my 2000 F150 4x4 with 24000 miles is experencing a clunking noise at take off. since it was still under warrenty,I took it back to the dealer.they replaced the rear driveshaft yoke & u joint. after a couple of days of driving it still clunked. so I took it back again,they supposedly replaced the same parts as before,and it still clunks.it almost sounds like the rear brakes are sticking.so I called the dealer back &talked to mechanic, he said it was a common problem with these long wheelbase trucks.is anyone else having similar problems. thanks Bill Ducharme

 

Bill,

They could well be sticking. The Disk is a combo disk drum hat type of rotor. The drum is for the parking brake. The shoes get stuck because the system lets in too much crud and corrodes the adjustor. I use my parking brake all the time but after a run in the mud I have to take it apart and cleat it out. Pull one off and have a look at it.

Regards

Jean Marc Chartier

 

Pull the driveshaft from the t-case. Grease up the slip yoke real well and reinstall. It should help for a short time (few days). If it does then that's your cause. Then if it is I wouldn't worry about it.

 

i agree, the slip-yoke needs to be greased. it worked for me, and i put up with the clunking for about 20,000 miles. simple and easy.

 

Do anybody happen to have photos of the slip-yoke?

 

Just follow the driveshaft up to where it slides into the transfer case or tranny. This is the slip yoke.