Hissing From the Power Steering System/Foaming Fluid

Hissing from the power steering system/foaming fluid

Diagnostic Procedure:

1. Check the fluid level. If low, fill the reservoir to the proper level, and check for leaks.

2. Check the reservoir for leaks.

3. Check for crushed inlet hose or loose hose clamp allowing air into the suction side of the system.

4. Check the power steering pump shaft oil seal for leaks.

Also check for:

- Air in the P/S fluid
- Fluid contamination