PRE-RELEASE
Oil pressure, checking
| Oil pressure, checking |
| Check |
| Important | ||
|
When checking at full load the handbrake must be applied and the brake pedal depressed. Due to the risk of overheating, checking at full load must not take longer than 5 seconds. Add a pause for cooling down. The oil level in the gearbox must be correct. |
||
| 1. |
Raise the car.
|
|
| 2. |
Remove the upper plug (A). The front torque rod has been removed in the figure in order to better illustrate the connections.
|
|||||||||
Warning
| 3. |
Fit
87 92 301 Adapter, oil pressure kit
(A).
|
|
| 4. |
Fit
87 91 600 Pressure measuring equipment
(B) at connection (A).
|
|
| 5. |
Lower the car to the floor.
|
|
| 6. |
Connect TECH 2 and check the oil temperature.
|
||||||||||
| 7. |
Check the oil pressure in selector lever position "D".
|
|
| • |
Start the engine.
|
| • |
Change the gear selector to position "D".
|
| • |
Check the oil pressure at idling speed and under full load - air conditioning and illumination disconnected.
- Desired value idling speed (foot brake not applied): 3.7 - 4.1 bar. - Desired value full load: 13.5 - 14.6 bar. |
| • |
Switch off the engine after the check.
|
| 8. |
Raise the car.
|
|
| 9. |
Remove the oil pressure gauge (B).
|
|
| 10. |
Remove the connection (A).
|
|
| 11. |
Fit the upper plug (A) with a new sealing ring
|
|
| • |
Tighten the plug 10 Nm.
|
| 12. |
Remove the lower plug (B).
|
|
| 13. |
Fit
87 92 301 Adapter, oil pressure kit
(A).
|
|
| 14. |
Fit
87 91 600 Pressure measuring equipment
(B) at connection (A).
|
|
| 15. |
Lower the car to the floor.
|
|
| 16. |
Connect TECH 2 and check the oil temperature.
|
||||||||||
| 17. |
Check the oil pressure in selector lever position "R".
|
|
| • |
Start the engine.
|
| • |
Change the gear selector to position "R".
|
| • |
Check the oil pressure at idling speed and under full load - air conditioning and illumination disconnected.
- Desired value idling speed: 5.7 - 6.6 bar. - Desired value full load: 19.0 - 21.3 bar. |
| • |
Switch off the engine after the check.
|
| 18. |
Raise the car.
|
|
| 19. |
Remove the oil pressure gauge (B).
|
|
| 20. |
Remove the connection (A).
|
|
| 21. |
Fit the lower plug (B) with a new sealing ring
|
|
| • |
Tighten the plug 10 Nm.
|
| 22. |
Lower the car to the floor.
|
|
| 23. |
Remove TECH 2.
|
|
