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Old 07-25-2017, 09:11 PM   #19
SuperChief
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Join Date: Apr 2017
Location: Cadwell, GA
Posts: 49
Re: Engine issue tap, tap, tap tap, tap, tap

Quote:
Originally Posted by demian5 View Post
Muffler bearing going out.
Actually you may be correct and I missed the exhaust leak...."The canooter valve is a part of the exhaust regeneration assembly on new diesel engines. The canooter valve usually fails due to overheating of the exhaust bearings.

It's spelled "Canuter" not canooter. Over use of this valve is caused by faulty friggate switch wiring. When this happens, the muffler bearings become hot and can seize. Eventually, the catalytic converter fluid will become tainted with halogen bulb fluid due to canuter valve blow-by.

At this point, it's best to scrap the vehicle..."
Thanks for the astute observation. I did not intend tp hi-jack this thread. I will now only observe answers and refrain from comment.

Last edited by SuperChief; 07-25-2017 at 09:16 PM. Reason: too many big words.
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