Table 1 shows one common steering related problems of the 2003 GMC Sierra 3500.
| Problem Category | Number of Problems |
|---|---|
| Power Steering Pump problems |
Power steering and/or braking may become inoperative or drasticly reduced performance when used at same time because power steering pump is also power brake pump and system does not have enough pressure or flow capacity to supply both steering and braking together. This could result in loss of control of vechicle.