Boxster (986) F6-2.7L (2000)
1. Remove the rear wheels.
2. Detach cable between engine and rear-axle support at the rear-axle support. When loosening, hold with a second wrench (a/f 13).
3. Unscrew four fastening screws on both sides of the rear-axle support (a/f 15).
4. A shop-made tool is required in order to pull off the cap. Making the tool: Weld a 6.3 x 14 sheetmetal screw with hexagon head onto a 1000 mm
long iron rod, e.g. 0.8 mm round steel bar (see drawing).
a. Shift the loosened rear-axle support accordingly until the closure cap becomes accessible.
b. Screw puller into center of the closure cap and pull off the cap.
Installation
1. Fit new closure cap dry and press in as far as it will go.
2. Fit rear-axle support.