Chevrolet Sonic Repair Manual: Water Inlet Replacement (LUW)

Removal Procedure

1. Drain the engine coolant system. Refer to Cooling System Draining and Filling.



2. Disconnect the engine coolant temperature sensor connector (1).
3. Remove the radiator outlet hose connector clip (2) and the radiator outlet hose (3).


4. Remove the water inlet bolts (1) and discard the water inlet seal (3).
5. Remove the water inlet (4) and the engine coolant thermostat (2) from the engine.

Installation Procedure

1. Clean the sealing surfaces.


2. Install the water inlet (4) and a NEW water inlet seal (3).

Caution:

Refer to Fastener Caution.

3. Install the water inlet bolts (1) and tighten to 8 Y (71 lb in)

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4. Install the radiator outlet hose (3) and retainer clip (2).
5. Connect the engine coolant temperature connector (1).
6. Fill the engine coolant system. Refer to Cooling System Draining and Filling.
7. Start the engine and check for coolant leaks.