Jeep Driveshaft Noise Hitting Floor

All that noise was from a broken crank shaft.

Jeep driveshaft noise hitting floor.

I had a loud sound this early summer that sounded like the drive shaft was hitting the bottom of the floor board and it quit when the motor locked up. The drive shaft hit the ground and the other half of the differential joint caught on fire. The contact stated that the front drive shaft at the transmission failed. It drives fine as long as the the drive shaft and the rear diff are in sync if that makes sense.

The source of the problem is a result of a ring pinion mesh or minor torsional vibration problem. Noise not affected by temperature cause. There were no injuries and the police were not called. Filling the drive shaft with foam simply deadens the noise.

The clunk only happens when there is an abrupt change in speed from the transmission to the shaft and down to the diff. The contact owns a 2007 jeep grand cherokee. Worn clutches or spider gears. Posi chatter due to improper lubrication.

Banging crunching or popping while making a turn. They are most commonly found on rear wheel drive vehicles and connect the rear of the transmission to the driveshaft. The manufacturer was contacted and sent an investigator to further assess the. October 2015 edited october 2015 in jeep i have a 2006 grand and alot of times when i hit a large bump or pot hole i get the noise that it sounds like gears grinding and a piece of metal is hitting the floor board in the center of the car.

Even though i do most of the repairs on my jeep i took it to a local service shop. There is in fact a foam fill the drive line trick referenced in a gm factory service bulletin. Consumer was traveling about 70mph and heard loud noise and back in lifted up. Front had dropped and driveshaft was defective.

As the output shaft of the transmission rotates it spins the driveshaft which then turns the differential ring gear to rotate the wheels. After driving to ny skiing last weekend the noise doubled and i could not drive faster than 40 mph due to the vibration. Had it towed to dealership and mechanic told him that crankshaft needed to be replaced. They confirmed that it was the rear drive shaft and recommended a 375 ebay replacement driveshaft over the 1200 dealer replacement.

So my 1994 jeep cherokee sport started make a weird clicking sound so i check for the problem maybe ur problem too bad driveshaft sound jeep maybe you probl. Consumer states drive shaft bounced off of street and hit floor board ripping hole in floor next to driver s foot. Badly worn or broken spider gears. Example would be if i accelerate hard and then let off the gas or when i modulate the throttle at lower speeds in stop and go traffic.

Banging or clunking while making a turn backing up or rapid deceleration like on a freeway off ramp noise gets worse in warmer weather cause.