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 4e tappety noise, rod bearing f****d l

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cannon91
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PostSubject: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 6:19 pm

Well I've finally finished the engine build and ran it. Just a few minutes ago it started a tapping/tappety noise? What are the shim clearances for the 4e and any other noise that can sound like that?
I've just been all over the engine again doublechecking that bolts are torqued right sound is coming from under rocker cover.


Last edited by cannon91 on Sun Nov 04, 2012 8:31 pm; edited 1 time in total
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 6:23 pm

mine was fairly tappety when i put the 4efte back together as i didnt bother with the shim clearances (in a rush).. thats most definitely the cause.. cant think of anything else?
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 6:25 pm

Have spare shims here does anyone know what the clearances are for them?
I've another idea as to what it could be as well I'll check again as it ran grand for 20kms then started to tap.
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 6:28 pm

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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 6:38 pm

Is the noise just on idle?
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 6:38 pm

nope almost non-existent at idle gets louder with a rev
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 7:04 pm

What oil been youse is it the same cams and buckets that came out going back in the same location and all ?
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 7:56 pm

noisy injectors ??cams tensioned ?
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 8:02 pm

did u tension intake camshaft
if not tensioned sounds like that aswell
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 8:36 pm

Intake camshaft is definitely tensioned Colin double checked there now. Shims were numbered and put back the same using the same oil.

Noise is non-existent cold but gets louder the warmer the engine gets. Think clearances are a lot tighter due to lapping the valves during the rebuild?
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 8:58 pm

It would hardly bed in ?
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 9:00 pm

Don't know it might settle down eventually. I can live with a little tappet noise it's when it stops I'll start worrying Razz

I'll check my clearances in the morning when it's cold and see how I'm doing
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 9:03 pm

It's normal for a engine to be a little tight after a build take it hand and let her bed in then change oil and see what hapens
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Oct 28, 2012 9:04 pm

Yeah I'm taking it very easy for the next while to let the rings settle etc. If tappet noise is all I have to worry about I'll be a happy man
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 12:19 am

no it wont bed in it wil only get worse trust me build many before
cannon its o.40 on the exhaust and 0.25 on the intake

and it they are tight cold it wil only be worse when hot
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 9:32 am

5e colin wrote:
no it wont bed in it wil only get worse trust me build many before
cannon its o.40 on the exhaust and 0.25 on the intake

and it they are tight cold it wil only be worse when hot

Cheers Colin that was the info I was looking for. I'll check clearances today when the engine is cold.
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 2:50 pm

no probs hope u get it sorted now after the new build
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 7:55 pm

Clearances are looking good nothing too sloppy or too tight? Mad Double checked cam bolts, both manifolds, belt covers.
Drove it up to Dublin and by the time I got there it was very noticeable even at idle. A constant tapping or rattling as if something was loose? It could hardly be the plate between engine and gearbox?
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 8:33 pm

Is it to one side of the engine r anyting can you try and sorce noise with screw drive ageist ear
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5e colin

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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 8:40 pm

IT WONT BE SANDWISH PLATE CANNON THATS A DIFRENT SOUND
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 8:43 pm

Can't really place it to one area really Mad The noise gets louder when i lift off the accelerator if that helps at all. It seems to be gone away from a tappets noise to nearly one part rattling tapping another at low idle nearly like something in the bay is loose?
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 8:47 pm

Noise has gotten louder now colin after the drive as if the something got looser. It drove fine at first yesterday but this noise just keps getting louder? Please don't tell me something is starved of oil.
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 8:51 pm

are u maybe off whit the timing
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 8:52 pm

have you a oil pressure gauge???
Would prob be well worth getting a few second opinions?? plenty of local lads may notice something you havent picked up on. Has happened me numerous times with stuff like that... including changing wrong wheel bearing cos noise travelled
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 8:57 pm

Lined all the slots up on crank and to the little slot on the distributor so it shouldn't be pinking? Plus it doesn't usually pink when free revving? It's probably going to be something simple I just can't find it yet Sad
Having said that it didn't like starting from cold which is usually a sign of having timing too far advanced isn't it?

@ vwpolo no I haven't got an oil gauge so I'm not exactly sure of what pressure it's making. It's starting to sound more and more like something is loose and getting looser.
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5e colin

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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 9:01 pm

open the oil lid and run her if anything is tapping inthere u will hear

and maybe rip sump back of to check if u think it sounds like that

maybe trow up a vid
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 9:21 pm

I'll try and get a vid of it cold and warm tomorrow and see because it's fairly loud now I'd understand clearances of shims but the noise is getting louder and louder shim noise should stay almost constant maybe getting a little louder at cold?
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Mon Oct 29, 2012 10:55 pm

hope u didnt damage bottom end they get louder and louder
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cannon91
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PostSubject: Re: 4e tappety noise, rod bearing f****d l   Sun Nov 04, 2012 8:31 pm

You were dead right colin, rod-bearing on cylinder 2 was the cause of it all ripped the sump off this evening Sad Crank is almost definitely ruined now and I need this car to get me to college and exams and stuff. Not in a good way right now
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