Disassembling And Assembling Pump Unit: Troubleshooting
TROUBLESHOOTING CHART - REAR SPOILER HYDRAULIC PUMP
| Procedure | Work Instruction | Cause | ||
| 1 | Possible causes of fault | |||
| 2 | Drive motor for the pump does not turn | Connect battery voltage to the pump. | Pump faulty, replace. Refer to REMOVING PUMP . |
|
| 3 | Drive motor for the pump turns. Hydraulic cylinders do not move. | Pump faulty, replace. Refer toREMOVING PUMP . |
||
| 4 | One hydraulic cylinder does not extend | Visual inspection: -oil loss, visible fluid (Pentosin) on hydraulic cylinder. |
Hydraulic cylinder faulty, replace Refer to REMOVING HYDRAULIC CYLINDER |
|
| 5 | Hydraulic cylinders do not extend. | Visual inspection: -oil loss, visible fluid (Pentosin) on the pump. |
Pump faulty, replace Refer to REMOVING PUMP |
|
| 6 | Hydraulic cylinders extend automatically on parked vehicle. | Oil level too high. Refer to BLEEDING THE PUMP UNIT |
||