Checking Oil Pressure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Special Tools - Checking Oil Pressure

Courtesy of PORSCHE OF NORTH AMERICA, INC.

SPECIAL TOOLS - CHECKING OIL PRESSURE

Item

Designation

A⁽¹⁾

Oil-pressure tester

B⁽¹⁾

M14 x 1.5 adapter

⁽¹⁾	For explanation see Fig 1

Move convertible top to service position. On vehicles with hardtop, additionally remove the hardtop.
Remove upper engine compartment lid.
Unscrew plug (M14 x 1.5) on the cylinder head of cylinder bank 1 - 3. Use a 6 mm Allen key.
Screw oil pressure tester into the cylinder head in combination with the M 14 x 1.5/ M10 x 1 adapter.

Fig 2: Connecting Oil Pressure Tester
Courtesy of PORSCHE OF NORTH AMERICA, INC.

Engine removed for the sake of clarity (cylinder bank 1 - 3)
Warm up engine to operating temperature (80 - 90°C oil temperature). The oil temperature can be read out with the Porsche System Tester 2 under the "Actual values" menu.
The oil pressure should be approx. 1.5 bar at idle.
Have a second person increase the engine speed to 4000 rpm. Read off the oil pressure on the oil pressure tester. The oil pressure should be approx. 5.5 bar.
Remove oil pressure tester with adapter. Fit plug with a new sealing ring (A14 x 18). Tightening torque: 20 +/- 5 Nm (15 +/- 3.5 ft.lb).