Technical Information 2025 ENU WSA0 1 · WSA0 - Replacing Cool

Service Technical Information 2025 ENU WSA0 1 WSA0 - Replacing Coolant Pump (Workshop Campaign) Model Line: Boxster (986) 911 (996) Model Year: As of 1997 up to 2005 Concerns: Coolant pump Cause: It is possible that a coolant pump installed on the affected vehicles does not meet the required specifi- cations. If this is the case, the pump wheel can break during operation and plastic parts of the impeller can enter the cooling system. This impairs cooling performance and displays a warning message on the instrument cluster. Action: Replace coolant pump and clean cooling system if necessary. Affected Only vehicles assigned to the campaign (see also PCSS Vehicle Information). Vehicles: Required parts and materials The part numbers of the required parts and materials for the respective vehicle can be seen in the assigned scope. For an overview of the campaign scopes, see "Warranty processing". Required tools Tools: • 9696 - Filling unit or VAS 531 011 - cooling system service unit • Pliers for spring band clamps, e.g. VAS 6856 - Pliers for spring band clamps or VAS 6891 - pliers for spring band clamps • Torque wrench, 6-50 Nm (5-37 ftlb.), e.g. V.A.G 1331A - torque spanner, 6-50 Nm (5-37 ftlb.) • Torque wrench, 2-10 Nm (2-8 ftlb.), e.g., V.A.G 1783 - Torque wrench, 2-10 Nm (2-8 ftlb.) Replacing coolant pump Work Procedure: 1 Drain the coolant. Draining and filling coolant (includes bleeding)' 2 Remove the coolant pump. Removing and installing coolant pump (engine installed)' 3 Check coolant pump for damage. AfterSales AprPage15,1 2025of 4