Astra J
Engine Coolant Thermostat Housing Replacement (1.4L LUH and LUJ)Removal Procedure
|
| 1. | Drain the cooling system. Refer to Cooling System Draining and Filling . |
| 2. | Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement . |
| 3. | Disconnect the positive crankcase ventilation pipe from the turbocharger. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement . |
| 4. | Remove the radiator outlet hose from the engine coolant thermostat housing. Refer to Radiator Outlet Hose Replacement . |
| 5. | Disconnect the engine coolant temperature sensor wiring harness connector. |
| 6. | Remove the engine oil cooler outlet hose clamp (2). |
| 7. | Remove the engine oil cooler outlet hose (3) from the engine coolant thermostat housing. |
| 8. | Remove the 3 engine coolant thermostat housing bolts (4). |
| 9. | Remove the engine coolant thermostat housing (5) and the seal ring (1). |
Installation Procedure
| 1. | Clean the sealing surfaces. |
| 2. | Install the engine coolant thermostat housing (5) along with a NEW seal ring (1). |
Caution: Refer to Fastener Caution . |
| 3. | Install the 3 engine coolant thermostat housing bolts (4) and tighten to 8 N·m(71 lb in) . |
| 4. | Install the engine oil cooler outlet hose (3) to the engine coolant thermostat housing. |
| 5. | Install the engine oil cooler outlet hose clamp (2). |
| 6. | Connect the engine coolant temperature sensor wiring harness connector. |
| 7. | Install the radiator outlet hose to the engine coolant thermostat housing. Refer to Radiator Outlet Hose Replacement . |
| 8. | Connect the positive crankcase ventilation pipe to the turbocharger. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement . |
| 9. | Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement . |
| 10. | Fill the cooling system. Refer to Cooling System Draining and Filling . |
