clunking noise
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Junior User
Joined: Oct 2007
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clunking noise
I been hearing, off and on when I first start the truck and go about 200 feet a clunk noise and can feel it on the floor. Has anyone else experienced this? I check the wheel locks and they aren't engaged. I am ot sure what it could be. I thought maybe it something with the door locks because they seem to lock automatically at the same time.
Elder User
Joined: Dec 2005
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From: Lebanon TN
Same here
Mine does the same thing and I'm wondering if its related to the A/C. When you defrost, the A/C is activated. Mine has a clunk too. When I turn off my auto climate control, it stops. It's a very noticeable clunk, that to me, sounds as if it is coming from the engine compartment but it could be elsewhere. I don't think anything is broken, but you feel it when it "clunks".
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Joined: Sep 2007
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Performance and mileage
Just ran a trip to Florida with 46ft race car trailer. I installed Edge juice with attitude and ran it in the tow mode. The truck finally had all the power I would need,but the mileage is still down in the 5.5 to 6.1 range. I did notice on the moniter that the truck is running in the regen mode approx 70% of the 2000 mile trip. I am heading to the dealer today to see what we can do about it. The truck also developed a rattling noise under the hood that seems to be related to 20lbs of boost or more.
rrrmotorsports 08 F350 Dually
rrrmotorsports 08 F350 Dually
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Joined: Sep 2007
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Originally Posted by avmike
I own a 08 F350 crew cab, and I get the same "clunk", but it sounds like a door or a "gate" on the heating/cooling system closing..........With some force. Only does it once.
This is what I hear as well but mine does it multiple times. Mine is related to the heating cooling system when in auto. Turning it off, it stops.
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highoctane74
Explorer, Sport Trac, Mountaineer & Aviator
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Sep 30, 2009 02:57 PM
