Chevrolet Sonic Repair Manual: Engine Oil Cooler Inlet Pipe Replacement (LUW)

Removal Procedure

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



3. Remove the engine oil cooler pipe bolts (1) and the engine oil cooler pipe (2).


4. Remove the engine oil cooler outlet pipe bolts (1) and the engine oil cooler outlet pipe bracket (2).


5. Remove the engine oil cooler assembly bolts (1) and remove the cooler (2).
6. Remove the engine oil cooler inlet pipe (4) and seals (3).

Installation Procedure

1. Replace the seals on the engine oil cooler outlet pipe and the engine oil cooler pipe.


2. Install the engine oil cooler inlet pipe (4) with NEW seals (3) to the engine oil cooler assembly.
3. Position the engine oil cooler assembly (2) to the engine block.

Caution:

Refer to Fastener Caution.

4. Install the engine oil cooler assembly bolts (1) and tighten to 25 Y (19 lb ft)

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5. Install the engine oil cooler outlet pipe mounting bolts (1) and the bracket (2) to the water pump housing and tighten to 8 Y (71 lb in)

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6. Install the engine oil cooler pipe (3) to the thermostat housing and tighten bolts (1) to 8 Y (71 lb in)

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7. Install the exhaust manifold with catalytic converter. Refer to Exhaust Manifold with Catalytic Converter Replacement.
8. Fill the cooling system. Refer to Cooling System Draining and Filling.
9. Start the engine and check for coolant leaks.

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