Disassembling and assembling oil pump - engine removed

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: When working on the engine, absolute cleanliness is essential! An engine cover should be used on the engine assembly support. Lay removed engine parts on a clean base and cover them without fail. Even the smallest particles of dirt can block up oil bores.

Remove oil pump lid. See INSTALLING AND REMOVING OIL PUMP LID - ENGINE REMOVED .
Lay oil pump lid on a clean base.

Fig 1: Identifying Oil Pump Gears
Courtesy of PORSCHE OF NORTH AMERICA, INC.

Disassemble oil pump -see Fig 2-.

Oil pump components

Fig 2: Identifying Oil Pump Components

Courtesy of PORSCHE OF NORTH AMERICA, INC.

OIL PUMP REMOVAL/INSTALLATION

No.	Designation	Qty.	Removal	Installation
1	Oil pump cover	1	Do not damage the sealing surfaces	Clean sealing surfaces
2	Gearwheel	1	Check for wear (pitting, cracks, etc.)	Replace if necessary; coat with new engine oil
3	Drive gearwheel	1	Check for wear (pitting, cracks, etc.)	Replace if necessary; coat with new engine oil
4	Driver	1		Coat with new engine oil
5	Pistons	1		Coat with new engine oil
6	Spring	1
7	Plug with guide pin	1	Release with lid installed	Tightening torque 25 Nm (19 ftlb.)
8	Sealing ring	1		Replace

Assemble oil pump. To do this, clean the components and coat with fresh engine oil. Install pressure relief valve when fitted.
Tightening torque pressure relief valve 25 Nm (19 ftlb.)
Install oil pump lid. See INSTALLING AND REMOVING OIL PUMP LID - ENGINE REMOVED .