Is there such a thing as a clunk?

Is there such a thing as a clunk?

FYI the other “CLUNK” threads have been merged with this thread. We absolutely want to hear about member’s CLUNK issues and resolutions but we don’t need several threads on the topic! Thanks- BIRDMAN So by now, most have heard of this horrific and potentially life threatening issue called H.I. ……er, The Clunk.

What causes the rear suspension to clunk up and down?

It has splines inside of it that slip over the splines of the transfer case’s output shaft. This area needs grease because it’s constantly moving back and forth with even the slightest up down motion of the rear suspension……causing the the axle to go up and down and change angle a bit and so forth.

What does the floppy neck on a Ford truck mean?

– A few possibilties have been presented but what most scenarios and symptoms point to is the driveshaft slip yoke, it’s that long floppy neck that slips into the back of the transfer case. It has splines inside of it that slip over the splines of the transfer case’s output shaft.

It has splines inside of it that slip over the splines of the transfer case’s output shaft. This area needs grease because it’s constantly moving back and forth with even the slightest up down motion of the rear suspension……causing the the axle to go up and down and change angle a bit and so forth.

FYI the other “CLUNK” threads have been merged with this thread. We absolutely want to hear about member’s CLUNK issues and resolutions but we don’t need several threads on the topic! Thanks- BIRDMAN So by now, most have heard of this horrific and potentially life threatening issue called H.I. ……er, The Clunk.

– A few possibilties have been presented but what most scenarios and symptoms point to is the driveshaft slip yoke, it’s that long floppy neck that slips into the back of the transfer case. It has splines inside of it that slip over the splines of the transfer case’s output shaft.