Test Description

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. 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.

Fig 1: Identifying Rack and Pinion System

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Fig 2: Power Steering System Test Procedure (1 Of 3)

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Fig 3: Power Steering System Test Procedure (2 Of 3)

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Fig 4: Power Steering System Test Procedure (3 Of 3)

Courtesy of GENERAL MOTORS CORP.