13 62 531 Replacing coolant temperature sensor (N54)

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WARNING: Danger of scalding!

Only perform these tasks on an engine that has cooled down.

Recycling

Catch and dispose of escaping coolant.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks

Read out fault memory of DME control unit
Switch off ignition
Remove ACOUSTIC COVER

NOTE: Coolant temperature sensor is mounted on cylinder head at front.

Unlock plug (1) and remove.

Release temperature sensor (2).

Installation:

Tightening torque 13 62 1AZ .

Check COOLING SYSTEM for leaks.

Fig 1: Identifying Plug And Temperature Sensor

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NOTE: Check stored fault messages.

Now clear the fault memory.