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 Posted: Wed Jan 25, 2012 3:21 am |
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Joined: Dec 11, 2011
Posts: 183
Trade Rating: +1
Location: sheffield
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Got a rattle which seems consistent with engine speed and get's louder the harder I rev it although it get's better as engine warms.
What does the manifold rattle sound like?
Are there any tell take signs it's manifold or engine?
Thanks.
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Posted: Wed Jan 25, 2012 3:24 am |
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Joined: Dec 11, 2011
Posts: 183
Trade Rating: +1
Location: sheffield
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206 gti 2001 138 bhp by the way
It's done 113k
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Posted: Wed Jan 25, 2012 3:32 am |
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Joined: Aug 17, 2011
Posts: 908
Trade Rating: +18
Location: welshpool, mid wales
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mine does the same, 2000 gti 138 when i rev the car over 2k it makes a tinny rattle i do plan on welding the manifold if i can do it while its on the car. but wont be for a while.
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Posted: Wed Jan 25, 2012 3:53 am |
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Joined: Dec 11, 2011
Posts: 183
Trade Rating: +1
Location: sheffield
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Fair enough but how did you find it was manifold and not engine?
Thanks.
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Posted: Wed Jan 25, 2012 4:08 am |
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Joined: Aug 17, 2011
Posts: 908
Trade Rating: +18
Location: welshpool, mid wales
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i am not 100 % sure as of yet, one way you could find out is to press down on the manifold (with a metal bar) where it joins the cat and get someone to rev the car to see if it makes a difference
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Posted: Wed Jan 25, 2012 4:09 am |
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Joined: Nov 23, 2011
Posts: 52
Trade Rating: 0
Location: gloucester
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mine has the same symtoms its more of a humming than a rattle between 2k to 2.5k rpm.
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Posted: Wed Jan 25, 2012 4:10 am |
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Joined: Feb 10, 2010
Posts: 4014
Trade Rating: +2
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Its normally the heat shield above the manifold that rattles on the GTi's.
You can either tighten it up or remove it...probably easier said than done.
I've not heard a GTi get that doesnt do it.
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Posted: Wed Jan 25, 2012 4:33 am |
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Joined: Feb 08, 2010
Posts: 1709
Trade Rating: +18
Location: London
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| shadow wrote: |
| mine has the same symtoms its more of a humming than a rattle between 2k to 2.5k rpm. |
I had a similar 'humming' sound on mine, cambelt change sorted it.
When was your cambelt last changed?
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| Quote:: |
| Haven't got a pic but we all know what they look like. |
Being the picky sort - I really hate it when people say this. Yes we all know what it looks like - but we all want to see the condition that yours is in! | |
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Posted: Wed Jan 25, 2012 4:46 am |
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Joined: Dec 11, 2011
Posts: 183
Trade Rating: +1
Location: sheffield
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| juanfernandes wrote: |
| shadow wrote: |
| mine has the same symtoms its more of a humming than a rattle between 2k to 2.5k rpm. |
I had a similar 'humming' sound on mine, cambelt change sorted it.
When was your cambelt last changed? |
That's something that will be definitely getting done at mot in march, to be perfectly honest I don't know if it has ever been changed. And its done over 100k 
There is no record in the service history.
So can cam belt cause a rattle noise as well?
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Posted: Wed Jan 25, 2012 4:48 am |
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Joined: Feb 08, 2010
Posts: 1709
Trade Rating: +18
Location: London
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| m4tth3w wrote: |
| juanfernandes wrote: |
| shadow wrote: |
| mine has the same symtoms its more of a humming than a rattle between 2k to 2.5k rpm. |
I had a similar 'humming' sound on mine, cambelt change sorted it.
When was your cambelt last changed? |
That's something that will be definitely getting done at mot in march, to be perfectly honest I don't know if it has ever been changed. And its done over 100k
There is no record in the service history.
So can cam belt cause a rattle noise as well? |
First thing that should have been done if there are no records, guess you been very lucky.
Not sure if it would cause a rattle. Could it be the cat that is crumbling inside, and the loose bits are rattling or it it a loud rattle?
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| Quote:: |
| Haven't got a pic but we all know what they look like. |
Being the picky sort - I really hate it when people say this. Yes we all know what it looks like - but we all want to see the condition that yours is in! | |
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Posted: Wed Jan 25, 2012 4:55 am |
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Joined: Feb 10, 2010
Posts: 4014
Trade Rating: +2
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| m4tth3w wrote: |
| juanfernandes wrote: |
| shadow wrote: |
| mine has the same symtoms its more of a humming than a rattle between 2k to 2.5k rpm. |
I had a similar 'humming' sound on mine, cambelt change sorted it.
When was your cambelt last changed? |
That's something that will be definitely getting done at mot in march, to be perfectly honest I don't know if it has ever been changed. And its done over 100k
There is no record in the service history.
So can cam belt cause a rattle noise as well? |
Its more than likely the manifold heat shield, they always vibrate and cause noise at the RPM you have said.
EDIT: Sorry, just noticed it was "shadow" who put at what RPM the noise was.
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Posted: Wed Jan 25, 2012 6:02 am |
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Joined: Dec 11, 2011
Posts: 183
Trade Rating: +1
Location: sheffield
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| juanfernandes wrote: |
| m4tth3w wrote: |
| juanfernandes wrote: |
| shadow wrote: |
| mine has the same symtoms its more of a humming than a rattle between 2k to 2.5k rpm. |
I had a similar 'humming' sound on mine, cambelt change sorted it.
When was your cambelt last changed? |
That's something that will be definitely getting done at mot in march, to be perfectly honest I don't know if it has ever been changed. And its done over 100k
There is no record in the service history.
So can cam belt cause a rattle noise as well? |
First thing that should have been done if there are no records, guess you been very lucky.
Not sure if it would cause a rattle. Could it be the cat that is crumbling inside, and the loose bits are rattling or it it a loud rattle? |
Not loud at all but definitely doesn't sound right, it's the kind of noise that put's you off giving it some stick.
So I'm taking it easy till mot, when I can get cam belt done.
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Posted: Wed Jan 25, 2012 6:46 am |
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Joined: Nov 23, 2011
Posts: 52
Trade Rating: 0
Location: gloucester
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| juanfernandes wrote: |
| shadow wrote: |
| mine has the same symtoms its more of a humming than a rattle between 2k to 2.5k rpm. |
I had a similar 'humming' sound on mine, cambelt change sorted it.
When was your cambelt last changed? |
not due for another 4k or 11 months which ever sooner,
i did check the belts and all seem good but sometimes you can never tell until its off the car, my theory is either manifold, heatshield, engine cover (which will be off on the way home from work to eliminate or prove this).
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Posted: Wed Jan 25, 2012 12:48 pm |
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Joined: Nov 23, 2011
Posts: 52
Trade Rating: 0
Location: gloucester
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problem solved  i took the engine cover off and found that 2 clips where broken so left it off drove home and no rattle/humming 
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Posted: Thu Jan 26, 2012 12:10 pm |
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Joined: Dec 11, 2011
Posts: 183
Trade Rating: +1
Location: sheffield
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| shadow wrote: |
| problem solved i took the engine cover off and found that 2 clips where broken so left it off drove home and no rattle/humming |
Really? That's interesting!
My engine cover is held on with a tie strap on one side. Think ill follow your lead.
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