New Beetle L4-2.0L (BEV) (2004)
or the ignition is switched off.
Requirements
^
Engine oil level OK, checking; Refer to Oil, testing and inspection
^
Oil pressure warning light -K3- must light up for approximately 3 seconds when ignition is switched on
^
Engine oil temperature at least 80°C (coolant fan must have run once)
Note: Functional check and servicing the optical and acoustic oil pressure warning:
Refer to Wiring Diagrams
Work sequence
^
Remove Oil pressure switch -F1- and screw into tester.
^
Screw tester into oil filter bracket in place of oil pressure switch.
^
Connect brown wire of tester to Ground (-).
^
Connect diode test lamp VAG1527B using auxiliary cables from VAG1594A to battery positive (+) and oil pressure switch.
LED must not light up
If the LED lights up:
^
Replace 1.4 bar Oil pressure switch -F1-.
If the LED does not light up:
^
Start engine and increase revolutions slowly.
At 1.2...1.6 bar LED must light up
If the LED does not light up:
^
Replace oil pressure switch.
^
Increase engine speed further.
At 2000 rpm and an oil temperature of 80°C oil pressure should be between 2.7... 4.5 bar
At higher engine speeds the oil pressure must not exceed 7.0 bar
If the specifications are not attained:
^
Correct mechanical damage, e.g. bearing damage.
^
Check O-ring of sealing plug for damage.
^
Replace oil filter bracket with pressure relief valve or (for engine code BDC, BGD) oil pump with balancer shaft gear assembly.
If no failure was found:
^
Replace engine pump
If the specification is exceeded:
^
Check oil galleries.
^
If necessary, replace oil filter bracket with pressure relief valve.