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Audi Workshop Service and Repair Manuals

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Checking oil pressure and oil pressure switch > < Removing and installing oil filter bracket - engine code letters BDG, BDH

A4 Mk2

Renewing oil retention valves
Renewing oil retention valves
  Note
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
9 - O-ring - renew
  A17-0121

Checking oil pressure and oil pressure switch > < Removing and installing oil filter bracket - engine code letters BDG, BDH