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 .

-- Remove the nuts -arrows- and the bolt -2-.

Fig 2: Heat Shield For Vehicles With Particulate Filter

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-- Free up the wires and remove the heat shield -1- (example illustration).

Vehicles with a Particulate Filter:

Fig 3: Differential Pressure Sensor

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-- Disconnect the connector -3-.

-- Remove the bolt -1- and free up the Particulate Filter Differential Pressure Sensor -G1037-.

-- Free up the wiring harness.

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-- Remove the bolts -2- and remove the bracket.

Continuation for All Vehicles:

Fig 4: Identifying Engine Coolant Temperature Sensor

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-- Disconnect the connector -1-.

-- Place a cloth underneath to catch leaking coolant.

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

• Replace the O-rings after removing them.

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

-- If removed, install the tower brace. Refer to TOWER BRACE, REMOVING AND INSTALLING .

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

-- Check the coolant level. Refer to COOLANT LEVEL, CHECKING AND FILLING .

Tightening Specifications 

• Refer to OVERVIEW - CYLINDER HEAD