Removing and installing oil filler neck: Removal

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.

Disconnect the battery and cover terminal or battery.
Remove the complete air cleaner assembly:
2.1 Unclip oil filler neck from upper part of the air cleaner.

2.2 Undo hexagon-head bolt M6 x 34.

Fig 1: Removing Air Cleaner Assembly Hexagon-Head Bolt M6 X 34
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2.3 Pull plug off the mass air flow sensor. To do this, push the button and simultaneously pull the plug off. Loosen hose clamp on the throttle body, unclip cable on the air cleaner housing and remove the air cleaner system.

The plug is shown turned to show the button more clearly.

Fig 2: Pulling Plug Off Mass Air Flow Sensor
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Pull plug off the throttle body. Undo 4 hexagon-head bolts (M6 x 40) and remove the throttle body.

Fig 3: Pulling Plug Off Throttle Body
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Release vent line. To release vent line, push the outer unlocking ring (arrows) and simultaneously pull out the line.

Fig 4: Identifying Vent Line Outer Unblocking Ring
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Remove intake distributor - center. Loosen inner hose clamps at intake distributor. Loosen fit by swivelling intake distributor.

Fig 5: Loosening Inner Hose Clamps
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Tighten inner hose clamps again. Loosen outer hose clamps. Swivel to loosen fit.

Fig 6: Loosening Outer Hose Clamps
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Loosen inner clamp hoses and remove intake distributor.
Remove generator from bracket. To do this, relieve drive belt, turn the tensioning roller (wrench size 24 mm) clockwise and simultaneously remove the belt from the tensioning roller. Remove belt from drive wheel of generator.

Fig 7: Turning Drive (Serpentine) Belt Tensioning Roller Clockwise
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8.1 Undo upper right-hand fastening screw on generator (1) by approx. 3 turns. A gentle tap on the fastening screw loosens the front fastening bushing in the generator arm. Unscrew fastening screw (2).

Fig 8: Locating Generator Fastening Screws
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8.2 Turn generator clockwise and remove from bracket.

Fig 9: Turning Generator Clockwise And Removing From Bracket (1 Of 2)
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Fig 10: Turning Generator Clockwise And Removing From Bracket (2 Of 2)
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8.3 Set down generator with connected lines.

Fig 11: Setting Down Generator With Connected Lines
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Undo two hexagon-head bolts (a/f 10 mm) on the oil filler neck. Pull oil filler neck out of the crankcase.

Fig 12: Identifying Two Hexagon-Head Bolts On Oil Filler Neck
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