S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
Oil Pressure Regulator Valve: Service and Repair
Oil Check Valves and Spray Nozzle Valve Component Overview
‹› If irregular valve noise occurs repeatedly during short journeys and disappears after extended driving, the oil check valves must be replaced.
1
O-ring
‹› Replace
2
Oil check valve
‹› Removing and installing, refer to => [ Oil Check Valves and Spray Nozzle Valve ] See: Oil Spray Jet/Service and Repair
3
Ventilation pipe
4
10 Nm
‹› Insert using locking compound; locking compound.
5
10 Nm
6
Hose
‹› To pressure regulating valve for crankshaft housing ventilation
7
Cover
8
Gasket