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displaying posts 1 to 15 of 15
| Author | Subject: can a gti6 engine become a tapper without the belt snapping? |
 j205
Newbie  Location: rotherham Registered: 13 Jan 2008 Posts: 36 Status: Offline |
Post #1
Hi all, I was driving my sc'd 6 engined 205 a few weeks ago. The engine has always been quiet with no tapping, until that day anyway. The tapping started after I had taken her for a spirited run, I could hear the tapping over my music so knew it was bad. I've changed the oil and checked the timing and all is well, but the tap still remains  Does this sound like i've got a bent valve/ guide? |
 Posted 23rd Jun 2010 at 03:19
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chris with a pug
Seasoned Pro  Location: Southampton Registered: 16 Feb 2003 Posts: 5,366 Status: Offline |
Post #2
That sounds like a bottom end bearing gone. |
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Posted 23rd Jun 2010 at 03:50
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j205
Newbie Location: rotherham Registered: 13 Jan 2008 Posts: 36 Status: Offline |
Post #3
oh god don't say that, I put a long screw driver on the engine to pin point the noise and its deff coming from the top |
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Posted 23rd Jun 2010 at 04:08
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mechanical_repairs
Seasoned Pro  Location: leicester Registered: 10 Jan 2005 Posts: 12,122 Status: Offline |
Post #4
Remove the oil filler cap and see if you have any oil spraying around, i have had a few where the oil filter breaks up and clogs the one way valve in the head restricting oil flow, that sounds like its very low with oil to the top end.Carl ________________________________________ C.G.Cars of Leicester, Peugeot/Citroen/Renault specialist Tel: 01162 624498/07799 405184 WWW.CGCARSLEICESTER.CO.UK36 narborough road south, Leicester LE3 2fn MOT station now open, tests £35 with a free retest. Recovery available with a recovery unit, for those not so local jobs Also offer the loan of a free courtesy car 306 dturbo |
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Posted 23rd Jun 2010 at 13:01
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #5
Also check that all the spark plugs are tight as if they come loose they can make a sound like the engine is tapping... Stan. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
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Posted 23rd Jun 2010 at 13:05
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conrad2009
Newbie Location: warwickshire Registered: 10 Jul 2009 Posts: 19 Status: Offline |
Post #6
sounds like the heads as dry as the sahara  could you not flush the oil out and try some fresh oil incase the oilway is blocked?? |
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Posted 24th Jun 2010 at 00:01
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j205
Newbie Location: rotherham Registered: 13 Jan 2008 Posts: 36 Status: Offline |
Post #7
I went over to check the oil today,(its at my parents house) and managed to forget to see if there's any oil in the head, D'oh. When she started up she was quiet with no tapping I left her ticking over and eventually the tapping came back to sound the same as the first video. If there isn't enough oil getting to the head is it a head off to sort it? |
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Posted 24th Jun 2010 at 02:44
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dented_vts
Regular Location: london Registered: 23 Feb 2010 Posts: 440 Status: Offline |
Post #8
mechanical_repairs wrote: Remove the oil filler cap and see if you have any oil spraying around, i have had a few where the oil filter breaks up and clogs the one way valve in the head restricting oil flow, that sounds like its very low with oil to the top end. Carl I presume no oil spraying around = very bad? |
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Posted 24th Jun 2010 at 03:11
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allesclar
Seasoned Pro  Location: Sheffield Registered: 17 May 2009 Posts: 4,254 Status: Offline |
Post #9
what oil you using?________________________________________ Team allesclar ® |
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Posted 24th Jun 2010 at 03:13
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j205
Newbie Location: rotherham Registered: 13 Jan 2008 Posts: 36 Status: Offline |
Post #10
I'm using Silkolene PRO S 10-50w, not the best but the best I could afford |
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Posted 24th Jun 2010 at 03:18
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rich_w
Seasoned Pro  Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline |
Post #11
It's hard to tell if it's top or bottom end from the vid.It could be bottom end, even if the noise is coming from the top. What happens is when the big-end spins, the bearing gets chewed up creating play on the crank. This causes the piston to get thrown up the bore further than it should, kisses the valves, and results in tapping. As it doesn't do it from cold I would be more inclined to say bottom end - big ends don't always knock when the oil is cold and viscous. I would drop the oil and see if there's any swarf in it. If it was a head oil supply issue, it would do it from cold. I doubt it is this. The other option is the timing belt has jumped a tooth, but I think this is unlikely if it sounded normal from cold. I hope this helps mate, give us a call if need be  ________________________________________ Contact Details:rich@lynxpowerengineering.co.uk 07732 822546 |
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Posted 24th Jun 2010 at 04:05
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spiky
Seasoned Pro  Location: Cardiff Registered: 13 Oct 2006 Posts: 2,310 Status: Offline |
Post #12
It's scrapi'll give you 1500 for the kit   ________________________________________ Do you need a 205 > 306 gti6 plug and go engine loom? PM METORQUES for all your braided fuel line needs MY YouTube Videos' SUPERCHARGED 205 GTI6.... are you Fooking nuts!.... ummmm YIP 268+BHP and 860kg = FUN |
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Posted 24th Jun 2010 at 14:56
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j205
Newbie Location: rotherham Registered: 13 Jan 2008 Posts: 36 Status: Offline |
Post #13
Thats really bad news Think itll be staying off the road for some time. |
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Posted 25th Jun 2010 at 00:35
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davedgti6
Seasoned Pro  Location: whiston, prescot Registered: 28 May 2006 Posts: 1,651 Status: Offline |
Post #14
Did you check the spark plugs are all tight? Not the end of the world though if your engine is fooked, plenty of good ones come up for sale________________________________________ Team Supercharged Gti-6™ |
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Posted 25th Jun 2010 at 01:27
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j205
Newbie Location: rotherham Registered: 13 Jan 2008 Posts: 36 Status: Offline |
Post #15
Yes the plugs are tight, I had them in and out to do the compression test.I'm not too sure on the bottom end problem though, the oil pressure is good on the gauge the noise is more tappy than knocky. I'll have to get the sump off to investigate more when I can be bothered |
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Posted 26th Jun 2010 at 06:24
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