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Checking oil pressure > < Removing and installing oil pressure switch for reduced oil pressure F378

A4 Mk3

Removing and installing valve for oil pressure controlN428
Removing and installing valve for oil pressure control -N428-
Special tools and workshop equipment required
   
t  Used oil collection and extraction unit -V.A.G 1782-
  W00-10211
Removing
Vehicles not equipped with continued coolant circulation pump -V51-:
–  Remove front noise insulation -1- → Rep. Gr.66.
  A10-11071
–  Remove bolt -1- and nut -3- and detach strut -2- (left-side) for lock carrier.
  A10-10844
–  Position used oil collection and extraction unit -V.A.G 1782- below engine.
–  Remove bolts -arrows- and tie up oil cooler to one side with coolant hoses -1- and -2- attached.
Vehicles with continued coolant circulation pump -V51-:
–  Remove continued coolant circulation pump -V51- → Chapter and oil cooler → Chapter.
  A17-10053
All vehicles (continued):
–  Unplug electrical connector -1-.
–  Remove bolt -3- and detach valve for oil pressure control -N428--item 4-.
Installing
l  Tightening torque → Fig..
Installation is carried out in the reverse order; note the following:
  Note
Fit new O-ring -2-.
–  Install continued coolant circulation pump -V51- → Chapter.
–  Install oil cooler → Chapter.
  A17-10208

Checking oil pressure > < Removing and installing oil pressure switch for reduced oil pressure F378