vgt troubles - Ford Powerstroke Diesel Forum

 
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post #1 of 10 Old 12-27-2009, 08:39 AM Thread Starter
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vgt troubles

i recently installed a egr delete kit on a 6.0 in a 2005 f350 and now have air rushing at the turbo. when the vgt is unhooked it goes away. what can cause this headache
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post #2 of 10 Old 12-27-2009, 08:45 AM
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Does it sound like a hissing sound? Does it affect the way it works? Heres a for you.
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post #3 of 10 Old 12-27-2009, 08:47 AM Thread Starter
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yes it sounds like hissing at the turbo, when i unhook the vgt it goes away
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post #4 of 10 Old 12-27-2009, 10:22 AM Thread Starter
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what can i do to correct this issue
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post #5 of 10 Old 12-27-2009, 10:25 AM
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Have you checked all of your boots from the turbo to the intercooler ??? and check the wiring to the VGT you might have broken a wire ????
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post #6 of 10 Old 12-27-2009, 10:43 AM Thread Starter
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i've checked the boots and and they look good and are sealed. i have voltage in the wires. i even tryed another vgt and get the same results. what else can i try to correct it
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post #7 of 10 Old 12-27-2009, 02:28 PM
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You may want to check that all of the intake bolts are tight and that the intake is flat and sealed against the block, it definately sounds like ya are sucking air somewhere.
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post #8 of 10 Old 12-27-2009, 03:02 PM
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I would still spray the boots with soapy water. You could have a small crack.
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post #9 of 10 Old 12-28-2009, 01:15 AM Thread Starter
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i'm going to check over everything again and i'll get back with my findings shortly....
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post #10 of 10 Old 12-28-2009, 03:42 PM Thread Starter
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good news,it was the exhaust pipe betind the turbo. it didnt match up well so i loosened everything and line it up again...works perfect now. thanx for the help all...........
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