Signs of a Power Steering Leak:
* Low Power Steering Fluid: Check the power steering fluid reservoir (usually a small, clear plastic tank near the engine). Low fluid levels are a clear indicator. Note the fluid's color and consistency – dark brown or burnt fluid is a bad sign.
* Whining or Groaning Noise: When turning the steering wheel, especially at low speeds, a whining or groaning noise often indicates low fluid pressure due to a leak.
* Stiff Steering: It will become increasingly difficult to turn the steering wheel as the fluid level drops.
* Fluid Leaks: Look under the car for any visible fluid leaks. Power steering fluid is typically reddish or brownish. Pay close attention to the area around the power steering pump, hoses, and rack and pinion. A telltale sign is a wet spot under the car.
* Steering Wheel Vibrations: In some cases, a severe leak can cause steering wheel vibrations.
Possible Causes of the Leak:
* Power Steering Pump: The pump itself can develop leaks. This is a more serious issue, often requiring replacement.
* Power Steering Hoses: Hoses can crack, deteriorate, or develop leaks due to age, wear, or damage. These are relatively easy to replace.
* Power Steering Rack and Pinion: Leaks can occur at the seals of the rack and pinion, the mechanism that converts steering wheel motion into wheel movement. This is a more involved repair.
* Power Steering Reservoir: The reservoir itself might have a crack or leak.
* Pressure Switch/Sensor: Leaks can sometimes originate from connections around the pressure switch.
Troubleshooting Steps:
1. Check the Fluid Level: The first step is always to check the power steering fluid level. Top it off *only* if it's low, but don't overfill.
2. Inspect the System Visually: Carefully inspect all components of the power steering system – the pump, hoses, reservoir, and rack and pinion – for any signs of leaks or damage. A flashlight can help.
3. Look for Wet Spots: Check the ground under the car for wet spots directly under the power steering system.
4. Listen for Noises: Pay attention to any unusual noises when turning the steering wheel.
What to Do Next:
* Minor Leak (Hose, Reservoir): If you identify a minor leak in a hose or the reservoir, replacement is usually straightforward, and parts are relatively inexpensive. You may be able to do this yourself, but if you're not comfortable working on your car, take it to a mechanic.
* Major Leak (Pump, Rack and Pinion): If the leak is from the pump or rack and pinion, these repairs are more complex and costly. A mechanic's expertise is usually necessary.
Important Note: Driving with a significant power steering leak is dangerous. It can lead to complete loss of power steering, making it extremely difficult to control the vehicle. Address this issue promptly. Do not continue to drive the vehicle if you suspect a major power steering leak.