6.17.3 Lambda sensor – Replacement
Preconditions
☑ Engine is stopped and starting disabled.
☑ Power supply to engine electronics is switched off.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Torque wrench, 20–100 Nm
F30026582 1
Ratchet adapter
F30027340 1
Assembly compound (Molykote P 37)
50564 1
Lambda 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
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 139).
2. Unplug and remove male connector (1).
3. Remove sensor (2).
140 | Task Description | MS150094/02E 2015-05
TIM-ID: 0000025194 - 014
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