Dismantling of a head of the block of cylinders (Peugeot 405)

1. Unscrew the ignition distributor, remove the fuel pump and the ignition coil.

2. Remove the ignition distributor bracket.

3. Unscrew the spark plugs from the cylinder head.

4. Remove the thermostat and unscrew the thermostat housing.

5. Remove intake and exhaust manifolds.

6. Remove pulley from camshaft.

7. Unscrew the bolt of the plate holding the camshaft, remove it and the camshaft sealing ring.

8. Remove camshaft from cylinder head.

9. Compress each valve spring in turn with the appropriate tool and remove the lock cotters, and then loosen the pressure of the tool and remove the remaining valve elements.

10. Remove the valve stem seals from the valve guides, and then remove all valves. If there are signs of destruction at the ends of the valve stems, they should be removed with an emery stone.