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Water Pump Pulley Replacement - LDE, LXV, 2H0, LUW and LFH > < Radiator Mounting Stud Repair

Astra J

Engine Oil Cooler Replacement (LDE, LXV, LUW, 2H0 and LFH)

1. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement .
2. Drain the cooling system. Refer to Cooling System Draining and Filling .

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3. Remove the 2 engine oil cooler outlet pipe bolts (1).
4. Remove the engine oil cooler outlet pipe (2) from the engine oil cooler housing and the engine coolant thermostat housing.
5. Remove the 2 engine oil cooler outlet pipe gaskets.

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6. Remove the 5 engine oil cooler housing bolts (2).
7. Remove the engine oil cooler housing (1).
8. Remove the 2 engine oil cooler housing gaskets.
9. Remove the engine oil cooler inlet pipe (3).
10. Remove the 2 engine oil cooler inlet pipe gaskets.

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11. Remove the 6 engine oil cooler bolts (2) and the engine oil cooler (1) from the engine oil cooler housing.
12. Remove the engine oil cooler gasket.

Installation Procedure

1. Clean the engine oil cooler to engine oil cooler housing sealing surfaces.
2. Install a NEW engine oil cooler gasket.

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3. Install the engine oil cooler (1) to the engine oil cooler housing.

Caution: Refer to Fastener Caution .
4. Install the 6 engine oil cooler bolts (2) and tighten to 8 N·m (71 lb in) .

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5. Install the 2 NEW engine oil cooler inlet pipe gaskets.
6. Install the engine oil cooler inlet pipe (3).
7. Install the 2 NEW engine oil cooler housing gaskets.
8. Install the engine oil cooler housing (1).
9. Install the 5 engine oil cooler housing bolts (2) and tighten to 25 N·m (19 lb ft) .

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10. Clean the engine oil cooler outlet pipe sealing surfaces.
11. Install the 2 NEW engine oil cooler outlet pipe gaskets.
12. Install the engine oil cooler outlet pipe (2) to the engine oil cooler housing and the engine coolant thermostat housing.
13. Install the 2 engine oil cooler outlet pipe bolts (1) and tighten to 8 N·m (71 lb in) .
14. Fill the cooling system. Refer to Cooling System Draining and Filling .
15. Install the exhaust manifold. Refer to Exhaust Manifold Replacement .

Water Pump Pulley Replacement - LDE, LXV, 2H0, LUW and LFH > < Radiator Mounting Stud Repair