Post #1
Just took off the cylinder head and found that most of the lifters are solid when compressed with a finger but 4 of them move down by up to 3mm. Is this normal or could this be the source of the tapping? (edit- or should they all be compressing freely when there is no oil pressure, which could mean the other 12 lifters are blocked/ not working properly??)
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displaying posts 1 to 7 of 7
| Author | Subject: Tapping Head- Lifters |
 sam1
Junior User  Location: Coventry Registered: 11 Dec 2011 Posts: 51 Status: Offline |
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 Posted 19th Apr 2012 at 11:05
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pugjim
Seasoned Pro  Location: Sheffield Registered: 11 Mar 2007 Posts: 1,380 Status: Offline |
Post #2
Search and you will find that your tapping is probably due to a poor head rebuild after a cambelt failure. That sounds pretty normal with the lifters You can drain the lifters of oil by either pulling them apart or clamping them in a vice to squeeze the oil out. A good way to get them apart is to cup them in your hand and give them a whack on a piece of wood. |
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Posted 27th Apr 2012 at 19:51
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #3
As Jim says, get the head checked out at an engineering place and also check ALL valves for trueness, even if they look straight.With the lifters, squeeze them all out of their oil and then reinstall them. They will be noisy at first, then they should pump up and any tapping will stop.  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
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Posted 27th Apr 2012 at 22:53
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dangti6
aka JKshooter  Location: Taunton, Somerset Registered: 15 Jun 2006 Posts: 10,305 Status: Offline |
Post #4
How hard is it to remove the lifters? It's something I've never looked into, but I have a noisy one and if an engine flush doesn't cure it I will have to take it apart.________________________________________  |
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Posted 27th Apr 2012 at 23:14
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #5
Cam covers off.Remove timing belt, remove cam carriers, take camshafts out and then pull whichever lifter out you want. Can be easier to pull them out with a magnet. You will pull the bucket out with the magnet and the lifter is in the underside of the bucket. If you bang the bucket down hard on a bench etc the tappet should fall out the bucket.  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 28th Apr 2012 at 07:53
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coskev
Seasoned Pro  Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #6
You can totally strip the lifters down and clean them properly But watch out for the little springs/bearing inside them!  They do need to be empty when you re-install them after having cams out  ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 30th Apr 2012 at 19:11
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #7
I wonder if mine will tap whenever I decide to start it again.  It last ran on 21st September 2011, and since then has been sat in the garage doing nothing. It has had the engine turned over 180 degress by hand every 2 weeks though. Might get it back on the road in 2014, I bet those lifters will have emptied themselves by then. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 30th Apr 2012 at 19:28
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