One problem related to differential unit has been reported for the 1999 Chevrolet Silverado 1500. The most recently reported issues are listed below.
: the contact stated the transfer case fractured. Less than a year later, the transfer case fractured again. After the vehicle was repaired, the differential failed. The sales/service dealer was notified. The manufacturer was not alerted.
| Automatic Transmission problems | |
| Power Train problems | |
| Transmission Fluid Leaking problems | |
| Transfer Case problems | |
| Differential Unit problems |