Cayenne S (9PA) V8-4.5L (2003)
6. Remove underbody cover.
7. Release the front spoiler on the underside.
8. Detach lock mount.
9. Remove the sheetmetal brace under the radiator. To do this, loosen the 4 fastening screws.
10. Drain cooling system. Remove the drain plug from the radiator, drain the coolant into a container and dispose of it according to the applicable
national laws if no longer required.
11. Fit a new drain plug on the radiator and tighten it.