Four problems related to driveshaft have been reported for the 2000 GMC Sierra. The most recently reported issues are listed below.
The pump driveshaft fractured, causing immediate loss of power steering and power brakes. While on the internet, owner discovered that the same year/make and model was being recalled for this defect. Owner later contacted the manufacturer. However this vehicle was not included in the recall due to the VIN.
Vehicle experiencing ongoing problem with front end and drivetrain vibration. First incident commenced at 15-35 mph, and second incident started at 50 mph or more. Dealer notified, and unable to correct the problem.
Consumer states he has been to the dealerhsip on several occasions to complain about the transmission slipping, it was finally determined that the differential was put in wrong, and also the driveshaft was replaced to alleviate the vibration.
Driveshaft experiences thumping, the noise can be temporarily corrected when greasing the driveshaft yoke or spline, however the thumping does come back.