One problem related to differential unit has been reported for the 1997 GMC Sierra 1500. The most recently reported issues are listed below.
GMC k 1500 suburban 4wd 1997, 2nd replacement of carrier assembly. The consumer has had several problems with the vehicle to include a total front differential teardown and replacement of the front left axle and it's components.
| Automatic Transmission problems | |
| Differential Unit problems |