porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Cooling System Cleaned (Oil/Coolant Mixture)|Page 1930 > < Cooling System Cleaned (Oil/Coolant Mixture)|Page 1928
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13. Switch off engine.

Caution!  Danger of scalding. Allow the coolant to cool down before opening the coolant circuit. Coolant can be very hot. Wear suitable
protective equipment.
 

14. Carefully open the coolant expansion tank and reduce the existing residual pressure.

15. Unscrew the coolant drain plug on the engine and drain the radiator cleaning agent.

16. Pull the radiator supply and return lines off the engine. To do so, undo the screw-type hose clamps, carefully pull off the hoses and allow the

remaining water to run out.

Note! 
^

All hoses which have been removed during work on the cooling system must be replaced.

^

The Y-piece in the cooling system must be replaced.

17. Remove and replace all hoses that need to be replaced or have been disconnected from the flange.

18. Replace the Y-piece on the vehicle underbody.

Cooling System Cleaned (Oil/Coolant Mixture)|Page 1930 > < Cooling System Cleaned (Oil/Coolant Mixture)|Page 1928