* Low power steering fluid: Check the power steering fluid level and add more if necessary.
* Worn power steering pump: The power steering pump may be worn out and need to be replaced.
* Faulty power steering hose: A faulty power steering hose can leak fluid and cause a whining noise.
* Air in the power steering system: Air in the power steering system can cause a whining noise.
* Faulty power steering rack: The power steering rack may be faulty and need to be replaced.
Diagnosis:
To diagnose the cause of the power steering whine, a mechanic will need to inspect the power steering system and perform a few tests. The mechanic may need to:
* Check the power steering fluid level
* Inspect the power steering pump for wear
* Check the power steering hoses for leaks
* Test the power steering rack for leaks
* Look for air in the system
Repair:
The repair for a power steering whine will depend on the cause of the problem. If the problem is caused by low power steering fluid, the mechanic will simply add more fluid. If the problem is caused by a worn power steering pump, the mechanic will need to replace the pump. If the problem is caused by a faulty power steering hose, the mechanic will need to replace the hose. If the problem is caused by air in the power steering system, the mechanic will need to bleed the system. If the problem is caused by a faulty power steering rack, the mechanic will need to replace the rack.
Prevention:
There are a few things you can do to prevent power steering whine:
* Keep the power steering fluid level full
* Inspect the power steering system for leaks regularly
* Have the power steering system serviced according to the manufacturer's recommendations
