If Citroen C4's valve lid has given a leak, it is likely that it is in its gasket, which has, over time, been dislodged and has lost its tightness. To remove the calmness from the top and remove the four latches from the bottom. Then unplug the four latches from the bottom. Then disconnect the hose by pushing the plug on the yellow petal and pulling the bolts off the valve. Remove the bolts from the vacuum seal. Remove the valve cover from the valve. Next, remove the valve cover from the vacuum sensor. to remove the dirt and sand. To remove the temperature silicon at the seat of its contact with the engine and the cover. Install everything in reverse order. Remove the remaining silicone with petrol. If necessary, repeat the operation with the second cover. The approximate time is four hours.
- To eliminate the calmness, you must open the hood and remove the decorative cover of the engine by lifting the two screws from the top and unlatch the four latches from the bottom.
- Then disconnect the hoses from the valve covers by pressing the yellow petal and pulling the hose.
- Detach the clamp by pressing the finger on the bracket.
- Next, remove the ignition coil by removing the bolts.
- Unscrew the bolts on the valve cover.
- Unlock the cell from a vacuum sensor.
- Remove the valve cover and gasket, dry them and degreasing them.
- Further, they will sell them in compressed air to remove dirt and sand.
- Obmaize the construction of the temperature silicon at the place of contact with the engine and lid.
- Set everything in reverse order.
- To remove the remnants of the silicone with petrol.
- If necessary, retry the operation with the second cover.
- The estimated working hours are 4 hours.