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Engine oil > < Removing and installing oil pressure switchF1

A1

Checking oil pressure switchF1 and oil pressure
   
Checking oil pressure switch -F1- and oil pressure
Special tools and workshop equipment required
t  Oil pressure tester -V.A.G 1342-
t  Adapter -V.A.G 1342/14-
t  Voltage tester -V.A.G 1527B-
t  Auxiliary measuring set -V.A.G 1594C-

Procedure
l  Oil level OK
l  Engine oil temperature approx. 80 °C.
–  Remove oil pressure switch -F1- → Chapter.
   
–  Connect oil pressure tester -V.A.G 1342- with adapter -V.A.G 1342/14- to bore for oil pressure switch.
–  Screw oil pressure switch -F1- into oil pressure tester.
–  Connect brown wire of oil pressure tester to earth „–“.
Checking oil pressure switch
–  Connect voltage tester -V.A.G 1527B- with adapter leads from auxiliary measuring set -V.A.G 1594C- to oil pressure switch and battery positive („+“).
l  LED should not light up.
  Note
Renew oil pressure switch if LED lights up at this stage.
–  Start engine.
  Note
Observe the oil pressure tester and LED while starting the engine, as the switching point of the oil pressure switch may already be exceeded when starting.
l  LED should light up at 0.3 ... 0.6 bar.
–  Renew oil pressure switch if LED does not light up.
Checking oil pressure
–  Start engine.
l  Oil pressure at 2000 rpm: at least 2.0 bar.
Assembling
Installation is carried out in the reverse order; note the following:
–  Install oil pressure switch -F1- → Chapter.
  N17-0122

Engine oil > < Removing and installing oil pressure switchF1