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Hey guys our dually is making a terrible noise from what sounds like the turbo, its only at higher RPMs and mostly when towing the horse trailer. Any ideas???
 

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it is hard to hear in the video, you should pull the hose off and check for bearing slop. If you get contact or debris in there it can throw off the balance and or make turbine contact
 

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make sure you don't have leaks a the intercooler piping cause it will cause weird noises, also if you got exhaust leaks before the turbo
 

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another thing to people dont realize is that on the 05's, it's a common rail injection system, and many times a "TURBO NOISE" has been mis-diagnosed. the fuel rail has a couple of hold down brakets that when they get loose, they clatter pretty bad.. i would maybe check that as well.
 

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Yeah,
on the 05's, the intercooler was plastic on the ends, and it can crack with the result you get a rattling and vibrating sound. Check out your intercooler for cracks or loose flanges.
 
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