clunking under drivers side floor - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 04-20-2014, 04:36 PM Thread Starter
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clunking under drivers side floor

Hey guys my '03 6.0 with the torqshift has be having a hard shift from 2nd to 3rd with a clunking noise under my feet. I can feel it in the floor. Also when it down shifts under power can feel the same thing. Somewhere I saw somebody say it was the driveshaft bouncing....checked my universals and noticed a bad one in the front PASSENGER side, not where I'm hearing/feeling clunk. Anybody else have this issue? Ford said it was normal but I've driven a hand full of these 6.0's and never felt this...truck has 40k on it, thanks.
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post #2 of 5 Old 04-29-2014, 02:59 PM
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Maybe carrier bearing?
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post #3 of 5 Old 05-18-2014, 04:45 PM
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I'm having the same issue! Clunk from 2nd to 3rd only! Won't do it under soft acceleration or heavy acceleration but just regular/normal driving.

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post #4 of 5 Old 05-18-2014, 05:30 PM Thread Starter
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Mine does it under normal acceleration also....but I also get it when the truck downshifts to 3rd too. It feels like something is flexing in the drive shaft or transfer case....I noticed it too when under acceleration and you take your foot outta it quickly (let off) there's a clunking under my feet. Can't find anything loose...so lost with this issue
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post #5 of 5 Old 05-18-2014, 05:46 PM
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Quote:
Originally Posted by kazper413 View Post
Mine does it under normal acceleration also....but I also get it when the truck downshifts to 3rd too. It feels like something is flexing in the drive shaft or transfer case....I noticed it too when under acceleration and you take your foot outta it quickly (let off) there's a clunking under my feet. Can't find anything loose...so lost with this issue


I don't have an answer for you, but I have driven several of the 6.0 as well, and have not had that happen. Something coming undone. IMHO.

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