Clunking noise while towing - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 09-09-2011, 01:07 PM Thread Starter
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Clunking noise while towing

I tow a 28 foot enclosed car trailer. Truck has 87K and is an automatic. I noticed when I am fully stopped and I first step on the throttle there is a clunk or perhaps a drive shaft shutter? Has anyone else experienced this, if so what is the cause and correction? Thanks in advance.

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1963 CHEVROLET NOVA- Reason for Tow Rig, SMALL BLOCK POWERED NATURALLY ASPIRATED NO NITROUS Best ET 9.72@137.17MPH in DENVER,CO
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post #2 of 6 Old 09-09-2011, 03:33 PM
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post #3 of 6 Old 09-09-2011, 03:47 PM
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Are you sure the ball shaft isn't shifting in the receiver? Just a thought....


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post #4 of 6 Old 09-09-2011, 04:10 PM
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Slip joint. Ford puts some blue teflon in there for the slipping but it doesn't help the clunking. I drilled and tapped and when I add grease it fixes it. Grease runs out it starts again.



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post #5 of 6 Old 09-11-2011, 09:50 AM Thread Starter
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Thanks for the help!!! Sure enough I took slip yoke apart and not much grease in there!! Greased it up and hope it cures my issue. Should know in a couple weeks when I tow again!! Thanks again!!

99.5 F350 CC 2WD DRW- Tow Rig, 4" Stainless Turbo-Back Magnaflow Exhaust, 6.0L Trans. Cooler, Foil MOD, CCV Mod, 05-07 Harley Headlights & Badges, AMSOIL DIY Intake, ATS Ported Turbo Housing, Edge CTS Insight, HPX, Mag-Hytec Trans & Diff Cover, BTS V/B
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post #6 of 6 Old 09-11-2011, 09:57 AM
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Gotta make sure you keep grease in there. I drilled and tapped but I don't have a slip yoke cover over mine so it doesn't last long.



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