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Thread: Why does my truck "Quack" ?
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07-15-2019, 08:50 PM #1
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Why does my truck "Quack" ?
Ford F-350 6.7 diesel. When I turn it off, exit the cab, about the time I get to the rear of the truck....it quacks. Just like a duck. One, single, solitary, ...Quack! Anybody got a clue???? (Actually quite humorous)
EdEddie, Cindy, n Maddie (our fearless Yorkie)
2012 F-350 LWB 4x4 6.7 SRW C-cab with B&W Turnover + Companion pulling a 2017 307MKS Reflection
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07-16-2019, 05:00 AM #2
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Not touching this with a 10 foot bill.
Brian
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07-16-2019, 06:26 AM #3
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OMG...Too funny!
I'd be willing to bet the quack noise is coming from the fuel tank or fuel system. Could be a vent be sticking or clogged and you are hearing air rushing in. Maybe it's air or small amounts of fuel or air escaping from one of the fuel filters or fuel lines releasing some of the pressure now that the truck is off. Just a thought.
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07-16-2019, 06:53 AM #4
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07-16-2019, 09:52 PM #5
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I am having so much fun right now coming up with ridiculous answers, but I will be nice, haven't a clue.
Dallas
2017 Momentum 376TH, 2019 Ford F450, Dual Rear Wheel, 4x4, diesel.
2015 Harley-Davidson Street, XG750
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07-19-2019, 02:49 PM #6
Most likely the DEF being purged from the lines.
2018 Reflection 315RLTS
2023 F350 Lariat 6.7L/CC/LB/FX4
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07-19-2019, 03:09 PM #7
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Wow... out of sheer curiosity I googled quacking noise, Ford Diesel. Here's a whole thread about it
https://www.powerstroke.org/forum/ge...uck-quack.html
There is apparently even a TSB about it.
MikeIm Mike Willoughby, and I approve this message.
2017 Ram 3500 CTD (aka FRAM)
2019 Grand Design Reflection 367BHS
Extending 381m garage?
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