Cayenne S (9PA) V8-4.5L (2003)
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3. Carefully open the cap on the coolant expansion tank. Unscrew the cap in counterclockwise direction.
4. Remove underbody cover.
5. Disconnect the 4 fastening screws (M6 x 20) from the underside of the front spoiler.
6. Remove the sheetmetal brace under the radiator. To do this, loosen the 4 fastening screws.
7. 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.
8. Fit a new drain plug on the radiator and tighten it.
9. Install the sheetmetal brace under the radiator. Tighten the 4 fastening screws to 23 Nm (17 ft. lbs.).
