A3 Quattro V6-3.2L (BUB) (2008)
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Connect oil pressure gauge V.A.G. 1342 with adapter V.A.G. 1342/14 to hole for oil pressure switch.
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Install oil pressure switch into Oil Pressure Gauge V.A.G. 1342.
Oil Pressure Switch, Checking
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Place brown wire of oil pressure gauge on Ground (GND).
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Connect voltage tester V.A.G. 1527 B using adapter cables from connector test kit V.A.G. 1594 C to oil pressure switch and battery plus
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LED must not light up.
If LED lights up:
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Replace Oil Pressure Switch.
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Install A/C compressor.
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Install Secondary Air Injection (AIR) pump.
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Install ribbed belt.
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Start engine.
Note: While starting engine, watch oil pressure tester and LED as oil pressure switch may open during start.
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At 1.2 to 1.6 bar pressure, the LED must light up.
If LED does not light up:
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Replace Oil Pressure Switch.
Oil Pressure, Checking
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Install A/C compressor.
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Install Secondary Air Injection (AIR) pump =, Secondary Air Injection Pump.
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Install ribbed belt.
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Start engine.
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Oil pressure at idle: min. 2.0 bar.
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Oil pressure at 2000 RPM: min. 3.0 bar.
Assembling
Assembly is in reverse order of removal, noting the following:
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Install A/C compressor.
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Install Secondary Air Injection (AIR) pump.
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Install ribbed belt.