I hope it's nothing...
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Locomotive breath
Joined: Jan 2006
Posts: 1,354
Likes: 1
From: Mid Oh. Ponderosa
I hope it's nothing...
... But my gut tells me otherwise. Monday while here in PA. my truck started makeing a clunking sound when I put it in gear and sometimes when I let off the throttle going 50-60mph. Also when I let off at that speed I'm getting more driveline vibrations that wern't there before. The banging-clunking sound sounds like it's right below my feet. U-joints are good as well as the carrier bearing. Haven't greased the slip yoke in awhile maybe that's it I wonder. Transmission shifts great, other than that sound putting in gear. Any help would be welcome....Bill
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
I haven't greased the slip joint in years. Seal has been gone forever too. The splines are basically dry all the time. I would be surprised if thats it.
When you say the u-joints are good you mean....???
When you say the u-joints are good you mean....???
Elder User
Joined: Aug 2013
Posts: 588
Likes: 14
Be sure when you check these, the vehicle is neutral and the parking brake if off. CHOCK WHEELS FRONT AND BACK !!!!!!!!!!!!!!!
This way there is no stress on the drive train and you're more likely to identify a worn one. But.....
CHOCK WHEELS FRONT AND BACK !!!!!!!!!!!!!!!
This way there is no stress on the drive train and you're more likely to identify a worn one. But.....
CHOCK WHEELS FRONT AND BACK !!!!!!!!!!!!!!!
Post Fiend
Joined: Mar 2007
Posts: 26,966
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From: Texas
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Senior User
Joined: Sep 2008
Posts: 113
Likes: 1
From: East of Seattle
I had a clunk on take off a few weeks back. Went away when the slip yoke was lubed and re-sealed.
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Senior User
Joined: Sep 2008
Posts: 113
Likes: 1
From: East of Seattle
Interesting, because I also had that new clunk after the transmission was replaced with the HD unit (the first time). I was told it was the slip yoke, it was addressed, and the noise is gone. Then again, I don't have the greatest confidence in the dealership that has been addressing my issues.
Logistics Pro
Joined: Mar 2007
Posts: 4,580
Likes: 838
From: knoxville, tn
I would grease the slip yoke first and see if that solves the problem. If not, then pull the drive shaft and check the joints. Checking them in the truck doesn't give a true representation of their condition.