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displaying posts 1 to 12 of 12
| Author | Subject: My sewing machine.... (or gti6 as the manufacturer calls it!) |
 adiesouthwell
Newbie  Location: Halifax Registered: 17 Sep 2011 Posts: 45 Status: Offline |
Post #1
Hey all, right my ticking/tapping 6 has been in bits over the past few days, there are no bent valves and the timing is spot on, is there software and a lead i can buy for checking the electronics?Does anyone else have any ideas on the tapping? Thanks.. ________________________________________ OMP Strut Brace3" Stainless scorpian Remap Superchipped R.A.M Air Kit Running 170Bhp @ 6500rpm with cert  www.gti6forum.co.uk |
 Posted 24th Sep 2011 at 15:33
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owain
Seasoned Pro  Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #2
How have you checked they're not bent? Could be damaged stem seals as well.________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Sep 2011 at 15:36
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adiesouthwell
Newbie Location: Halifax Registered: 17 Sep 2011 Posts: 45 Status: Offline |
Post #3
Its been at a specialist in the past few days, they have had the head off and stripped. They have also told me that the car would definately be misfiring if it had bent valves which its not. ________________________________________ OMP Strut Brace3" Stainless scorpian Remap Superchipped R.A.M Air Kit Running 170Bhp @ 6500rpm with cert www.gti6forum.co.uk |
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Posted 24th Sep 2011 at 15:42
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mechanical_repairs
Seasoned Pro  Location: leicester Registered: 10 Jan 2005 Posts: 12,122 Status: Offline |
Post #4
Bent valves, I will strip and rebuild it for free in front of you if you prove me wrong.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 24th Sep 2011 at 15:59
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #5
adiesouthwell wrote: They have also told me that the car would definately be misfiring if it had bent valves which its not. Not at all, as Deepak found in his thread the valves only need to be a few thousands of an inch out to cause a problem, a greasy man in overalls looking at them and saying "yeah mate, they look fine" is not enough to find a problem. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Sep 2011 at 16:01
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midlife
Seasoned Pro  Location: Colne, Lancashire Registered: 13 Mar 2006 Posts: 7,544 Status: Offline |
Post #6
Looks like the "specialist" you took your car to is a numpty!My Rallye was a tapper, I took all the valves out & to the naked eye they all looked fine. As I'm not a "specialist" I started lapping the valves in only to find that two valves were actually bent. My guess is your "specialist" didn't even take the valves out!!  ________________________________________ Get used to seeing the yellow one !!! Team 330™ Team "no front end or engine" Team "LIMITED EDITION" I live for the 306 sticker  Team 0-60 in 6.44 & standing qtr in 14.808 @ 94.55mph all with std engine 203bhp Corolla T-Sport daily driver stealthier than Kwai Chang Caine |
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Posted 24th Sep 2011 at 16:37
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cwspellowe
Seasoned Pro  Location: Calderbank Registered: 19 Jul 2009 Posts: 6,496 Status: Offline |
Post #7
As already mentioned it only takes a tiny bend to make them tap. Only way to really tell is to stick it on a lathe and spin it.________________________________________ Bye bye Sundance Kid |
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Posted 24th Sep 2011 at 16:45
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720puggti
Seasoned Pro  Location: West London Registered: 18 Jan 2009 Posts: 1,069 Status: Offline |
Post #8
Hi Adie,As Owain has pointed out, take a look at my project thread he has posted as a link. Sometime the valves look completely straight, but the slightest bend will cause them to tap without causing a misfire. It's a real pain, but the have a very strict tolerance on their run-out. I'd suggest showing the results I obtained to the engineer who is looking at your car. Good luck with the fix. ________________________________________ Deepak Gohil |
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Posted 24th Sep 2011 at 16:48
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adiesouthwell
Newbie Location: Halifax Registered: 17 Sep 2011 Posts: 45 Status: Offline |
Post #9
Hmm i may have to have another word with them.Might just see if i can obtain a complete head from somewhere. Not as amusing as Kwik Fit's diagnosis..... QUOTE: "Yea mate that's big end tapping that" Kwik Fit's great, they always brighten my day when i want a bit of a laugh! ________________________________________ OMP Strut Brace3" Stainless scorpian Remap Superchipped R.A.M Air Kit Running 170Bhp @ 6500rpm with cert www.gti6forum.co.uk |
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Posted 24th Sep 2011 at 17:43
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720puggti
Seasoned Pro Location: West London Registered: 18 Jan 2009 Posts: 1,069 Status: Offline |
Post #10
Hey Adie,If you're thinking of getting another head, email me, I can sort you one out no problems! ________________________________________ Deepak Gohil |
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Posted 24th Sep 2011 at 17:53
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #11
Heh, they once told me that because my air con had a small leak it "broke their machine", despite it being the vacuum test machine that was there to test air con for leaks. Personally I'd just buy a known non-tapper and get that on, it'll be cheaper than paying useless people to be useless  ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 24th Sep 2011 at 17:53
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velar
Regular  Location: swindon Registered: 04 Jan 2009 Posts: 448 Status: Offline |
Post #12
owain wrote: it'll be cheaper than paying useless people to be useless   ^^^________________________________________ L reg "black and blue" phase 1 track 6 |
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Posted 24th Sep 2011 at 17:58
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