Cayenne S (9PA) V8-4.5L (2003)
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The engine cooling system is filled at the factory with a coolant that does not need to be changed.
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The coolant need only be replaced when contaminated, e.g. oil mixed with coolant.
1. Remove the front engine guard.
2. Remove underbody cover.
3. Remove the sheetmetal brace under the radiator. To do this, loosen the 4 fastening screws.
4. 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. Then close the drain outlet with a new sealing plug.
5. Install the sheetmetal brace under the radiator. Tighten the 4 fastening screws to 23 Nm (17 ft. lbs.).
6. Remove the radiator frame.
7. Pull the cover of the throttle body vertically upwards.
8. Separate the electrical connection from the throttle adjuster. To do this, press on the plug at the top and bottom and, at the same time, pull off.
Unclip the cable from the sheetmetal holder.