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Little end Knock/Rattle? 

 

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 Post subject: Little end Knock/Rattle?
Posted: Sun Apr 01, 2007 9:23 pm 
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I've been through the sticky's with no luck and asked this about two weeks ago.....Anyone seen the 4.0 make a Gudgeon pin knock/rattle at 200,000 klms.....I don't even thrash it! Have recently replaced front main seal and cover gasket.....The refitted the cam chain tensioner a few times but still no good.....Even checked pistons with plugs out but could'nt see any t.d.c delay when turning over by hand.....Is either No.1 or 2 cyl???
I reckon it is Gudgeon but just want other experienced opinions....
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Posted: Sun Apr 01, 2007 11:33 pm 
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the pins are press fitted so for it to rattle it would have to be broken or somethin else be broken, i dont think that they could wear that much to make the piston or rod loose...

 

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Posted: Mon Apr 02, 2007 8:16 pm 
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Yes that's tru but im was thinking it still may be worn......Looks like i'm goin to have to pull the front cover of again and check the tensioners :?
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Posted: Mon Apr 02, 2007 8:27 pm 
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sure you've released the spring?
cant really go from gudgeon pin to chain tensioner, they're far from together!

undo a lead when its running you'll find out soon enought if its a pin/bearing.

 

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Posted: Tue Apr 03, 2007 9:11 pm 
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i replaced all the bearings ,oil pump timing chain and tensioner but stil got that noise was told its the crank or piston slap .
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Posted: Tue Apr 03, 2007 9:15 pm 
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My bet is piston slap or a bottom end knock. Before we rebuilt the EB I would've sworn the knock was either gudgeon or piston slap...turns out it was bearing knock. Made me look pretty foolish :oops: :lol:

 

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Posted: Tue Apr 03, 2007 9:34 pm 
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it wont hurt it ive been driving mine like that for 2 years now still runs good just sounds like a diesel when i start it and rev it .
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Posted: Wed Apr 04, 2007 8:58 pm 
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Damn! I'm just curious as to why it seems to have happened just after changed front main seal and cover gasket.....And 'most' of the 4.0 do alot more kays than 200,000......Not what i need right now :x Was thinking i might rip head and sump off if it's only a little end and if the bore measures o.k still up i could replace just that rod and possibly even re-use the piston.....Then again for all that may as well just throw a low kay short motor in and use my worked head on that.....???
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