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Engine cooling > < Checking oil pressure switch

Golf Mk4

Checking oil pressure
Checking oil pressure
Test prerequisites
t  Engine oil temperature at least 80 °C (radiator fan must have run once)
Test procedure
–  Check oil pressure at different revolutions:
1500 rpm: 1.7 bar
2000 rpm: 3.0…5.5 bar
Over 2000 rpm: maximum 7.0 bar
If the specifications are not obtained
–  Rectify mechanical damage, e.g. bearing damage.
At higher engine speeds, the oil pressure must not exceed 7.0 bar.
If the specification is exceeded:
–  Check oil channels.
–  Renew oil pump, if necessary → Chapter.
   

Engine cooling > < Checking oil pressure switch