8.15.3 NOx sensor – Replacement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Torque wrench, 8–40 Nm
F30043446
1
Torque wrench, 20–100 Nm
F30026582
1
Ratchet adapter
F30027340
1
Assembly compound (Molykote P 37)
50564
1
NOx sensor
(→ Spare Parts Catalog)
1
WARNING
Hot components/surfaces.
Risk of burns!
• Allow the engine to cool down to below 50 °C before beginning work.
• Wear suitable protective equipment/thermal gloves.
• Avoid unprotected contact with hot surfaces.
NOTICE
High voltage.
Risk of damage to components!
• Switch off ignition before replacing components.
NOTICE
Ceramic cell breakage due to shock or impact.
Risk of damage to components!
• Avoid shocks and impacts.
• Exercise extreme care when handling sensors.
Removing NOx sensor
Note:
Observe arrangement and position of sensor
(→ Page 20).
1.
Disconnect and remove male connector (2)
from control unit (1).
2.
Unscrew control unit (1) at the eyelets.
3.
Remove sensor (3).
138 | Task Description | MS150100/04E 2015-09
TIM-ID: 0000025205 - 015
