Peugeot 308: Removing - refitting : Engine coolant temperature sensor

ESSENTIAL : Ensure that the precautions relating to safety and cleanliness are adhered to .

ESSENTIAL : All personnel carrying out work on a vehicle fitted with traction batteries must have received specific electric vehicle training and be authorised to work on these vehicles (observe the regulations in force in the respective country).

1. Parts which must always be replaced

2. Preliminary operations

Put the vehicle on a lift.

CAUTION : Perform the operations that are required prior to a disconnection of the ancillaries battery .

CAUTION : In the case of a vehicle with 2 batteries, carry out the specific operations for disconnecting and reconnecting the ancillaries batteries.

Disconnect the ancillaries battery or batteries (depending on equipment).

Remove the protective plate from under the engine.

Drain the engine cooling circuit .

Remove :

• The engine cover
• The air inlet neck
• The air union

3. Removing

CAUTION : Do not use cutting tools or hammers in any operation to remove-refit components. If a component is dropped on a hard surface or suffers a serious impact, it should be replaced.

Disconnect the connector (at "a").

Remove :

• The clip (2)
• Engine coolant temperature sensor (1)
• The seal

Plug the coolant outlet housing ; Using cleanliness plugs.

4. Refitting

CAUTION : Replace the seal (3) with a new seal that you have already lubricated.

CAUTION : Check the positioning of the gasket (3) on the engine coolant temperature sensor (1).

Remove the cleanliness plugs.

Refit :

• Engine coolant temperature sensor (1) (With a new seal (3) )
• The clip (2)

Reconnect the connector (at "a").

5. Additional operations

Refit :

• The air union
• The air inlet neck
• The engine cover

Fill and bleed the engine cooling circuit .

CAUTION : Perform the operations that are required after reconnecting the ancillaries battery .

CAUTION : In the case of a vehicle with 2 batteries, carry out the specific operations for disconnecting and reconnecting the ancillaries batteries.

Reconnect the ancillaries battery or batteries (depending on equipment).

Refit :

• The under-engine protector
• The vehicle to its wheels

6. Checks

Start the engine.

Check that there are no leaks.

Removing - refitting : Electric drive train cooling circuit solenoid valvesRemoving - refitting : Engine cooling radiator