Strange Noise From Engine area

Submitted: Sunday, Sep 04, 2011 at 21:11
ThreadID: 88850 Views:2196 Replies:3 FollowUps:5
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HI all.

Coming home from Tamworth the other day there was quite a loud chattering type noise which appeared to be coming from around the engine area on my HJ80 1HDT.

The symptoms were throttling off from high boost. The noise occured only occasionally but was quite loud. As soon as throttle was reapplied the noise stopped. In all it has done it three or four times on random occasions.

My thinking it is the wast gate chattering ( vibrating ) maybe some carbon caught in the waste gate. Anyway I was wondering if anyone else has come across this problem.

Any comments appreciated.

Thank you

Wayne B
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