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Engine cooling > < Removing and installing oil pressure switch

Leon Mk1

Oil pressure and oil pressure switch: checking
   
Oil pressure and oil pressure switch: checking
Special tools and workshop equipment required
t  Oil pressure tester -V.A.G 1342-
t  Pressure tester -V.A.G 1527 B-
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 sequence
  Caution
The alternator must be covered with a cloth in order to avoid damage due to spilled engine oil.
   
–  Remove the plug -1-.
–  Unscrew oil pressure switch -F1--2- from cylinder head.
  N17-10299
–  Screw oil pressure switch -F1- into tester.
–  Screw tester into cylinder head in place of oil pressure switch.
–  Connect brown wire of tester to earth (-).
–  Connect voltage tester -V.A.G 1527B- to battery positive (+) and oil pressure switch using cables from auxiliary measuring set -V.A.G 1594C-.
–  Start engine and increase revolutions slowly. At 0.3…0.6 bar the LED must light up, otherwise renew oil pressure switch.
Tightening torque: oil pressure switch: 20 Nm
–  Increase engine speed further. At 2,000 rpm and an oil temperature of 80°C the oil pressure should be at least 2.0 bar.
At higher engine speeds, the oil pressure must not exceed 7.0 bar.
  V17-0540

Engine cooling > < Removing and installing oil pressure switch