TT Quattro Coupe V6-3.2L (BHE) (2005)
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Connect oil pressure tester V.A.G. 1342 with adapter V.A.G. 1342/14 to bore for oil pressure switch.
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Screw oil pressure switch -2- into oil pressure tester V.A.G. 1342.
Checking oil pressure switch
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Connect brown wire -1- of oil pressure tester to Ground (-)
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Connect voltage tester V.A.G. 1527 B with test leads from adapter set V.A.G. 1594 A to oil pressure switch and battery positive (+)
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LED must not light up
If the LED lights up:
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Replace oil pressure switch.
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Install power steering pump
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Install poly V-belt
Note:
Observe oil pressure tester and LED while starting. Switching point of oil pressure switch may already be exceeded when starting.
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Start engine.
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Test lamp must light up at 1.2... 1.6 bar
If the LED does not light up:
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Replace oil pressure switch.
Checking oil pressure
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Install power steering pump
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Install poly V-belt.
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Start engine.
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Minimum oil pressure at idling speed: 2.0 bar
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Minimum oil pressure at 2000 RPM: 3.0 bar
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Oil pressure at higher engine speeds: max. 7.0 bar
The pressure relief valve or oil pump is faulty if the specifications are not attained.
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Replace oil pump.
Assembling
Assembly is performed in the reverse order. Note the following:
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Install secondary air injection pump.
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Install power steering pump
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Install cross piece.