Preliminary Work

WARNING: This page is about a different car, the 2014 Porsche Cayenne, 2013 Porsche Cayenne, 2012 Porsche Cayenne, and 2011 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Remove front apron.
> WM 631519 REMOVING AND INSTALLING FRONT APRON (EXCEPT CAYENNE, CAYENNE GTS, CAYENNE TURBO S, CAYENNE S, CAYENNE S E-HYBRID, CAYENNE TURBO, CAYENNE S DIESEL, CAYENNE (3.0)) .
From model year 2015:
Remove cooling air flaps.

> 193519 REMOVING AND INSTALLING COOLING AIR FLAPS