clunk noise from take off

[early99powerstroke]

I have a early 99 f250 super duty. when ever I take off from a dead stop the truck makes a loud clunk. checked the U-joints for play and I couldn't find any. Any ideas?

 

[Spatel23]

carrier bearing?

 

[early99powerstroke]

I grabbed the drive line and shook it to check for that and didn't get any play out of the carrier bearing.

 

[PA Stroker]

grease the slip yoke on the drive shaft. Thats usually the problem.

 

[early99powerstroke]

Thanks I'll give that a try and report back if that works.

 

[78f100]

grease the slip yoke on the drive shaft. Thats usually the problem.

WHS
there is some "special" grease from ford for this.

 

[Arisley]

Just buy a tube of CV joint grease from O'Reillys.

 

[blk99]

mine does it too....



whats wrong with high pressure equip grease or quality wheel bearing grease? honest question

 

[Arisley]

Probably nothing. The slip joints that have grease zerks on it get plain ole grease.

 

[Platinum250]

You may not get any play in the ujoints when you check if there is a load on the driveline. We are taught in school to roll the vehicle into the shop without touching the brakes and leave it in neutral. Block the wheels then use a dial indicator to check play. In the semi world anything with more then about 0.015" is considered unserviceable.

 

[JLDickmon]

WHS
there is some "special" grease from ford for this.

it's Lubri-plate.

 

[Rupp250]

May also be the transmission mount if it is really worn. Mine was shot.

 

[lincolnlocker]

my rclb only does this when its super cold outside... cant find anything other then the slip joint is sloppy.. figured that is all it was...

 

[RichieRich]

May also be the transmission mount if it is really worn. Mine was shot.

i need to check mine out, it doesnt make any sound, but you can feel alittle bump in the back on take off

 

[JLDickmon]

my rclb only does this when its super cold outside... cant find anything other then the slip joint is sloppy.. figured that is all it was...

usually..
mine's so garbage I'm gonna pull the driveshaft and get it rebuilt

 

[SledDogg]

Axel wrap , mibe does it on a hard take off only. Worn shocks make it worse.

 

[smokey97]

front spring or sway bar bushings

 

[MA-n-GA]

front spring or sway bar bushings

Thats what my noise was. The sway bar end link bushings were shot. Put new links on and noise went away.

 

[83f350]

mine does this too sort of, it's a clunk feeling when I get going and when i stop

 

[2000wa250]

Had this and 2 shifts later rear drive line dropped. Both u joints shot but no play before hand.

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