Test Description

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.

Fig 1: Power Steering System (Steps 1-5)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Power Steering System (Steps 6-14)

Courtesy of GENERAL MOTORS CORP.