Porsche 996 TT Repair Manual page 595

2− ).
• Pull off vacuum hose to the control valve.
17. Disconnect oxygen sensor plug on the rear closing panel.
18. Disconnect oxygen sensor plug.
19. Undo the three fastening screws of the belt pulley on the hydraulic system pump by approx. 1/2 turn.
20. Relieve drive belt. To do this turn the tensioning roller clockwise, hold and simultaneously
remove the drive belt from the generator.
21. In order to reduce the pressure in the cooling system, carefully open the coolant expansion tank. Undo
coolant drain plugs on left and right and collect coolant in a suitable container, so that it can be re−used.
22. Equip drain plugs with new sealing rings and then fasten.
Tightening torque: 10 to 15 Nm (7.5 to 11 ftlb.).
Note
Removal
einordnung
532