Chevrolet Sonic Repair Manual: Engine Coolant Thermostat Replacement (LUV)

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Cooling / Thermostat / Engine Coolant Thermostat Replacement (LUV)

Removal Procedure

Drain the cooling system. Refer to Cooling System Draining and Filling.
Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.

Remove the engine coolant temperature sensor connector (1).
Disconnect the radiator outlet hose connector (2) from the engine coolant thermostat and reposition. Refer to Radiator Outlet Hose Connector Replacement- Engine Side.

Remove the water inlet pipe mounting fasteners (1).
Remove the water inlet seal (3) and discard.
Remove the thermostat (4).

Installation Procedure

Clean the sealing surface.

Install the engine thermostat (4) into the water inlet pipe (2) with a NEW seal (3).
Tighten the water inlet pipe mounting fasteners (1) to 9 Y (80 lb in)
.

Install the radiator outlet hose connector (2) to the engine coolant thermostat. Refer to Radiator Outlet Hose Connector Replacement- Engine Side.
Connect the engine coolant temperature sensor connector (1).
Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
Fill the cooling system. Refer to Cooling System Draining and Filling.
After repairs, inspect cooling system for leaks.

Engine Coolant Thermostat Removal

Caution: Refer to Engine Coolant Thermostat Housing Caution. Remove the 4 engine coolant thermostat bolts (3). Remove the engine coolant thermostat assembly ...

Engine Coolant Thermostat Replacement (LUW)

Removal Procedure Warning: Refer to Battery Disconnect Warning. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. D ...

Other materials:

Battery Tray Replacement
Battery Tray Replacement Callout Component Name Preliminary Procedures Remove the battery. Refer to Battery Replacement. Unclip the engine control module (ECM) bracket from the battery tray and set aside. Unclip the ...

Radiator Outlet Hose Replacement (LDE LUW)
Special Tools BO-38185 Hose Clamp Pliers For equivalent regional tools, Refer to Special Tools. Removal Procedure Drain the cooling system. Refer to Cooling System Draining and Filling. Remove the radiator outlet hose clamp (1) at the engine using BO-38185 ...

Fuel Tank Filler Door Replacement
Fuel Tank Filler Door Replacement Callout Component Name 1 Fuel Tank Filler Door Procedure Position the fuel tank filler door to the full open position. Using light outward sliding pressure on the filler door, ...

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