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Checking oil pressure > < Removing and installing oil pressure switchF1

A1

Checking oil pressure switchF1
Checking oil pressure switch -F1-
Special tools and workshop equipment required
   
t  Oil pressure tester -V.A.G 1342-
  W00-0516
t  Voltage tester -V.A.G 1527B-
  W00-0513
t  Auxiliary measuring set -V.A.G 1594C-
  W00-10008
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- to bore for oil pressure switch.
–  Screw oil pressure switch -F1--item 2- into threaded hole in oil pressure tester.
–  Connect brown wire -1- of oil pressure tester to earth (–).
–  Connect voltage tester -V.A.G 1527B- with adapter leads from auxiliary measuring set -V.A.G 1594C- to oil pressure switch -F1- and battery positive (+).
l  LED should not light up.
  Note
Renew oil pressure switch -F1- if LED lights up at this stage.
–  Start engine.
  Note
Observe oil pressure tester and LED while starting engine, as switching point of oil pressure switch may already be exceeded when starting.
l  LED should light up at 0.3 ... 0.6 bar.
–  Renew oil pressure switch -F1- if LED does not light up → Chapter.
Assembling
Installation is carried out in the reverse order; note the following:
–  Install oil pressure switch -F1- → Chapter.
  A17-0025

Checking oil pressure > < Removing and installing oil pressure switchF1