Astra L4-1.8L (2009)
2. Install the coolant pump manifold.
*
Use a NEW gasket.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
Note: It is essential to comply with the specified tightening sequence - risk of fracture.
*
Screw in the 4 bolts evenly until the coolant pump manifold is in contact with the cylinder head.
Tighten the 4 bolts (1, 2, 3 and 4) to 8 Nm (71 lb in).
*
Install the coolant pipe between the thermostat housing and the oil filter adapter.
*
Use 2 new gaskets.
*
Push into the oil filter adapter.
Tighten the 2 bolts to 8 Nm (71 lb in).
3. Install the coolant supply line for the preheating of the throttle valve module.
Connect the quick release fitting.
4. Install the 3 coolant hoses to the thermostat housing.
Install the 3 clamps.
5. Install the wiring harness bracket to the thermostat housing.
Tighten the nut to 2.5 Nm (22 lb in).
6. Connect the coolant temperature sensor wiring harness plug.
7. Connect the thermostat wiring harness plug.
8. Install the battery holder.
Tighten the 3 bolts to 15 Nm (11 lb ft).
*
Clip on the coolant hose bracket.
*
Clip on the 2 wiring harnesses.
9. Install the battery.
*
Install the battery bracket.
Tighten the bolt to 5 Nm (44 lb in).
