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Engine cooling > < Oil pump: removing and fitting

Leon Mk2

Oil pressure and oil pressure switch: verification
Oil pressure and oil pressure switch: verification
Consult the equivalence table for tools and equipment according to applicability between Seat / VW / Audi / Skoda → Chapter
   
Special tools and workshop equipment required
t  Checking oil pressure -V.A.G 1342-
t  Pressure tester -V.A.G 1527B-
t  Auxiliary cable kit -V.A.G 1594C-

  Note
Checking operation of and servicing visual and acoustic oil pressure gauge: → Current flow diagrams, Electrical fault finding and Fitting locations
Checking procedure
   
–  Remove the oil pressure switch -F1-, and screw it into the tester.
–  Screw tester into the cylinder head in place of the oil pressure switch.
–  Connect the brown wire of the tester to earth (-).
–  Connect the voltage tester -V.A.G 1527B- with the auxiliary cables from the measuring tool set -V.A.G 1594C- to positive of battery (+) and to the 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. The LED must light-up when an overpressure between 0.3 - 0.7 bar occurs, otherwise replace the oil pressure switch.
–  Increase engine speed further. At 2000 / min and an oil temperature of 80°C, the oil must have a min. pressure of 2.0 bar.
At higher engine speeds, the oil pressure must not exceed 7.0 bar.
  V17-0540

Engine cooling > < Oil pump: removing and fitting