In the event of irregular valve noise which disappears after a lengthy drive but repeatedly re-occurs when travelling short distances, the oil retention valves must be renewed.
l
Oil filter bracket must be removed.
1 -
O-ring - renew
2 -
O-ring - renew
3 -
Oil retention valve for cylinder head (left-side), 20 Nm
4 -
Banjo bolt, 15 Nm
5 -
Spray nozzle valve for piston cooling spray nozzles, 20 Nm
6 -
Oil pipe
7 -
O-ring - renew
8 -
Oil retention valve for cylinder head (right-side), 20 Nm