- Low power steering fluid: If the power steering fluid is low, it can cause the pump to cavitate and make a whirring noise. Check the power steering fluid level and top it up if necessary.
- Air in the power steering system: Air in the power steering system can also cause a whirring noise. This can happen if the system has been opened up for repairs or if there is a leak. You can try bleeding the power steering system to remove any air.
- Faulty power steering pump: If the power steering pump is faulty, it can also cause a whirring noise. This is more likely to happen if the pump is old or has been damaged. If you suspect that the power steering pump is faulty, you should have it inspected by a mechanic.
- Faulty power steering rack: If the power steering rack is faulty, it can also cause a whirring noise. This is more likely to happen if the rack is old or has been damaged. If you suspect that the power steering rack is faulty, you should have it inspected by a mechanic.
If you are unable to identify the source of the whirring noise yourself, you should take your car to a mechanic for diagnosis.
