clunking when stoping and taking off - Ford Powerstroke Diesel Forum
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Old 05-08-2013, 02:01 PM
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clunking when stoping and taking off

hey guys ive been having a issue after i picked my truck up from the line x shop...when i come too a complete stop or on a take off it feels like theres slack somewhere...like if my rotors where worm where the bolts go the wheels would stop then the truck would move a half inch...its hard too explain...lol anyways we check out my brakes they look alright my buddy checked the driveshaft and he says the u joints are ok..(he works at a driveline shop) he mentioned maybe clutch packs or something in the rear diff??? all ideas are welcome lol
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Old 05-08-2013, 02:41 PM
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I am glad you posted... My truck does the same thing it sounds like. I have been wondering if its brake related as i feel like i can keep it from happening if i am light on pedal.
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Old 05-08-2013, 07:29 PM
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Had the same with mine, ended up being the short drive shaft to the transmission. There is a boot there that needs grease, remove steel clamps, slide boot back and pump with grease. Use zip ties to hold boot back in place or original steel clamps. Drive it a bit and the slack goes away.
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Old 05-09-2013, 04:47 AM
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Subscribed....I have this issue too and I jave had my truck in two times.
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Old 05-09-2013, 06:26 AM
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Yup same thing happened on mine I think it's the slip yoke....something like that. Same thing atv joe said
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Old 05-10-2013, 07:42 AM
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Anyone else have some feedback? I'm chasing a white Unicorn with this problem.

Thanks,
Turbo Kidd
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Old 05-11-2013, 10:23 PM
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check and make sure the spare tire is tight in its holder and not moving around any.
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Old 05-12-2013, 05:29 AM
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Quote:
Originally Posted by RollinCoal705 View Post
hey guys ive been having a issue after i picked my truck up from the line x shop...when i come too a complete stop or on a take off it feels like theres slack somewhere...like if my rotors where worm where the bolts go the wheels would stop then the truck would move a half inch...its hard too explain...lol anyways we check out my brakes they look alright my buddy checked the driveshaft and he says the u joints are ok..(he works at a driveline shop) he mentioned maybe clutch packs or something in the rear diff??? all ideas are welcome lol
Sounds exactly like what mine was doing. Turned out I needed the entire rear-end rebuilt. I have around 118k.
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Old 05-13-2013, 11:12 AM
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the clunk

Quote:
Originally Posted by ATVJOE View Post
Had the same with mine, ended up being the short drive shaft to the transmission. There is a boot there that needs grease, remove steel clamps, slide boot back and pump with grease. Use zip ties to hold boot back in place or original steel clamps. Drive it a bit and the slack goes away.
I had the same issue and was able to correct it by greasing the drive shaft. The old grease was pretty dry and was causing the drive shaft to "stick" until the suspension changed from loaded or unloaded. The resulting noise/feel is a slight "pop" that feels like a loose bolt on a suspension component moving.
Put a little grease in it and no more problems.
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Old 05-14-2013, 01:14 PM
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Its the slip yoke..... Undo it and clean the splines.
Grease it and reassemble. Use zip ties on the rubber boot if you cannot reuse the factory clamps....
Good to go with no more clunking.
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