Astra L4-1.8L (2009)
12. Disconnect the thermostat wiring harness plug (7).
13. Disconnect the wiring harness plug for the coolant temperature sensor (4).
14. Remove the wiring harness bracket (1).
Remove the nut (2).
15. Remove the 2 coolant hoses (5).
Remove the 2 clamps.
16. Remove the coolant supply line for preheating of the throttle valve module (3).
Disconnect the quick-release fitting.
17. Remove the coolant pump manifold.
Remove the 4 bolts (6).
Installation Procedure
1. Clean the sealing surface.
