Condition
| Causes
|
Groaning or growling noise in the steering pump
|
| • | Grounded power steering lines |
| • | A scored pressure plate |
| • | A low pressure relief reservoir cap |
| • | Restricted fluid lines (high back pressure) |
| • | Air ingestion in the return line |
| • | A damaged flow control valve |
| • | Loose pump mounting bolts |
|
Rattle noise in the steering pump
|
| • | Damaged pump rotor or vanes |
|
Swishing noise in the steering pump
| A damaged flow control valve
|
Whining noise in the steering
pump
|
| • | A scored pump shaft bearing |
| • | A scored pressure plate |
|
