Engine Coolant Temperature Sensor -G62-, REMOVING AND INSTALLING

Procedure

The engine is cold.

-- Reduce the residual pressure in the cooling system, briefly open the coolant expansion tank cap -1- by releasing the retainer in direction of -arrow-.

Fig 1: Coolant Expansion Tank

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-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Free up the wires on the heat shield -1-.

Fig 2: Heat Shield For Vehicles With Particulate Filter

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-- Remove the nuts -arrows- and bolts -2- and remove the heat shield.

-- Disconnect the connector -1-.

Fig 3: Identifying Engine Coolant Temperature Sensor

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-- Place a cloth underneath to catch leaking coolant.

-- Remove the bolts -2- and remove the Engine Coolant Temperature Sensor -G62- -3-.

Allocation of the O-ring/centering ring. Refer to Figure.

-- To prevent coolant loss, install the new coolant temperature sensor immediately.

-- Install the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Check the coolant level. Refer to Coolant Level, Checking .

Tightening Specifications

Refer to OVERVIEW - CYLINDER HEAD