Test Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
3. This step tests the system for restrictions.
5. This step tests the following components for the following conditions:
- The pump for internal leaks
- The power steering pipes for kinks
6. This step tests the ability of the pump to regulate flow at maximum pressure.
8. This step tests the ability of the pump to regulate flow under normal operating conditions.
10. This step tests the internal components of the pump and the gear.
CAUTION:
Do not hold the steering wheel in the full turn position longer than 5 seconds, as damage to the steering pump may result.