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Author Topic: something in cylinder bores...  (Read 1806 times)

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ngrainqey

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something in cylinder bores...
« on: 28 December 2008, 19:05:32 »

okay, iv been having problems with my 2.5 recently... think i know why it's been missing on cylinders 3 and 5....cranked the engine over with a socket and it turns then gets stuck and to add to that i'v got sort of electrode splatters on the cylinder heads and some squished spark plugs lol but it looks like eg a female torx socket has fallen into the bores (i dont know how it'll have happened if it has lol)

anyway so i need to take the head off and retrieve whatevers in there but does anybody think maybe the pushrods have gone or big ends?

thanks
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Matchless

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Re: something in cylinder bores...
« Reply #1 on: 28 December 2008, 19:10:55 »

If it is something hardened like a socket then there could be severe damage to both piston and head. You wont know until you get the head off.

Post some pics once its in bits.
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ngrainqey

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Re: something in cylinder bores...
« Reply #2 on: 28 December 2008, 19:14:13 »

ok if i can be arsed to take the head off then i'll get pics,
i'm on about having a rumage around with a magnet on a long stick thing first (see if anything comes out)
i'd have thought that something like a socket would just bounce around and stay within the combustion chamber area rather than actually hit anything

thanks for the reply anyway!
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Marks DTM Calib

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Re: something in cylinder bores...
« Reply #3 on: 28 December 2008, 19:14:54 »

Pushrods will be fine....as it does not have any!
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ngrainqey

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Re: something in cylinder bores...
« Reply #4 on: 28 December 2008, 19:15:40 »

sorry i mean conrods is it? from the crank to the cylinder
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Marks DTM Calib

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Re: something in cylinder bores...
« Reply #5 on: 28 December 2008, 19:15:55 »

On a more serious note.....do all the valve guides look to be intact (inlets and can be viewed with the heads on)
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Elite Pete

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Re: something in cylinder bores...
« Reply #6 on: 28 December 2008, 19:23:47 »

Quote
sorry i mean conrods is it? from the crank to the cylinder
Crank to pistons :)
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ngrainqey

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Re: something in cylinder bores...
« Reply #7 on: 28 December 2008, 19:25:17 »

Quote
On a more serious note.....do all the valve guides look to be intact (inlets and can be viewed with the heads on)

yeah mark all the inlet valves look fine looking between the two banks down the intake ports
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ngrainqey

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Re: something in cylinder bores...
« Reply #8 on: 28 December 2008, 19:27:03 »

oh well... if in doubt i can take the heads off and rag the bottom end out and swap for the spare i have ;)

maybe a good time to swap to an ar35 too lol!
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dbug

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Re: something in cylinder bores...
« Reply #9 on: 28 December 2008, 22:31:47 »

What tw*t managed to drop a female torx socket into an engine & then run it!!!
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ngrainqey

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Re: something in cylinder bores...
« Reply #10 on: 29 December 2008, 13:20:30 »

lol well as far as i know it wasnt me
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Marks DTM Calib

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Re: something in cylinder bores...
« Reply #11 on: 29 December 2008, 13:39:00 »

Quote
Quote
On a more serious note.....do all the valve guides look to be intact (inlets and can be viewed with the heads on)

yeah mark all the inlet valves look fine looking between the two banks down the intake ports

Its not the valves....its the guide that you can just see poking out the heads.

I have had experience where some have cut corners on head re-builds following belt failures where new valves were fitted but, the guides were cracked...the result was an ingested lump of valve guide!

e.g.:


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Ian_D

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Re: something in cylinder bores...
« Reply #12 on: 29 December 2008, 14:51:25 »

Quote
Quote
sorry i mean conrods is it? from the crank to the cylinder
Crank to pistons :)
oh dear alex... Are you 'sure' you know what your doing?  :-X ;) :y
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ngrainqey

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Re: something in cylinder bores...
« Reply #13 on: 29 December 2008, 14:52:55 »

lol piss off ian :P
i have two good heads if the valve guides are fubar'd lol
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Ian_D

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Re: something in cylinder bores...
« Reply #14 on: 29 December 2008, 23:11:32 »

Quote
lol piss off ian :P
i have two good heads if the valve guides are fubar'd lol
Hehehe!!

Still havent answered the question!  ;D

Im sure you will fix it!  :y

Which engine are you turboing btw, is it in a car? Need an update with more pics!!
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