Drive train clunk
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Mountain Pass
Joined: Jan 2010
Posts: 117
Likes: 1
Drive train clunk
Hey guys, my 19 SD has a clunk in the drive train, when I let off the throttle and then hit the throttle again, there is a clunk, like a gear or something is trying to catch up with the rest of the drive train. Not sure if it is in the transmission or rear end, of course sound travels in the driveshaft. Also, there is a low scraping sound at low speeds, coming from the rear. Goes away at high speed. No howling noises, just a scrape sound.
Official Ford Pro Rep
Joined: Feb 2023
Posts: 1,349
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Hey guys, my 19 SD has a clunk in the drive train, when I let off the throttle and then hit the throttle again, there is a clunk, like a gear or something is trying to catch up with the rest of the drive train. Not sure if it is in the transmission or rear end, of course sound travels in the driveshaft. Also, there is a low scraping sound at low speeds, coming from the rear. Goes away at high speed. No howling noises, just a scrape sound.
3rd Gear
Joined: Oct 2020
Posts: 3
Likes: 1
exact same symptoms, 2000 F350 SD 7.3
Best regards,
Jay
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Mountain Pass
Joined: Jan 2010
Posts: 117
Likes: 1
Hello, No, I have not found out what the sounds are. I had a tech listen to it and he said not to worry about it. Truck runs fine, no issues.
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3rd Gear
Joined: Oct 2020
Posts: 3
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Thanks for getting back so quickly.
LOL I will let you know if I figure it out. Going to have a buddy who is a ford super duty mechanic, owns his own shop, who is going to look at it in the next few days. I will let you know if he comes up with anything. It started in ours after our kid ran some trips for his transport business. Only hauled two vehicles a handful of times when his truck was down. Pretty strange sounds and feel.
LOL I will let you know if I figure it out. Going to have a buddy who is a ford super duty mechanic, owns his own shop, who is going to look at it in the next few days. I will let you know if he comes up with anything. It started in ours after our kid ran some trips for his transport business. Only hauled two vehicles a handful of times when his truck was down. Pretty strange sounds and feel.
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5th Wheeling
Joined: Oct 2024
Posts: 39
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Mine’s done the clunk a few times.
found this:
https://www.ford-trucks.com/forums/1...-stopping.html
I haven’t been under mine yet.
found this:
https://www.ford-trucks.com/forums/1...-stopping.html
I haven’t been under mine yet.
Fleet Mechanic
Joined: Nov 2011
Posts: 1,825
Likes: 43
From: Land of Taxes
The slip joint is dry and needs grease. This has been a well-known issue since the beginning of time.
Look me up here for a complete how-to.
Only use the Ford Teflon grease.
See thread #2 & #17.
https://www.ford-trucks.com/forums/1...questions.html
Look me up here for a complete how-to.
Only use the Ford Teflon grease.
See thread #2 & #17.
https://www.ford-trucks.com/forums/1...questions.html
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