Remove an opening plate under a stopper.

Disconnect a negative wire of the rechargeable battery.

Merge cooling liquid of the engine.

Take off a driving belt.

Remove a windscreen washer tank.

Remove the pump of the hydraulic booster of steering.

NOTE Remove the pump of the hydraulic booster of steering, without disconnecting hoses and tubes.

Having weakened collars, disconnect bypass and lower thermostat hoses.

Remove the thermostat case.

Establish as it should be, the return to removal.

Again fill in cooling liquid of the engine.

Be convinced of lack of leak of cooling liquid.