Installed DPF delete kit and edge race programmer getting turbo noise - Ford Powerstroke Diesel Forum

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post #1 of 11 Old 08-19-2010, 06:30 PM Thread Starter
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Installed DPF delete kit and edge race programmer getting turbo noise

I installed the DPF and Cat delete today on my 09 6.4. along with the edge race tuner. Now when I turn the engine off It sounds like the turbo is still spinning. It sounds pretty weird. It seems like the noise may be coming from the air box but it definitely sounds like the turbo. I was curious if this was due to the backpressure being relieved and hope it is normal. Anyone else get this noise??? Thanks
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post #2 of 11 Old 08-19-2010, 06:35 PM
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How long does the noise last after you shut the truck off? I just installed dpf/cat pipe today as well and for about 2 seconds after ahutting off the truck I notice a winding down noise but haven't thought anything about it.
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post #3 of 11 Old 08-19-2010, 06:36 PM
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the sound you are hearing is the turbo with the dpf removed,it's way of saying thank you,

Last edited by FukeneH; 08-19-2010 at 06:38 PM. Reason: read the title of the thread
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post #4 of 11 Old 08-19-2010, 06:37 PM
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sounds like a hair dryer right?
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post #5 of 11 Old 08-19-2010, 06:40 PM Thread Starter
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It sounds like the turbo winding down for a couple of seconds, I can definitely feel it in the air box when I have someone else shut it off and I have my hand on the box. I was hoping it was normal. It scared the heck out of me at first.
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post #6 of 11 Old 08-19-2010, 06:47 PM
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turbo's do not have brakes on them what you are hearing is the turbo's spinning
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post #7 of 11 Old 08-19-2010, 07:20 PM
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It is normal mine does it for a few seconds once it's turned off sure makes people look though!
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post #8 of 11 Old 08-19-2010, 08:06 PM
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Quote:
Originally Posted by FukeneH View Post
the sound you are hearing is the turbo with the dpf removed,it's way of saying thank you,
that's funny

09 F-250 Superduty CCSB
SOLD
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post #9 of 11 Old 08-19-2010, 10:50 PM
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mine does the same thing. is just the turbos spinning.

-Mike

2005 F-250 Lariat

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And you didn't know Cummins can manage 127mpg??? They also deliver babies, go to Mars, and cure AIDS. DUH
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post #10 of 11 Old 08-20-2010, 04:37 AM
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Anything that spins at 20,000rpm takes a little time to stop. It's normal, you just didn't hear it before because of all the stuff in the way.

-John
Rudy's Diesel Performance - 919-383-9300 - Diesel Tech

WWW.DPFDELETEKITS.COM
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