Post #1
hi all...my 6 has developed a severe top end rattle, severe lack of oil getting to the top end yet oil pressure seems fine.....
any thoughts please people
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displaying posts 1 to 18 of 18
| Author | Subject: 6, top end rattle |
 ash306gti6
Newbie  Location: stroud Registered: 05 Oct 2010 Posts: 17 Status: Offline |
my 6 has developed a severe top end rattle, severe lack of oil getting to the top end yet oil pressure seems fine..... any thoughts please people |
 Posted 5th Oct 2010 at 00:40
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309btcc
**DODGY SELLER** Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
Post #2
is it when hot or cold?? and did it come all of a sudden?? |
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Posted 5th Oct 2010 at 00:46
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ash306gti6
Newbie Location: stroud Registered: 05 Oct 2010 Posts: 17 Status: Offline |
Post #3
yeah was driving not hard, stopped the car restarted it about 10mins later and it rattled its tits off :/ wsa warmish then i guess and defo does it from cold 2 |
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Posted 5th Oct 2010 at 00:48
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309btcc
**DODGY SELLER** Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
Post #4
u checkd oil may be low or needs a change or a stick lifter stick sum engine flush thru it drop the oil then put sum good semi in it.. |
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Posted 5th Oct 2010 at 00:52
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ash306gti6
Newbie Location: stroud Registered: 05 Oct 2010 Posts: 17 Status: Offline |
Post #5
oil was spot on the money, just had a full sevice less that 1000 ago. removed the rockers and there is oil starvation to the top end for sure |
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Posted 5th Oct 2010 at 00:55
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309btcc
**DODGY SELLER** Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
Post #6
sounds like it maybe the oil spray bars then get a airline and blow them thru and clean them with brake cleaner |
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Posted 5th Oct 2010 at 00:57
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ash306gti6
Newbie Location: stroud Registered: 05 Oct 2010 Posts: 17 Status: Offline |
Post #7
inspected and cleaned them lol all clear and spot on hence why im starting to scratch my head :/ |
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Posted 5th Oct 2010 at 00:58
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coskev
Seasoned Pro  Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #8
What make filter did you use?I would change that,as its easy and cheap to try  Does your low oil pressure warning light go out as normal when you start car?  Have you re-sealed anything on engine using gasket sealer recently?  (sump/cam covers etc)________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 5th Oct 2010 at 02:13
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ash306gti6
Newbie Location: stroud Registered: 05 Oct 2010 Posts: 17 Status: Offline |
Post #9
It had a genuine oil filter, i personally havent resealed anything but havent long purchased the car :/ Oil light goes out as should when started..... would severe head gasket failure cause this problem if excess oil is going into water? |
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Posted 5th Oct 2010 at 16:09
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Rich E
Forum Admin Location: Hertfordshire Registered: 27 Apr 2005 Posts: 7,757 Status: Offline |
Post #10
The head has a one way valve on it's oil feed that stops the oil draining out of the head when the engine is off. It's been known for this to clog up and starve the head of oil.It's a head off job to sort it out unfortunately, but it's worth trying some engine flush to see if that cleans it out. ________________________________________ Rich |
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Posted 5th Oct 2010 at 16:46
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midlife
Seasoned Pro  Location: Colne, Lancashire Registered: 13 Mar 2006 Posts: 7,544 Status: Offline |
Post #11
Mine sounded like a severe top end rattle when it was actually a spun big end bearing.. ________________________________________ 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 5th Oct 2010 at 17:02
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Rich E
Forum Admin Location: Hertfordshire Registered: 27 Apr 2005 Posts: 7,757 Status: Offline |
Post #12
Yeah, mine too, although you'd expect to see oil pressure and temperature issues (along with crap running!) with a spun bearing.The normal oil pressure, the OP's observed oil starvation in the head and the lack of mention of any other running issues suggests the bottom end is okay. ________________________________________ Rich |
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Posted 5th Oct 2010 at 17:27
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cwspellowe
Seasoned Pro  Location: Calderbank Registered: 19 Jul 2009 Posts: 6,496 Status: Offline |
Post #13
I once had a loud top end rattle after a spirited drive, thought the belt had slipped a tooth or something but it disappeared after a couple of easy miles later  Probably oil starvation or something but not a peep out of it since ________________________________________ Bye bye Sundance Kid |
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Posted 5th Oct 2010 at 17:30
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ash306gti6
Newbie Location: stroud Registered: 05 Oct 2010 Posts: 17 Status: Offline |
Post #14
Yeah def got oil starvation 2the cam's, sounds like i'm gonna b whipping the head off then, is it a case of just cleaning the one way valve if clogged? |
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Posted 5th Oct 2010 at 18:04
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mechanical_repairs
Seasoned Pro  Location: leicester Registered: 10 Jan 2005 Posts: 12,122 Status: Offline |
Post #15
ash306gti6 wrote: Yeah def got oil starvation 2the cam's, sounds like i'm gonna b whipping the head off then, is it a case of just cleaning the one way valve if clogged? Best to get a new one, get a sizeable self tapper and screw it into the valve then pull it out with pliers, this will then remove the valve from the head. Normally you will find paper from the oil filter clogged up in there, pain as to fix the problem will take minutes it's just the heart axe to get to it. 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 8th Oct 2010 at 02:54
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james_gti6
Senior User  Location: Goodwick Registered: 18 Jan 2010 Posts: 528 Status: Offline |
Post #16
 sling this in  ________________________________________ if i dont see you in the mattress il see you in the spring |
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Posted 8th Oct 2010 at 03:14
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ash306gti6
Newbie Location: stroud Registered: 05 Oct 2010 Posts: 17 Status: Offline |
Post #17
ive got it semi stripped so just gonna rip it apart on saturday and go from there... may as well do a rebuild whilst im at it and go to town.... alot of hassle just for one poxy valve grrrrr so may as well tweak a few bits whilst its apart  oh how i love cars..... ha |
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Posted 8th Oct 2010 at 15:36
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ash306gti6
Newbie Location: stroud Registered: 05 Oct 2010 Posts: 17 Status: Offline |
Post #18
stripped the head off to find the one way valve to be clogged up with what looks like an old piece of gasket grrrr, still problem solved hopefully, head to be sent off for pressure test and a skim then refit it all back together and hopefullly happy daysthanks for your input those that have commented with suggestions.... I will update once refitted but fingers crossed |
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Posted 12th Oct 2010 at 15:30
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