Lambda Sensor – Replacement - MTU 12V4000T94 Operating Instructions Manual

7.23.6 Lambda sensor – Replacement
Preconditions
☑Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Torque wrench, 20-100 Nm
Ratchet adapter
Assembly compound (Molykote P 37)
Lambda sensor
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
Ceramic cell breakage due to shock or impact.
Risk of damage to components!
• Avoid shocks and impacts.
• Exercise extreme care when handling sensors.
NOTICE
High voltage.
Risk of damage to components!
• Switch off ignition before replacing components.
Removing Lambda sensor
1. Observe the following general information:
• Layout and position of sensor
(→ Page 23).
2. Unplug and remove male connector (1).
3. Remove sensor (2).
168 | Task Description | MS150096/03E 2015-04
Part No.
F30026582
F30027340
50564
(→ Spare Parts Catalog)
Qty.
1
1
1
1