Captiva

Power Steering System Test

Special Tools

J-44721 Power Steering Analyser

For equivalent regional tools, refer to Special Tools .

1. Inspect the power steering fluid level and the power steering pump belt tension. Refer to Checking and Adding Power Steering Fluid .
2. Disconnect the high pressure line at the pump. Use a small container to catch any fluid.
3. Connect the hose of the J-44721 analyser to the power steering pressure hose from the power steering pump.
4. Apply the handbrake.
5. Place the gear selector lever in PARK if the vehicle is equipped with the automatic transaxle or NEUTRAL if the vehicle is equipped with the manual transaxle.
6. Open the gauge valve fully.
7. Start the engine and let it idle.
8. Turn the steering wheel from lock to lock several times to warm the fluid to operating temperature.
9. Increase the engine speed to 1,500 RPM.

Caution: Do not leave the valve fully closed for more than 5 seconds, or the pump could be damaged internally.

10. Close the gauge valve fully, and read the pressure.

Specification
The pump pressure with the valve closed should be about 8,500 kPa (1,233 psi).

11. Immediately open the gauge valve fully.
12. Turn the steering wheel all the way to the left and the right. If the pressure is within the specified limits, the problem is not in the pump.