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roadrunner1 06-29-2013 04:57 AM

What could this tapping noise be?
Hi guys this is my first post. I've been lurking and gaining knowledge from you guys for a while now, but this one has got me baffled.

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.

roadrunner1 06-29-2013 10:10 AM

Re: What could this tapping noise be?

Trav1s 06-30-2013 12:26 PM

Re: What could this tapping noise be?
Sounds like an exhaust leak to me.

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