REMOVING AND INSTALLING/REPLACING OIL PRESSURE SENSOR (N52, N52K, N51, N54, N53)
Necessary preliminary tasks:
WARNING: Scalding hazard! Only perform this task on an engine that has cooled down.
Installation location:
Oil filter housing, front left.
Engine oil may emerge when oil pressure sensor is replaced; have a cleaning cloth ready.
Unlock plug (1) and remove.
Release oil pressure sensor (2).
Tightening torque 12 61 1AZ.
Check engine oil level, top up engine oil if necessary.
Fig. 70: Pressing Lock
Fig. 71: Unclipping Pull Cable
Fig. 72: Locating Cross-Brace
Fig. 73: Locating Plug Connector And Oil Pressure Switch
REMOVING AND INSTALLING/REPLACING OIL PRESSURE SENSOR (N52K)
WARNING: Scalding hazard! Only perform this task on an engine that has cooled down.
Necessary preliminary tasks:
Installation location:
Oil filter housing, front left.
Engine oil may emerge when oil pressure sensor is replaced; have a cleaning cloth ready.
Fig. 74: Pressing Lock
Unlock plug (1) and remove.
Release oil pressure sensor (2).
Tightening torque, 12 61 1AZ.
Installation:
Check engine oil level, top up engine oil if necessary.
Fig. 75: Unclipping Pull Cable
Fig. 76: Locating Cross-Brace
Fig. 77: Locating Plug Connector And Oil Pressure Switch
REPLACING ENGINE OIL LEVEL SENSOR (N52, N52K, N51, N46, N54, N53)
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
Necessary preliminary tasks:
Unlock plug (1) and remove.
Unscrew nuts.
Tightening torque 12 61 2AZ. Remove level switch (2).
Installation:
Clean sealing face on oil sump.
Replace seal on level switch.
An excessively low torque value will result in oil leaks.
An excessively high torque value will result in damage to the oil level switch.
Top up engine oil.
Fig. 78: Identifying Level Switch And Plug Connector
Control Unit Box
REPLACING FAN FOR ELECTRONICS BOX
NOTE: Follow instructions for removing and installing electronic control units.
Necessary preliminary tasks:
Unclip plug (1).
Remove DDE control unit (3).
Remove relay plug-in (5) towards top.
Release screws (4).
Lift out device carrier (2).
Unfasten plug connection and disconnect.
Release air cowl (1).
Remove electric fan (2) with bracket.
Add final details to vehicle.
Read fault memory.
Additional Fault Notes For Troubleshooting
Necessary preliminary tasks:
Fig. 79: Identifying DIS