Joined: Jun 28, 2010
Posts: 413
Trade Rating: +4
Location: Newcastle
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what about cars without a spare wheel lol
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| 04/07/10. Black 206 XS 1.6 - Sold
29/03/11. Black GTI 180, Full Sp Kit | |
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Posted: Thu Oct 06, 2011 10:18 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| Will180 wrote: |
| what about cars without a spare wheel lol |
They normally have the crappy tyre weld stuff that ruins the tyre.
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Posted: Thu Oct 06, 2011 10:56 am |
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Joined: Jun 28, 2010
Posts: 413
Trade Rating: +4
Location: Newcastle
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i know that but would the AA or RAC hold that against the person and not come out? lol
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| 04/07/10. Black 206 XS 1.6 - Sold
29/03/11. Black GTI 180, Full Sp Kit | |
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Posted: Thu Oct 06, 2011 11:13 am |
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Joined: Feb 07, 2010
Posts: 4455
Trade Rating: +1
Location: Essex
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| TomMessenger wrote: |
Thanks for your thoughts - I think I might have found something. If I really push the exhaust mid-section, it does hit the underside of the car. I thought it was coming from further back than that, but it would explain why I can feel it through my seat!
Is there anything that resists those sort of temperatures that I could wrap around it to stop it hitting?
Thanks |
I woudnt want to be wrapping anything around the exhaust, I'd rather get it fitted properly so it wasn't hitting anything. As for feeling heat from it through your seat 
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Posted: Thu Oct 06, 2011 12:38 pm |
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Joined: Feb 07, 2010
Posts: 5348
Trade Rating: +33
Location: Kings Lynn
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| E5GDM wrote: |
| TomMessenger wrote: |
Thanks for your thoughts - I think I might have found something. If I really push the exhaust mid-section, it does hit the underside of the car. I thought it was coming from further back than that, but it would explain why I can feel it through my seat!
Is there anything that resists those sort of temperatures that I could wrap around it to stop it hitting?
Thanks |
I woudnt want to be wrapping anything around the exhaust, I'd rather get it fitted properly so it wasn't hitting anything. As for feeling heat from it through your seat |
I would have thought that he would be feeling the vibration through the seat...
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| spike_202 wrote: |
| My Powerflow is quite loud but then again it's on ITBs and has a decat. |
Audi Sport  | |
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Posted: Fri Oct 07, 2011 2:24 am |
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Joined: Oct 07, 2010
Posts: 220
Trade Rating: 0
Location: Ipswich-ish
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Yes I can feel the vibration/banging, not the heat!!
I need some welding done underneath next month, so I will get it looked at properly when it's on the ramps. I just wanted to stop it banging until then. A closer look at the exhaust showed it doesn't quite follow the groove in the floor - it's a couple of inches to one side, so that's the problem.
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Posted: Tue Oct 11, 2011 1:10 am |
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Joined: Oct 22, 2010
Posts: 319
Trade Rating: +2
Location: long eaton, derbyshire
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exhaust i'd say
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