volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking oil pressure > < Checking oil pressure and oil pressure switch
Checking oil pressure switch
Checking oil pressure switch
–  Bring lock carrier into service position → General body repairs, exterior; Rep. gr.50.
–  Unscrew plug → Item from oil filter bracket. Collect leaking engine oil.
–  Seal inspection hole for oil pressure switch on oil pressure tester -V.A.G 1342- using sealing plug for oil filter bracket.
–  Screw oil pressure tester -V.A.G 1342- into oil filter bracket in place of plug using adapter -V.A.G 1342/14-.
  Note
Observe installation position of adapter: the conical connecting piece of adapter must be screwed into pressure hose of tester.
–  Connect brown wire of tester to earth (-).
   
–  Connect voltage tester -V.A.G 1527B- with cables from auxiliary measuring set -V.A.G 1594C- to battery positive (+) (connection in engine compartment -arrow-) and oil pressure switch.
l  LED must not light up.
If the LED lights up:
–  Renew oil pressure switch -F1- → Item.
If LED does not light up:
  Note
Observe tester and LED while starting, as switching point of oil pressure switch may already be exceeded when starting.
–  Start engine and run at idling speed.
l  At 0.7…1.1 bar the LED must light up; otherwise renew oil pressure switch -F1- → Item.
  N17-10108

Checking oil pressure > < Checking oil pressure and oil pressure switch