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displaying posts 1 to 12 of 12
| Author | Subject: Ratte at 3100 RPM |
 gti306ftw
Junior User  Location: Billericay Registered: 26 Jul 2009 Posts: 59 Status: Offline |
Post #1
When the cars in gear at 3000 odd revs i get a rattling noise from the CAT area.I have just had a new CAT and silencer fitted, but the rattle occured before this. it only happens when im in gear! frustrating when your trying to point it out to the bloke at the Exhaust place!  anyone know what this might be ? it definatly sounds external.. Heatshield perhaps ? |
 Posted 13th Aug 2010 at 17:34
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blaze wip
Senior User  Location: Hexham Registered: 07 Sep 2009 Posts: 926 Status: Offline |
Post #2
Heat shield or engine mount maybe?  EDIT: Engine mount would be more like a droning vibration than a rattle so probably the heatshield ________________________________________ mechanical_repairs wrote: i feel like giving her a good dry bumming session. |
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Posted 13th Aug 2010 at 17:37
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birk
Seasoned Pro  Location: Doncaster Registered: 24 Oct 2005 Posts: 7,032 Status: Offline |
Post #3
As blaze said, i'd place my bets on it been the manifold heatsheild or the engine mount been loose.Both came loose on my a few weeks back, quick tighten up and they were fine. ________________________________________ Dimma + Gt35 turbo = Solid rear beam mounts £130 07889376885 Dan |
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Posted 13th Aug 2010 at 17:54
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armzsc6
Seasoned Pro  Location: Crowborough Registered: 22 Mar 2008 Posts: 3,445 Status: Offline |
Post #4
had the same prob on my black 6 a few months back. One of the 4 manifold heat shield bolts had come loose. And of corse is was the very awkward one on the lower drivers side... ________________________________________ Black power baby! SUUUUUPERCHARGED Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p 12x 306's owned so far Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist. Pug planet / Citroen Lexia diagnostics / code reads available. |
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Posted 13th Aug 2010 at 18:08
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beez_neez_gt
Seasoned Pro  Location: @ de limit of adhesion ! Registered: 14 Oct 2008 Posts: 2,916 Status: Offline |
Post #5
This happened to me and i found out it was the catalytic converter, the previous owner bought an aftermarket Jobie rubbish, the seal had come loose so the inner part of it was moving around making a rattle at those revs.________________________________________ Pug fee`ver,Pick a Bogey, buy a Pug. Black 306 GTI 6 Standard, was 60k mileage, bargain!! Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url & = |
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Posted 13th Aug 2010 at 20:07
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ablister
Senior User  Location: fife Registered: 30 Oct 2005 Posts: 522 Status: Offline |
Post #6
double check lambda probe is tight________________________________________ 306 rallye, Richard Longman enginerc10gt |
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Posted 13th Aug 2010 at 23:10
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gti306ftw
Junior User Location: Billericay Registered: 26 Jul 2009 Posts: 59 Status: Offline |
Post #7
Thanks for the info! ill take all this on board when I get under the car! as birk said most likely something to do with the heat shield or the engine bolts. I had a new sportier CAT put in recently so it cant be that. |
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Posted 13th Aug 2010 at 23:50
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kit
Seasoned Pro  Location: Location: Location: Registered: 22 Jan 2009 Posts: 2,394 Status: Offline |
Post #8
I am getting this but not when I rev the car. It's evident when I turn the ignition on/off when the car is warm. Could this be down to the cat?Sounds like it's coming from the gear stick area. ________________________________________ Racing driver, fighter pilot, astronaut, compulsive liar. |
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Posted 14th Aug 2010 at 04:42
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beez_neez_gt
Seasoned Pro Location: @ de limit of adhesion ! Registered: 14 Oct 2008 Posts: 2,916 Status: Offline |
Post #9
Its the cat area for sure, could be the heat shield most likely.________________________________________ Pug fee`ver,Pick a Bogey, buy a Pug. Black 306 GTI 6 Standard, was 60k mileage, bargain!! Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url & = |
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Posted 14th Aug 2010 at 04:48
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willygti
Seasoned Pro  Location: Exeter Registered: 08 Oct 2007 Posts: 5,024 Status: Offline |
Post #10
Timing belt too lose? Remove the belt cover asap and give it a check! ________________________________________ Team Ducati 7482003 Subaru Impreza STi |
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Posted 14th Aug 2010 at 14:57
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chas
Seasoned Pro  Location: Warwickshire Registered: 31 Oct 2007 Posts: 1,468 Status: Offline |
Post #11
Whilst it could be the cat, I believe that a shot exhaust gasket at the Manifold/cat join can cause this (it did for me anyway).Get a genuine Pug fitting kit (about £18), the others seem to come with the wrong nuts and no spacers etc. and generally can sometimes be more pain that they are worth for the reduced price. If this wasn't changed when the cat was changed, I would almost guarantee that the gasket is causing your rattling. ________________________________________ Ex Owner of 2000 Phase 3 306 GTi 6 China Blue - You shall be missed1974 Triumph Stag 1989 Peugeot 205 GTi 1.6 2003 Alfa Romeo 147 JTD Lusso 2005 Mondeo Ghia X 3.0 Estate LPG |
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Posted 10th Sep 2010 at 04:00
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justinaccurate
Seasoned Pro
 Location: Cov Registered: 29 Apr 2006 Posts: 14,425 Status: Offline |
Post #12
Do you have aftermarket gear linkages? Mine vibrated at certain revs in every gear |
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Posted 10th Sep 2010 at 12:30
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