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Testing oil pressure and oil pressure switchF1
Testing oil pressure and oil pressure switch -F1-
Special tools and workshop equipment required
t  Oil pressure tester, e.g. -V.A.G 1342-
t  Voltage tester, e. g. -V.A.G 1527 -
t  Measuring tool set, e.g. -V.A.G 1594 C -
Test sequence
   
–  Remove oil pressure switch -F1 - and screw into testing device.
–  Screw tester in the cylinder head instead of the oil pressure switch.
–  Connect brown cable of tester to earth (-).
–  Connect voltage tester to battery positive terminal (+) and to oil pressure switch.
If the LED lights up:
–  Replace oil pressure switch -F1-.
If the LED does not light up:
–  Start engine and slowly increase engine speed.
   Given an oil pressure of 0.03...0.07 MPa (0.3...0.7 bar) the LED must light up, otherwise replace the oil pressure switch.
–  Increase engine speed further.
   At an engine speed of 2000 rpm and an oil temperature of 80°C the oil pressure should be at least 0.2 MPa (2 bar).
At a higher engine speed the oil pressure must not be greater than 0.7 MPa (7 bar).
  S17-0115

Engine cooling > < Valve gear