Audi Workshop Service and Repair Manuals

Removing and installing oil pressure switch -F22-/valve for oil pressure control -N428- Removing   Note Fit all cable ties in the original positions when installing. –  Drain oil filter housing → Booklet808. –  Remove front coolant pipes → Chapter.

–  Move electrical connector -1- clear and cut open cable ties (if fitted) -arrows-. –  Remove electrical connectors -2- and -3- from bracket.

–  Unplug electrical connector -1- on oil pressure switch -2-.

–  Unplug electrical connector -2-. –  Unscrew bolt -1- and move continued coolant circulation pump -V51- to one side (coolant hoses -3- remain connected).

–  Unplug electrical connector -1-. –  Unscrew bolts -arrows- and move solenoid valve for coolant circuit -N492- to one side (coolant hoses -2- remain connected).

–  Unscrew bolts -arrows- and detach bracket -1-.

Oil pressure switch -F22-:   Note Place a cloth underneath to catch escaping engine oil. –  Unplug electrical connector -arrow-. –  Unscrew oil pressure switch -F22-.

Valve for oil pressure control -N428-:   Note Place a cloth underneath to catch escaping engine oil. –  Unplug electrical connector -2-. –  Remove bolt -1- and detach valve for oil pressure control -N428-. Installing Installation is carried out in the reverse order; note the following: Tightening torques l  → Fig. „„Oil pressure switch -F22-““ l  → Fig. „„Valve for oil pressure control -N428-““   Note Renew seal/O-ring. –  Install continued coolant circuit pump -V51- and solenoid valve for coolant circuit -N492- → Chapter. –  Install coolant pipe (left-side) → Chapter. –  Install coolant pipes (front) → Chapter.