11 78 530 Replacing left control sensor (N63 O1)
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Special tools required:
- 11 7 020 .
WARNING:
Risk of burning.
Only perform repair work after engine has cooled down.
Necessary preliminary tasks:
- Check function of DME.
- Switch off ignition.
- Remove ENGINE COVER .
- Remove left INTAKE SILENCER HOUSING .
Release control sensor with special tool 11 7 020 .
Installation note:
The threads of new oxygen control/monitoring sensors are already coated with NEVER-SEEZ COMPOUND .
If a lambda control/monitoring sensor is to be reused, apply a thin and even coating of Never-Seez Compound to the thread only.
The part of the lambda control/monitoring sensor which projects into the exhaust branch (sensor ceramics) must not be cleaned and not coated with lubricant.
Secure control sensor with special tool 11 7 020 and a torque wrench.
Tightening torque 11 78 1AZ .