Oil Pressure And Oil Pressure Switch, Checking

WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Oil Pressure Gauge V.A.G 1342
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
"OK" display must light up in Driver Information Display (DIS).

-- Remove oil pressure switch. Refer to OIL PRESSURE SWITCH .

-- Connect V.A.G 1342 with V.A.G 1342/14 to oil pressure switch hole.

Fig 1: Identifying V.A.G 1342 With Adapter V.A.G 1342/14

Courtesy of AUDI OF AMERICA, LLC

-- Install the oil pressure switch in the V.A.G 1342.

-- Install oil dipstick guide tube and insert dipstick.

-- Install A/C compressor. Refer to REMOVAL AND INSTALLATION .

-- Install ribbed belt. Refer to RIBBED BELT .

Oil Pressure Switch, Checking

-- Connect the oil pressure gauge brown wire to Ground (GND).

-- Connect V.A.G 1527B using adapter cables from V.A.G 1594C to oil pressure switch and battery positive.

LED must not light up.

-- If the LED lights up with the engine at standstill, replace oil pressure switch.

-- Start engine.

NOTE:

Because the switch point for oil pressure switch can be exceeded upon starting, watch oil pressure gauge

The LED must illuminate at 1.2 to 1.6 bar.

-- If the LED does not light up, replace oil pressure switch.

Oil Pressure, Checking

-- Start engine.

Oil pressure at 1500 RPM: min. 1.7 bar.
Oil pressure at 2000 RPM: min. 2.5 bar.

Assembling

-- Install oil pressure switch. Refer to OIL PRESSURE SWITCH .