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very loud tapping noise from the engine

  • mark 88
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26 Jul 2015 10:35 #148433 by mark 88
hi all about 20 miles into a journey an all mighty nasty tapping sound that increases with revs from the engine there is no drop in engine performance. i checked the cams and tappets they seem fine the sound may be coming further down. crank area. my first thought was shells but that would make the a rolling thunder noise than a knock/tap like something is hitting something its got oil in to.
any help would be great thanks

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  • mickt
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26 Jul 2015 16:04 #148458 by mickt
Replied by mickt on topic very loud tapping noise from the engine
Small end(rod/piston connection)!

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27 Jul 2015 02:36 #148494 by kirkynut
Is it piston speed or cam speed?

If piston speed it could be piston slap. I had this on my Ignis Sport. I sold it as a result but the new owner who I told about it is still using it daily.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0

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  • mark 88
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27 Jul 2015 10:35 #148506 by mark 88
Replied by mark 88 on topic very loud tapping noise from the engine
it increases as i rev it is about the best i can say i checked the compression which is fine so my valves aren't bent can i work on the bottom end from under the car once i remove the gearbox i.e remove the pistons from the bottom without removing cylinder head ?? thanks all

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  • OllieNZ
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27 Jul 2015 11:38 #148507 by OllieNZ
Replied by OllieNZ on topic Re:very loud tapping noise from the engine
Which engine?

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  • Decklandpt
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27 Jul 2015 15:35 #148520 by Decklandpt
Replied by Decklandpt on topic very loud tapping noise from the engine
you could on the 1.5ddis, i'm don't see a reason why you wouldn't be able to do so on the petrol one

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