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Old 04-23-2013, 05:34 PM
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Turbo boost leak?

Hey guys, when driving my pickup it sounds like theres a turbo leak somewhere more towards the driver side. It only seems to do it when theres more than 20psi of boost. It has seemed to be performing somewhat poorly in the past few weeks. I visually checked over the turbos today and didnt notice anything. Any ideas where the leak could be coming from? or if it could be something else? thanks!
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Old 04-24-2013, 03:16 AM
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First check your piping boots


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Old 04-24-2013, 06:14 AM
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like the boots going to the innercooler?
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Old 04-24-2013, 06:15 AM
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Yes check the boots for the intercooler pipes. ALso check the up pipes and the firewall for soot.
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Old 04-24-2013, 06:53 AM
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Okay thanks! hows the best way to check for small cracks?
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Old 04-24-2013, 07:11 AM
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I guess the best way would be too see if some oil seepage is leaking out of the boots. Might be worth taking them off and cleaning them. I did that a couple of weeks ago.
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Old 04-24-2013, 08:45 AM
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Check those Up-Pipes. How many miles on your rig? Are you tuned or stock? How much boost can you pull WOT?
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Old 04-24-2013, 02:16 PM
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Its got 104k, tuned with a mild tune for the dpf delete. can build about 39psi of boost wide open
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Old 04-24-2013, 02:18 PM
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also it has a raspy sound without much power when engine is cold, any ideas what that could be? thanks!
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Old 04-24-2013, 03:56 PM
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Quote:
Originally Posted by 2008f250twinturbo View Post
Its got 104k, tuned with a mild tune for the dpf delete. can build about 39psi of boost wide open


Gotcha. Well, form what you are saying....I agree with the others about checking the intercooler boots. However, I'm betting on the up-pipes. The up-pipes take a ton of abuse when the 6.4 is stock and regens on a regular basis. Trucks that are deleted early in life and have avoided the brutal heat cycle of regens tend to get more life out of stock up-pipes. However, they can fail at any time stock or not. Look for soot and check those boots. Oh by the way 39PSI is good depending on your tune...check those up-pipes.
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