Removing
1. Disconnect the negative battery cable.
2. Disconnect the ventilation hose from the head cover.
3. Disconnect wires from spark plugs.
4. Remove the wiring harness retainer bolt and slide the wires to the side.
5. Remove the spark plug socket nuts and remove the head cover along with the gasket.
Installation
1. Thoroughly clean the surfaces of the cover and cylinder head.
2. Apply sealant to mating surfaces (marked with hatching). Install the sealing rings of the spark plug sockets, the marks on the rings should be directed towards the timing belt.
3. Install a new cover gasket, install the cover and spark plug socket nuts.
4. Tighten the nuts to the required tightening torque.
5. Install the remaining parts, start the engine and check for leaks.