S8 Quattro Sedan V10-5.2L (BSM) (2009)
Engine Oil Pressure: Testing and Inspection
Oil Pressure and Oil Pressure Switch, Checking
Special tools, testers and auxiliary items required
‹› Oil Pressure Gauge (V.A.G 1342) and Adapter (V.A.G 1342/14)
‹› Voltage Tester (V.A.G 1527B)
‹› Connector Test Set (V.A.G 1594C)
Procedure
‹› Oil level OK
‹› Engine oil temperature approximately 80° C (176° F).
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Remove oil pressure switch (F1). Refer to => [ Oil Pressure Switch ] See: Oil Pressure Sender/Service and Repair.
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Install the (V.A.G 1342) and (V.A.G 1342/14) into the opening for the oil pressure switch.
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Install the oil pressure switch - 2 - into the (V.A.G 1342).
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Place the brown wire from the oil pressure gauge on the ground (negative).
Oil Pressure Switch, Checking
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Connect (V.A.G 1527B) using adapter cable from (V.A.G 1594C) to oil pressure switch and battery plus (positive).
‹› LED must not light up.
If LED lights up:
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Replace Oil Pressure Switch.
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Start engine.
‹› While starting engine, watch pressure tester and LED as oil pressure switch may open during start.
‹› The LED must illuminate at 1.2 to 1.6 bar.
If LED does not light up:
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Replace Oil Pressure Switch.
Oil Pressure, Checking