What could this tapping noise be.

joboco

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2002 jeep grand 2.7crd WJ
yesterday I set off from home, about 500mts up the road I had to practically stop to negotiate a very tight left hand turn. As soon as I slowed down there was an almighty hissing/knocking noise from the engine. After a couple of minutes is reduced to a ticking sound. This was coming from the top of the engine. Anyway I continued to drive for about 20 miles round trip. The jeep drove as good as it ever has done.
Can anyone offer any advice?
Thanks guys for anything you can suggest.
Here is a short video of it.

http://www.youtube.com/watch?v=97cGWTcU44s&feature=youtu.be
 

Corned

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My money's on an injector seal blowing. Very common.
 
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joboco

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My money's on an injector seal blowing. Very common.

All the injectors were done 30,000 miles back. There is no sign of black death either.
 

DIYMAN

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Is the oil up to the correct level, your experience sounds a lot like the old BMC 'B' series engine fault, caused by the oil pump pulling air when making a sharp turn.
 

ELGRINGO

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Hi sounds like injector seal as the seats been properly cut?, looking at the tie raps holding on plugs looks like poor job.
 

Pathfinder

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Water leak, steam?
 

mattkh

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2002 jeep grand 2.7crd WJ ....As soon as I slowed down there was an almighty hissing/knocking noise from the engine.
Hi
..Soooo you slowed down before the bend?
How many degrees do you think the car rolled on the sharp bend ?
 
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joboco

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Hi
..Soooo you slowed down before the bend?
How many degrees do you think the car rolled on the sharp bend ?


I stopped before taking the bend, soooooooo it didnt roll anywhere.
thanks anyway for the helpful reply.
 

Naraic

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2005 CL500.
Injector seal I suspect like those above...try feeling for little puffs over the injectors.
 
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J

joboco

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Injector seal I suspect like those above...try feeling for little puffs over the injectors.


I've checked for that several times and there is nothing.
 
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