Passat Sedan V6-3.6L (BLV) (2008)
‹› While starting engine, watch the (V.A.G 1342) and LED as the switch point of the oil pressure switch may already be exceeded during start.
Start the engine and run at idle speed. The LED must light up at 0.7 to 1.1 bar pressure. Replace the oil pressure switch if it does not. Refer to -
item 2 -=> [ ] See: Oil Filter Housing/Service and Repair.
Oil Pressure, Checking:
Check oil pressure at different speeds:
‹› 1500 RPM: minimum 1.7 bar
‹› 2000 RPM: 3.0 to 5.5 bar
‹› above 2000 RPM: maximum 7.0 bar
If the specified values are not reached:
First check the control piston for the oil pressure relief valve in the oil pump for contamination.
To do so, first remove the plug from the cylinder block, then remove the plug from the oil pump.
‹› The control piston for the oil pressure relief valve is spring loaded. Therefore the highest care is required when removing the plug.
‹› The plug in the oil pump is tightened to 35 Nm.
Pull the control piston out of the oil pump and remove any contamination as necessary.
Check the screen inside the suction pipe - item 17 -=> [ Suction Pipe ] See: Service and Repair/Oil Pan, Pump and Filter Housing Overview for
Check the oil pipe - item 10 -=> [ Oil Pipe ] See: Service and Repair/Oil Pan, Pump and Filter Housing Overview on the bottom of the cylinder
block for leaks. Replace the seals - item 9 -=> [ Seal ] See: Service and Repair/Oil Pan, Pump and Filter Housing Overview if necessary.
Correct the mechanical damage, for example, bearing damage.
At higher engine speeds the oil pressure must not exceed 7.0 bar
If a malfunction is found despite insufficient oil pressure:
Replace the oil pump. Refer to => [ Oil Pump ] See: Service and Repair.
If the specification is exceeded:
Check the oil passages.
Replace the oil pump, if necessary. Refer to => [ Oil Pump ] See: Service and Repair.