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 > Your search for posts made by 'JCMack' found 2 matches.

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replacement of catalytic converter

I need to replace the cat converter on my 05 workhorse chassis with the 8.1 engine due to something loose and banging around inside most noticeable at idle.Can someone help me with specs. or a part number for cat. converter I require. thanks
JCMack 08/24/19 05:47am Class A Motorhomes
knocking noise in exhaust

On my 2006 Newmar work horse Mountain Aire with the 8.1 engine we have developed noise in the passenger side exhaust that sounds like something metal banging on the exhaust pipe. I have checked the entire exhaust and do not see anything lose. I only hear it at idle. the engine only has 36000 km on it and runs great. We are currently at a camp ground so looking for any thoughts as to where I should be looking, thanks.
JCMack 08/18/19 06:12pm Class A Motorhomes
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