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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

Slight Gargling Noise

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Old Sep 7, 2011 | 09:09 PM
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Slight Gargling Noise

I've been noticing a slight gargling noise periodically when I am slowing down. Usually around 10-15 mph. I think it happens mostly as I am coming to a complete stop. Haven't noticed anything if I slow then accelerate. I haven't paid a whole lot of attention because I don't always notice it at a certain point. It's hard to hear if I have the radio on only a few decibels. Has anyone noticed anything of the sort?
 

Last edited by RM2738; Sep 7, 2011 at 09:10 PM. Reason: spelling
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Old Sep 8, 2011 | 05:46 PM
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I heard it today while rolling through a parking lot. 5 miles per hour. barely on the accelerator. I don't have any codes.
 
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Old Sep 8, 2011 | 05:51 PM
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I just double checked my delete pipe, and gave it a bump and it gave a little rattle against a bracket. I'm wondering if that might be it. The mandrel bend in the pipe won't allow me to turn the pipe much more to move away from the bracket.
 
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Old Sep 8, 2011 | 05:59 PM
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interesting. Not sure what to make of it. If it is the pipe could you some how use some wire to temp pull it away to see if that helps?
 
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Old Sep 8, 2011 | 07:47 PM
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Perhaps pull the lower intercooler hose and see if you have any oil or moisture buildup? Other thought would be coolant leaking into the EGR coolers.
 
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Old Sep 8, 2011 | 08:32 PM
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Does it make the noise while on the brakes or while turning?
 
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Old Sep 9, 2011 | 10:15 AM
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Originally Posted by Jessef250
Does it make the noise while on the brakes or while turning?
No. I tied the delete pipe back and will see if that changes anything.

Which unit is the intercooler and where would the lower hose be?

Thanks
 
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Old Sep 9, 2011 | 10:41 AM
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As you are looking at the front of the truck with the hood up. Intercooler is the first radiator you see.
 
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Old Sep 9, 2011 | 09:41 PM
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You have checked your coolant level, right? I don't think you'd hear it, but it wouldn't be good if that sound was your water pump sucking air.

Probably not it, just something to be aware of!
 
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Old Dec 11, 2011 | 05:37 PM
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Found this TSB which seems to explain the noise I'm hearing.

https://www.ford-trucks.com/tsb/full...hp?tsb=09-20-5
 
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Old Dec 11, 2011 | 06:46 PM
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driveline shudder vs gargling?
 
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Old Dec 11, 2011 | 06:53 PM
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Originally Posted by senix
driveline shudder vs gargling?

Yeah. My original explanation wasn't the best. That's just what came to mind while trying to explain it. I originally thought it was the DPF Deletepipe was rattling.
 
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Old Dec 12, 2011 | 03:10 PM
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You Check the level in your fuel cooler?
 
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Old Dec 12, 2011 | 03:43 PM
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Originally Posted by slowmans
You Check the level in your fuel cooler?
That's the small reservoir against the firewall with heat fins on the drivers side? With an overflow hose and metal radiator cap?

It's full.
 
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Old Dec 12, 2011 | 04:56 PM
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Yes that is the fuel cooler.
 
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