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Power Steering Fluid

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
CONDITION  POSSIBLE CAUSES  CORRECTION 
LOW FLUID LEVEL WITH VISIBLE LEAK 1. Loose power steering hose fittings. 1. Tighten the fitting to its specified torque.
- 2. Damaged or missing fitting seal, gasket, or O-ring. 2. Replace as necessary.
3. Power steering pump or power steering gear leaking. 3. Repair or replace the leaking component as required.
AERATED FLUID* 1. Low fluid level.** 1. Fill power steering fluid reservoir to proper level.
2. Air leak between power steering fluid reservoir and pump. 2. Inspect for proper sealing. Replace the power steering pump (with reservoir).
3. Cracked power steering pump housing. 3. Replace the power steering pump.
RESERVOIR FLUID OVERFLOW AND FLUID IS MILKY IN COLOR 1. Water contamination. 1. Drain the power steering fluid from the system. Flush the system with fresh clean power steering fluid, drain, then refill to the proper level.
NOTE: * Aerated fluid will appear with bubbles or foam, somewhat like champagne, when viewed through the reservoir fill opening.
NOTE: ** Extremely cold temperatures may cause power steering fluid aeration, if the power steering fluid is low.