Condition
| Causes
|
Groaning or Growling Noise in the Steering Pump
|
| • | Grounded power steering lines |
| • | A scored pressure plate, thrust plate or rotor |
| • | 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
|
|
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 or thrust plate |
|