6.0 low pitched whistle - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 20 Old 01-13-2009, 07:59 PM Thread Starter
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6.0 low pitched whistle

hey wondering if any one has had this issue. truck makes a low pitched whistle under a load or letting off the gas quick after punching it. not constant it fades in and out thanks for the help
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post #2 of 20 Old 01-13-2009, 08:02 PM
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it just the turbo winding down if i read correctly

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post #3 of 20 Old 01-13-2009, 08:06 PM
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Does it sound like a tea kettle??.... Then it is your degas bottle and its either head gaskets or egr causing it

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post #4 of 20 Old 01-13-2009, 08:15 PM Thread Starter
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whistle

yeah its seems to make it more with the bigger tunes and i just had some coolant coming out of the bottle. but it doesnt get loud like a tea kettle
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post #5 of 20 Old 01-13-2009, 08:15 PM
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I think I know what noise you're talking about my 6.0 did the same thing...I've heard it compared to a tea kettle which is most like it. In all that I have read it all goes back to head gaskets failing. The noise comes from the degas bottle cap, and with mine I bought a new cap because in a few cases I read about the cap having an issue, and that solved the problem for a while but the droned out whistle returned sadly. So how many miles are on your truck? If it is within warranty I'd be scheduling a date with the dealer...

EDIT - Someone beat me to it


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post #6 of 20 Old 01-13-2009, 08:15 PM
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Originally Posted by huhner5 View Post
Does it sound like a tea kettle??.... Then it is your degas bottle and its either head gaskets or egr causing it
I have an 06 that has done this twice this week. I'm guessing it's coming from my turbo, or possibly a leak in the turbo outlet pipe causing the whistle sound (Maybe a crack in my pipe, or the tube is loose). Going to check into it more on the weekend if it keeps doing it. Can't see it being a head gasket or egr issue unless it's puking coolant, which mine isn't.

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post #7 of 20 Old 01-13-2009, 08:19 PM
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Originally Posted by Iqoair View Post
I have an 06 that has done this twice this week. I'm guessing it's coming from my turbo, or possibly a leak in the turbo outlet pipe causing the whistle sound (Maybe a crack in my pipe, or the tube is loose). Going to check into it more on the weekend if it keeps doing it. Can't see it being a head gasket or egr issue unless it's puking coolant, which mine isn't.
Mine didn puke either because i ran my coolant so low.... but it was both my egr and gaskets

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post #8 of 20 Old 01-13-2009, 08:20 PM Thread Starter
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yeah i think your right about the head gaskets never used to make it with big tunes just puked a little coolant now all of a sudden makes this sound truck has 70k on it
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post #9 of 20 Old 01-13-2009, 08:24 PM
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Originally Posted by shakir147 View Post
yeah i think your right about the head gaskets never used to make it with big tunes just puked a little coolant now all of a sudden makes this sound truck has 70k on it
Was it overheating when this happened?

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post #10 of 20 Old 01-13-2009, 08:24 PM
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Quote:
Originally Posted by shakir147 View Post
yeah i think your right about the head gaskets never used to make it with big tunes just puked a little coolant now all of a sudden makes this sound truck has 70k on it
Ya mine had 60k on it (Looneytuned for 55k) Now i studded and no more egr system.. Life is good now

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