1. Remove high voltage wires from spark plugs.
2. Turn away nuts of fastening of a reception pipe of system of release to a final collector. Remove and discard gasket.
3. Turn away bolts of fastening of a final collector to a head of the block of cylinders. Remove manifold and discard gasket.
4. If necessary, remove the bolts (604) heat shield mounts (603), remove the screen.
5. If necessary, remove the studs (605) fastening of a reception pipe of system of release.
6. Installation is carried out in the reverse order.