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post #1 of 17 Old 03-05-2013, 07:31 PM Thread Starter
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Hissing noise

I have a 08 f250 and was wandering if anyone heard a hissing noise coming from the right side of the truck by the wheel well after turning off the truck? No clue what it is

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post #2 of 17 Old 03-05-2013, 10:31 PM
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I would check to see if you have a boost leak maybe on the hot side intercooler pipe if not that it might be a hole in the intercooler it's self like mine, I have a hole and its a pretty loud hiss.

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post #3 of 17 Old 03-06-2013, 04:21 PM Thread Starter
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Ill check it out thanks. And thank you for your service.

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post #4 of 17 Old 03-10-2013, 11:16 AM
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Oh boy hissing is usually a boost or exhaust leak. Hopefully it's a boost leak that can be easily fixed. Bad case scenario are the up pipes.

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post #5 of 17 Old 03-10-2013, 11:19 AM Thread Starter
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Hopefully. It's a very light hiss that I can hear in my front passenger wheel well

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post #6 of 17 Old 03-10-2013, 06:30 PM
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Check for soot. Not a good sign if it's present around your engine.

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post #7 of 17 Old 03-10-2013, 06:41 PM Thread Starter
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I revved it and didn't see anything. I recently had the head gaskets replaced. I guess they would have noticed if something was wrong

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post #8 of 17 Old 03-10-2013, 07:47 PM
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Re: Hissing noise

Is there ever any squealing while you are accelerating our anything?

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post #9 of 17 Old 03-10-2013, 07:54 PM Thread Starter
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Nothing. Runs like a dream.

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post #10 of 17 Old 03-10-2013, 07:57 PM
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Re: Hissing noise

Ok. Mine has a broken exhaust manifold bolt and some times it squeals. You may have a look at your manifold bolts just to rule it out.

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